How did a young man change hydration and running forever?
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Choosing the Right Hydration Tool for Your Effort
As fueling strategies shift, especially with the rise of high carb intake, your hydration tool of choice needs to do more than keep you topped off. It needs to fit your pace, your nutrition, and your gear. In this post, we’re breaking down the differences between...
The Link Between Nutrition Trends and Hydration Strategy
In recent years, endurance athletes have seen a resurgence in high-carb fueling strategies, especially among trail and ultrarunners. While low-carb, fat-adapted approaches once stole the spotlight, many runners are returning to carbohydrates as their primary energy...
Introducing the UltrAspire Speedgoat 4.0 Waist Pack
The UltrAspire Speedgoat 4.0 is the most advanced version yet of Karl Meltzer’s signature long-distance waist pack; engineered for maximum stability, efficiency, and performance. Trusted by one of the most accomplished ultrarunners in history, this waist pack is...
Best in Waist Packs for Ultramarathoners 2025
Over the years, UltrAspire has deliverd the best in waist pack gear carry while leading the charge in innovation that caters toward ultramarathoners. With ErgoFit Waist and the unique conical belt shape, UltrAspire waist packs are designed with the human body in mind....
Modern Hydration
Comes From The Past
It all started in 1979 when Bryce was unable to find a pack that allowed him to maximize his performance, so he decided to make one himself using his grandmother's sewing machine.Since then, Bryce launched the very first hydration company, invented hydration belts, packs, handhelds, vests, produced the first screw top water bottle for runners, and introduced many other industry firsts. His innovation came from need, and it continues out of the need to perform better.
Today, almost all hydration products are iterations of Bryce's original designs and he continues to drive the industry forward, setting UltrAspire apart from all other brands.