Best Water Bottles for Triathlons: Stay Hydrated During Your Race

Triathlons are one of the most challenging endurance sports, and staying hydrated is a vital component of completing the race. With the pressure of completing the race in mind, choosing the best water bottle for triathlons is critical. The ideal water bottle should be lightweight, durable, and easy to carry, allowing you to stay hydrated throughout the race.

One crucial factor to consider when choosing a water bottle for triathlons is the type of bottle. Some popular options include handheld bottles, hydration belts, and hydration vests. Handheld bottles are perfect for short races, while hydration belts and vests are ideal for longer races. They offer more storage space for energy gels and other essentials.

When selecting a water bottle for triathlons, you should also consider the material. Plastic bottles are lightweight and durable, while stainless steel bottles are more robust and can keep your water cool for longer. Another option is collapsible bottles, which are perfect for saving space when not in use.

In this article, we have researched and tested various water bottles to identify the best options for triathlons. We have considered factors such as weight, durability, storage space, and material to help you make an informed decision. With the right water bottle, you can stay hydrated and focused on completing the race.

Best Water Bottles for Triathlons

If you’re training for a triathlon, you know that staying hydrated is crucial. That’s why having the right water bottle can make all the difference. With so many options on the market, it can be overwhelming to choose the best one for your needs. That’s why we’ve put together a list of the best water bottles for triathlons. Whether you’re looking for a bottle that’s easy to carry, keeps your water cool, or fits in your bike’s water bottle cage, we’ve got you covered. Check out our top picks below.

CamelBak Podium Chill Insulated Bike Water Bottle

If you’re looking for a reliable water bottle for your next triathlon, the CamelBak Podium Chill Insulated Bike Water Bottle is a great choice.

Pros

• The double-wall insulation keeps your liquids cold and secure while in transit.
• The self-sealing cap maximizes flow rate while eliminating spills and splashes.
• All parts can be separated for easier cleaning, and plastic materials are 100 percent free of BPA, BPS, and BPF.

Cons

• The insulation is not as effective as some other models on the market.
• The bottle may not fit securely in all bottle cages.
• The lid can be difficult to clean thoroughly.

This water bottle is easy to squeeze, ensuring that you get a more fluid intake with less effort. The optimized cage fit is designed to fit securely in a variety of bottle cages, making it a versatile option for any triathlete. Its high flow, self-sealing cap maximizes flow rate while eliminating spills and splashes, so you can stay hydrated without worrying about making a mess.

The CamelBak Podium Chill is also easy to clean, with all parts able to be separated for thorough cleaning. Additionally, its plastic materials are 100 percent free of BPA, BPS, and BPF, ensuring that you’re drinking from a safe, high-quality product.

Overall, if you’re in need of a reliable water bottle for your next triathlon, the CamelBak Podium Chill Insulated Bike Water Bottle is a great choice.

Polar Bottle Breakaway Wave Lightweight Bike Water Bottle 2-Pack

If you’re looking for a reliable water bottle for your triathlon, the Polar Bottle Breakaway Wave Lightweight Bike Water Bottle 2-Pack is a great option.

Pros

• The high-flow Surge Cap provides a sip or blast of water and self-seals to eliminate spills and splatter, even on your bumpiest rides.
• The innovative cap is two pieces – cap and valve – simply twist and pull for complete access cleaning; all our squeeze water bottles and caps are dishwasher safe.
• The original, 100% BPA-free water bottle features a sleek, single-wall design that is light, durable, compact, and fits most bike cages.

Cons

• The exterior color may wear off over time.
• The bottle may not keep water cool for extended periods.
• The valve may collect black grime that could not be cleaned.

The Polar Bottle Breakaway Wave Lightweight Bike Water Bottle 2-Pack is a versatile sports water bottle that fits in a variety of bike cages. The high-flow Surge Cap maximizes flow rate and self-seals to eliminate spills and splatter, making it spill-proof when open and pushes closed for leakproof transport. The innovative cap is two pieces – cap and valve – simply twist and pull for complete access cleaning, making it easy to clean.

The original, 100% BPA-free water bottle features a sleek, single-wall design that is light, durable, compact, and fits most bike cages. It is optimally designed for easier squeeze and grip for use on the go. The Polar Bottle Breakaway Wave Lightweight Bike Water Bottle 2-Pack is made in Colorado, USA, and is dishwasher safe.

However, the exterior color may wear off over time, and the bottle may not keep water cool for extended periods. The valve may also collect black grime that could not be cleaned. Overall, the Polar Bottle Breakaway Wave Lightweight Bike Water Bottle 2-Pack is a great option for those looking for a reliable water bottle for their triathlon.

Fitletic Sport Water Bottle with Holster

If you’re looking for a convenient way to stay hydrated during your triathlon, marathon, or endurance race, the Fitletic Sport Water Bottle with Holster might be just what you need.

Pros

• The No-Bite Cap allows for quick hydration without having to use your teeth to open the bottle.
• The attachable water bottle holster fits belts up to 1.5 inches wide, making it a versatile accessory for runners, cyclists, hikers, and walkers.
• The Fitletic water bottle holder is light and contoured for a natural grip and rapid one-handed drinking.

Cons

• The 8-ounce capacity may not be sufficient for longer races or intense workouts.
• The lack of insulation means that your drink may not stay cold for long periods of time.
• The spout cannot be completely closed, which may result in spills if the bottle is on its side.

The Fitletic Sport Water Bottle with Holster is a practical and convenient accessory for anyone who needs to stay hydrated on the go. Whether you’re training for a marathon or just going for a walk, this attachable water bottle holder allows you to use it when you need it and remove it when you don’t.

The No-Bite Cap is a great feature that allows for quick hydration without having to use your teeth to open the bottle. The attachable water bottle holster fits belts up to 1.5 inches wide, making it a versatile accessory for runners, cyclists, hikers, and walkers. The Fitletic water bottle holder is light and contoured for a natural grip and rapid one-handed drinking, which is perfect for those who need to stay hydrated while on the move.

However, the 8-ounce capacity may not be sufficient for longer races or intense workouts. Additionally, the lack of insulation means that your drink may not stay cold for long periods of time. Finally, the spout cannot be completely closed, which may result in spills if the bottle is on its side.

Overall, if you’re looking for a convenient and practical way to stay hydrated during your next race or workout, the Fitletic Sport Water Bottle with Holster is definitely worth considering.

XLAB Aero TT Cage and Bottle

If you’re looking for a high-quality water bottle for triathlons, the XLAB Aero TT Cage and Bottle is an excellent option.

Pros

• The XLAB Aero TT Cage and Bottle is designed to be aerodynamic, which can help you save time and energy during your triathlon.
• With its high grip cage, this water bottle is perfect for bumpy roads, ensuring that your water stays secure during your ride.
• The easy grip groove on the bottle makes it simple to withdraw from the cage, so you can stay hydrated without slowing down.

Cons

• While the XLAB Aero TT Cage and Bottle is designed to be aerodynamic, it may not be the best option for those who prioritize capacity over speed.
• Some users have reported that the bottle can be difficult to remove from the cage, which may be frustrating during a race.
• The XLAB Aero TT Cage and Bottle is made from aluminum, which may not be as durable as other materials.

If you’re looking for a water bottle that’s designed specifically for triathlons, the XLAB Aero TT Cage and Bottle is definitely worth considering. Its aerodynamic design, high grip cage, and easy grip groove make it a great option for triathletes who want to stay hydrated during their ride.

GEMFUL Water Bottle Biking BPA Free 24 Ounce 2 Pack Black+White

If you are looking for a reliable water bottle for your triathlon, the GEMFUL Water Bottle Biking BPA Free 24 Ounce 2 Pack Black+White is a great option.

Pros

• The high water flow rate allows you to hydrate quickly and efficiently during your race.
• The threaded lid with an up/down valve ensures that the bottle is leak-proof and easy to use.
• The ergonomic design fits snugly into your hand, making it easy to hold while you’re on the go.

Cons

• The bite valve may be a weak point over time.
• The top doesn’t have a strong click in place when closing, which may cause it to open if shaken.
• The opening top piece is made of rubbery silicone, which may not be as durable as other materials.

The GEMFUL Water Bottle Biking BPA Free 24 Ounce 2 Pack Black+White is perfect for all your active endeavors, including cycling, yoga, gym, running, hiking, fitness, biking, and cross-fit. It is lightweight, reusable, and easy to carry. The bottle is environmentally friendly, as it is BPA-free and helps keep our world free from single-use plastic bottles.

The bottle is optimized to fit into any water bottle cage, backpack pocket, or cup holder. It is also machine washable for easy cleaning. The product comes with an industry-leading limited lifetime warranty, so you can be sure that you are getting a quality product.

In conclusion, if you’re looking for a reliable water bottle for your triathlon, the GEMFUL Water Bottle Biking BPA Free 24 Ounce 2 Pack Black+White is a great choice. It is durable, leak-proof, and easy to use, making it the perfect companion for your next race.

Speedfil A2 Bicycle Water Bottle

If you’re looking for a hands-free hydration system for your triathlon, the Speedfil A2 Bicycle Water Bottle is a great option.

Pros

• The aerodynamic and low-profile design of the Speedfil A2 makes it a great choice for triathlons.
• The patented Zerosplash technology ensures that there is no splashing on the handlebars while you’re drinking.
• The Speedfil A2 works with any Specialized thread compatible bottle, making it easy to refill.

Cons

• Once you take one sip, the straw isn’t submerged in the water, so it only works well when it’s totally full.
• The Speedfil A2 is heavier than some other aero bottles, even without fluid in it.
• Some users have reported that the Speedfil A2 leaks.

The Speedfil A2 is a reliable and convenient way to stay hydrated during your triathlon. Its multiple mounting options allow for hands-free drinking, and its easy-to-clean design makes it a breeze to maintain. However, be aware of its weight and potential for leaking before making your purchase.

NGN Sport – High Performance Bicycle | Bike Water Bottle for Triathlon, MTB, and Road Cycling – 24 oz (2-Pack) (Fluoro Lava Orange/Black (2-Pack))

If you are looking for a high-quality water bottle to accompany you on your triathlon training, the NGN Sport is the perfect choice.

Pros

• The NGN Sport is designed to pair perfectly with your bike and other workout gear for a clean, fast look.
• The bottle is manufactured with durable, wear-resistant materials that won’t break, crack or split, and is dishwasher and freezer safe.
• The leak-free top cap is easy to grip, screw open, and screw closed, while the softer rubber mouthpiece poppet is gentle on the mouth and teeth and delivers 50% greater water flow than standard bottles.

Cons

• The NGN Sport bottles are not insulated, so they may not keep your water as cold as you’d like on hot summer days.
• Some users have reported that the color of the bottles is not as vibrant as they expected.
• The NGN Sport bottles are not the cheapest option on the market.

The NGN Sport bottles are designed to meet the needs of triathletes, mountain bikers, and road cyclists alike. The bottles are lightweight and squeeze-and-squirt style, fitting securely into most standard bicycle water bottle cages and car cup holders.

The NGN Sport bottles are constructed with BPA-free, phthalate-free, food-grade materials, and the vibrant, high-resolution graphics are printed with permanent, non-toxic, solvent-free inks. The bottles are odorless and stain-resistant, ensuring that your water tastes fresh and clean every time.

In summary, if you’re looking for a high-quality, leak-free water bottle that pairs perfectly with your bike and workout gear, the NGN Sport is an excellent choice. With a limited lifetime warranty and 100% satisfaction guarantee, you can purchase with confidence.

NGN Sport Water Bottle

If you’re looking for a reliable water bottle that pairs perfectly with all types of bikes and workout gear, the NGN Sport Water Bottle is a great option.

Pros

• The NGN Sport Water Bottle is made with durable, wear-resistant materials that won’t break, crack, or split. It’s also dishwasher and freezer safe, making it easy to clean and store.
• The leak-free top cap is easy to grip, screw open, and screw closed. The softer rubber mouthpiece poppet is easy to open (push/pull) and is gentle on the mouth and teeth. The wide liquid channel also delivers 50% greater water flow than standard bottles.
• The NGN Sport Water Bottle is constructed with BPA-free, phthalate-free, food-grade materials. The vibrant, high-resolution graphics are printed with permanent, non-toxic, solvent-free inks. Plus, it comes with an industry-best limited lifetime warranty and 100% satisfaction guarantee.

Cons

• Some users have reported a strong chemical smell that persists even after multiple washes.
• The NGN Sport Water Bottle may bounce out of some cages on rough descents due to its soft rubber spouts.
• The bottle may be a bit tall for smaller frame bikes.

The NGN Sport Water Bottle is a great choice for anyone looking for a reliable, leak-free water bottle that can handle the demands of triathlons, mountain biking, and road cycling. Its durable, wear-resistant materials and leak-free top cap make it a great investment for anyone who wants a water bottle that will last for years to come.

Engine Design Group NGN Bicycle Water Bottle

If you’re looking for a high-quality water bottle for your next triathlon, the Engine Design Group NGN Bicycle Water Bottle is a great choice.

Pros

• Designed to pair perfectly with a variety of bike types, including road bikes, triathlon bikes, and mountain bikes
• Made with durable, wear-resistant materials that won’t break or crack
• Leak-free top cap is easy to grip and won’t drip or splash

Cons

• Some users may find the 21 fluid ounce capacity to be too small for their needs
• The bottle is not insulated, so it may not keep your water cold for an extended period of time
• The softer rubber mouthpiece may not be as durable as some harder plastic options

This water bottle is perfect for triathletes who want a reliable, leak-free option that will fit securely into most standard bicycle water bottle cages. The wide liquid channel also delivers 50% greater water flow than standard bottles, making it easy to stay hydrated during your training or race.

Constructed with BPA-free, phthalate-free, food-grade materials, this water bottle is safe and compliant for all users. Plus, the vibrant, high-resolution graphics are printed with permanent, non-toxic, solvent-free inks, ensuring that your bottle will look great for years to come.

Overall, if you’re in the market for a new water bottle for your next triathlon, the Engine Design Group NGN Bicycle Water Bottle is definitely worth considering. With its pro build quality, leak-free design, and versatile compatibility, it’s a great choice for any serious athlete.

Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle

If you’re looking for a hands-free hydration system that’s perfect for triathlons, the Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle is definitely worth considering.

Pros

• The aerodynamic and low profile design is perfect for triathlons.
• The Zerosplash feature ensures that there’s no splashing on the handlebars.
• The bottle works with any Specialized thread compatible bottle and has multiple mounting options.

Cons

• The straws are too long and may need to be cut.
• When in the aero position, your arm can hit the straw and cause leakage.
• The product is a bit overpriced for its quality.

The Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle is a great way to stay hydrated during your triathlon. The aerodynamic and low profile design ensures that you won’t be slowed down, and the Zerosplash feature ensures that there’s no splashing on the handlebars. Additionally, the bottle works with any Specialized thread compatible bottle and has multiple mounting options, so you can easily find the perfect spot for it on your bike.

However, there are a few downsides to this product. The straws are too long and may need to be cut to prevent them from hitting your arm and causing leakage. Additionally, the product is a bit overpriced for its quality. Despite these drawbacks, the Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle is still a great choice for anyone looking for a hands-free hydration system for their triathlon.

In conclusion, if you’re looking for a high-quality hands-free hydration system for your triathlon, the Speedfil A2 and Z4+ Aerobundle Bicycle Water Bottle is definitely worth considering.

CamelBak Podium Chill Insulated Bike Water Bottle

If you’re looking for a water bottle that keeps your drink cold for longer, the CamelBak Podium Chill Insulated Bike Water Bottle might be the perfect match for you.

Pros

• The double-wall construction keeps water cold twice as long, making it perfect for long triathlons.
• The optimized cage fit ensures the bottle is securely held in place while cycling.
• The easy squeeze feature allows you to drink more water with less effort.

Cons

• The price might be a bit steep for some.
• The chemical smell might be unpleasant for some people.
• The lid might make a noise if not closed properly.

The CamelBak Podium Chill Insulated Bike Water Bottle is made of Trutaste Polypropylene with HydroGuard, making it tasteless and odorless. The high flow, self-sealing cap maximizes flow rate while eliminating spills and splashes. Plus, it’s 100% free of BPA, BPS, and BPF.

The bottle is easy to clean thanks to its easy-to-separate parts. Additionally, the bottle is covered by the Got Your Bak Lifetime Guarantee, which covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product.

In summary, if you’re looking for a water bottle that keeps your drink cold for longer and is optimized for peak performance during long triathlons, the CamelBak Podium Chill Insulated Bike Water Bottle might be the perfect match for you.

XLAB Hydroblade Black

If you want a complete vertical hydration system that is easy to drink and refill, then you should consider the XLAB Hydroblade Black. This product is designed to provide the hydration you need without sacrificing bike control, and it comes with a silicone sheath that helps keep the straw positioned where you need it. Additionally, the Hydroblade Click Cover features a grippy pull-tab for easy opening, and the Hydroblade Solid Cap has a wide mouth quick-fill opening that makes mid-ride refill of tablets or powder a breeze.

Pros

• Easy to drink and refill
• Aerodynamic design to minimize system drag
• Highly adjustable mounting configuration

Cons

• May not fit all bike types
• Bottle capacity is only 828 mL
• Some users may find the bite valve difficult to use

The XLAB Hydroblade Black is a great choice for triathletes who want a complete hydration system that won’t sacrifice bike control. With its aerodynamic design and highly adjustable mounting configuration, this product is sure to meet your needs. Additionally, its easy-to-drink and refill features make it a convenient choice for long rides. However, some users may find that it doesn’t fit all bike types, and the bottle capacity is relatively low. Overall, if you’re looking for a reliable and convenient hydration system for your triathlon, the XLAB Hydroblade Black is definitely worth considering.

Profile Design Aero HC System, Clear

If you’re looking for an aerodynamic, refillable on-the-go front-mounted bottle to keep you hydrated during your triathlon, the Profile Design Aero HC System is a great option to consider.

Pros

• With a 28oz capacity, this BPA-free, food safe HDPE bottle offers ample hydration for your triathlon needs.
• The fill cap allows for quick and easy refill without any splashing, so you can stay focused on your race.
• The aerodynamic shrouded straw mount and the independently adjustable cage and computer mount from the bracket make this system an efficient and sleek choice.

Cons

• Some users have reported that the bottle leaks from the top and front.
• The bottle is small, so it may not be enough for longer races.
• The straw is a bit stiff, which may make it difficult to drink from during the race.

The Profile Design Aero HC System is a solid choice for triathletes who are looking for an aerodynamic and efficient hydration system. The 28oz capacity is enough to keep you hydrated during your race, and the fill cap allows for quick and easy refill without any splashing. The aerodynamic shrouded straw mount and independently adjustable cage and computer mount make this system a sleek and efficient choice.

During the race, the bottle may leak from the top and front, so make sure to tighten it properly before the race. Also, the bottle is small, so it may not be enough for longer races. The straw is a bit stiff, which may make it difficult to drink from during the race, so make sure to practice using it before the race. Overall, the Profile Design Aero HC System is a great option to consider for your next triathlon.

Profile Designs HSF Aerodrink 880 Drink System – 30oz, Black

If you’re looking for a reliable hydration system for your triathlon, the Profile Designs HSF Aerodrink 880 Drink System could be a great choice.

Pros

• The flexible hose with a bite valve allows for easy drinking on-the-go without having to break your aero position.
• The flip cap for the refill port is easy to open and close, making it simple to refill your bottle during a race.
• The straw can be mounted in either the front or rear, giving you the flexibility to choose what works best for you.

Cons

• Some users have reported that the seal is too tight, creating a vacuum that makes it difficult to drink from the straw.
• The red elastic band that comes with the system to secure the bottle to the bracket may not be necessary and can break easily.
• The bracket for attaching the system to your aerobars has been updated, which may cause confusion when following the instructions.

The Profile Designs HSF Aerodrink 880 Drink System is a solid choice for triathletes who need a reliable hydration system. The flexible hose and bite valve make it easy to drink while maintaining your aero position, and the flip cap for the refill port is a convenient feature. The straw can be mounted in either the front or rear, making it a versatile option.

However, some users have reported that the seal is too tight, which can create a vacuum that makes it difficult to drink from the straw. Additionally, the red elastic band that comes with the system to secure the bottle to the bracket may not be necessary and can break easily. Finally, the updated bracket may cause confusion when following the instructions.

Overall, if you’re in need of a hydration system for your triathlon, the Profile Designs HSF Aerodrink 880 Drink System is definitely worth considering.

ROCKBROS Insulated Bike Water Bottles

If you’re looking for a reliable and efficient water bottle for your triathlons, then the ROCKBROS Insulated Bike Water Bottles might be the perfect choice for you.

Pros

• The aluminum foil lining helps keep your water cool for up to 3 hours during outdoor cycling in summer.
• The fully enclosed design ensures that no water will leak, even when you’re riding on bumpy terrain.
• The lightweight and easy-to-use design makes it easy to drink water while riding.

Cons

• Some users have reported a plastic taste after prolonged use.
• The sealing cap can be a bit hard to open and close.
• The clear plastic design might not be to everyone’s taste.

The ROCKBROS Insulated Bike Water Bottles are a great choice for anyone who needs a reliable and efficient water bottle for their triathlons. The aluminum foil lining helps keep your water cool for up to 3 hours during outdoor cycling in summer, while the fully enclosed design ensures that no water will leak, even when you’re riding on bumpy terrain. The lightweight and easy-to-use design makes it easy to drink water while riding, and the plastic materials are 100 percent free of BPA, BPS, and BPF.

However, some users have reported a plastic taste after prolonged use, and the sealing cap can be a bit hard to open and close. Additionally, the clear plastic design might not be to everyone’s taste. Overall, if you’re looking for a reliable and efficient water bottle for your triathlons, the ROCKBROS Insulated Bike Water Bottles are definitely worth considering.

Buying Guide

When it comes to choosing the best water bottle for triathlons, there are a few features you should consider to ensure you stay hydrated during your race. Here are some key factors to keep in mind:

Material

The material of the water bottle is important as it can affect the taste of the water and its durability. Plastic bottles are lightweight and affordable, but they can absorb flavors and odors over time. Stainless steel bottles are durable and can keep drinks cold for longer, but they are heavier than plastic bottles. Glass bottles are also a good option, but they are fragile and can break easily.

Capacity

The capacity of the water bottle depends on your personal preference and the length of your race. For shorter races, a 16-20 oz bottle should suffice, while for longer races, a 24-32 oz bottle may be necessary.

Design

The design of the water bottle can also impact your race. Look for bottles with a wide mouth for easy refilling, and a secure cap to prevent leaks. Some bottles also come with a built-in straw or valve for easy drinking during the race.

Extras

Some water bottles come with extra features such as insulation to keep drinks cold, or a carrying handle for easy transport. While these features may be convenient, they can also add weight to the bottle, so consider your priorities when choosing a water bottle.

Overall, choosing the best water bottle for your triathlon comes down to personal preference and the specific needs of your race. Consider the material, capacity, design, and extras of each bottle to find the one that works best for you.

Frequently Asked Questions

How do you choose the appropriate water bottle size for a triathlon?

When selecting a water bottle size for a triathlon, consider the length of the race and your hydration needs. For shorter races, a smaller bottle may suffice, while longer races may require a larger bottle. Additionally, consider the availability of aid stations on the course and whether you prefer to carry your own hydration.

Which water bottle cage offers the best performance on a triathlon bike?

The best water bottle cage for a triathlon bike is one that securely holds the bottle in place while still allowing for easy access. Look for cages that are lightweight, aerodynamic, and durable. Some popular options include the XLAB Gorilla Cage and the Profile Design Kage.

What are the top water bottle options for the running segment of a triathlon?

For the running segment of a triathlon, handheld water bottles or hydration belts are popular options. Handheld bottles, such as the Nathan QuickShot Plus, are lightweight and easy to carry, while hydration belts, such as the FuelBelt Helium, allow for hands-free hydration.

Can using aero bottles significantly impact your speed during a triathlon?

Using aero bottles can potentially improve your speed during a triathlon by reducing drag and improving aerodynamics. However, the impact on speed may vary depending on the course and individual performance.

What features to look for in a cycling water bottle for triathlons?

When selecting a cycling water bottle for triathlons, consider the ease of use, capacity, and compatibility with your bike. Look for bottles with a high flow rate, easy-to-use valve, and a capacity that meets your hydration needs. Additionally, consider the compatibility with your bike’s water bottle cage.

Are insulated water bottles like the CamelBak Podium Chill advantageous for triathlon use?

Insulated water bottles, such as the CamelBak Podium Chill, can be advantageous for triathlon use by keeping your drinks cool in hot weather. However, they may be heavier than non-insulated bottles and may not fit in all water bottle cages. Consider your personal preferences and needs when selecting a water bottle for a triathlon.