Brand: HydraPak
Category: Running Water Bottles & Flasks
Recommended by Meikael Beaudoin Rousseau, Professional Trail & Mountain Runner — Boulder, CO
Highlights: comfortable
The SkyFlask™ Speed 500ml is a lightweight, ergonomic soft flask designed for athletes who demand efficiency and comfort during their training or racing. With its innovative thumb loop and adjustable strap, this flask ensures a secure grip and quick access to hydration, making it an essential companion for any runner. 1. Innovative thumb loop design allows for a secure grip without unnecessary effort. 2. Adjustable, sweatproof strap accommodates various hand sizes and ensures a snug fit. 3. Made from soft, flexible materials that provide a comfortable, chafe-free experience. 4. SpeedFill™ Cap enables rapid refills, perfect for on-the-go hydration. 5. Compact design packs down easily for convenient storage when not in use. 6. Versatile ambidextrous design allows for use in either hand, catering to all users. 7. Backed by a Beyond Lifetime Guarantee, ensuring long-lasting performance and reliability. The SkyFlask™ Speed 500ml is ideal for runners, hikers, and outdoor enthusiasts who require quick and easy access to hydration during their activities. It performs best in dynamic environments such as trails, marathons, or training sessions, where efficiency and comfort are paramount. This product is perfect for athletes of all skill levels looking to enhance their performance while staying hydrated, regardless of the season or weather conditions.
Price: $33
- Who it's for
- Runners who need on-the-go hydration for hot weather, longer runs, or races with frequent aid stations, especially those skipping a vest in favor of a handheld or belt setup. Multiple hosts own several and use one to two per day in training.
- What people are saying
- Praise is consistent: comfortable in hand, easy to refill via the SpeedFill flip cap at aid stations, and collapses flat for storage when empty. One host flags that the SpeedFill cap can come undone when the flask is stowed in a pack.
- Worth noting
- Compatible with a filter cap, making it usable for backcountry water sourcing. The leaking-cap caveat is the only functional concern raised across all notes.
Meikael Beaudoin Rousseau's review
This 500ml handheld soft flask gives you a lot of versatility. My preference is to have it stowed in the back of my belt, but you can also run with it in your hand. It's super easy to refill at aid stations with the SpeedFill cap. I usually start races with one of these full of drink mix and plan to refill as needed at aid stations
Recommended by Meikael Beaudoin Rousseau, Professional Trail & Mountain Runner
Frequently asked questions
Who is the SkyFlask™ Speed 500ml for?
Runners who need on-the-go hydration for hot weather, longer runs, or races with frequent aid stations, especially those skipping a vest in favor of a handheld or belt setup. Multiple hosts own several and use one to two per day in training.
What do experts say about the SkyFlask™ Speed 500ml?
Praise is consistent: comfortable in hand, easy to refill via the SpeedFill flip cap at aid stations, and collapses flat for storage when empty. One host flags that the SpeedFill cap can come undone when the flask is stowed in a pack.
What should you know before buying the SkyFlask™ Speed 500ml?
Compatible with a filter cap, making it usable for backcountry water sourcing. The leaking-cap caveat is the only functional concern raised across all notes.
What does Meikael Beaudoin Rousseau say about the SkyFlask™ Speed 500ml?
This 500ml handheld soft flask gives you a lot of versatility. My preference is to have it stowed in the back of my belt, but you can also run with it in your hand. It's super easy to refill at aid stations with the SpeedFill cap. I usually start races with one of these full of drink mix and plan to refill as needed at aid stations
Why does Meikael Beaudoin Rousseau recommend HydraPak?
Meikael Beaudoin Rousseau recommends the HydraPak SkyFlask™ Speed 500ml for running water bottles & flasks. This 500ml handheld soft flask gives you a lot of versatility. My preference is to have it stowed in the back of my belt, but you can also run with it in your hand. It's super easy to refill at aid stations with the SpeedFill cap. I usually start races with one of these full of drink mix and plan to refill as needed at aid stations
Is the SkyFlask™ Speed 500ml a good running water bottles & flask?
Yes — Meikael Beaudoin Rousseau recommends the SkyFlask™ Speed 500ml by HydraPak as their running water bottles & flasks pick. This 500ml handheld soft flask gives you a lot of versatility. My preference is to have it stowed in the back of my belt, but you can also run with it in your hand. It's super easy to refill at aid stations with the SpeedFill cap. I usually start races with one of these full of drink mix and plan to refill as needed at aid stations
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What other hosts are saying
9 experts recommend the HydraPak SkyFlask™ Speed 500ml.
Shelby Farrell, Athlete. Marketing Professional. Cat Mom.
The SpeedFill cap is a game-changer. No fumbling with twist caps when you’re rushed and wrecked mid-ultra. The handheld strap is simple and dialed. Easy to carry when full, easy to stash when empty.
Recommended in Fuel & Flasks
Klaire Rhodes, Professional Trail/Mountain Runner
I own maybe 6 of these! The best handheld bottle for short runs or races where I opt for a belt over a vest.
Recommended in 10 Products I Actually Use Every Day
Makena Morley, Professional Runner (Roads, Trails...)
two of these will be consumed!
Recommended in Broken Arrow Race List
Only handheld bottle worth using, flip top works great at aid stations, is light enough to stash and forget when empty. The gold standard for bottles.
Recommended in Broken Arrow 2026
Great handheld option to avoid carrying a vest or belt, especially for faster stuff and races with frequent aid stations.
Recommended in Trail stuff
Hayden Tharp, Running/Fitness Enthusiast
If you sweat like me, hydration is top of the list. I love this bottle. Very comfortable, excellent capacity, and it stays cool better than most other brands I’ve tried!
Recommended in Essentials
I use this handheld flask for every run when the weather is hot and on longer runs all year long. It’s very comfortable in the hand and packs down for easy storage once empty
Recommended in 10 Products I Actually Use
Allison Powell, Ultrarunning Coach, Ultrarunning Communnity Leader
Adding the filter cap onto my bottles was easy! A great addition to my backcountry adventures!
Recommended in Tahoe-Yosemite FKT
