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How did a young man change hydration and running forever?
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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....
Introducing the New Zygos 6.0 Race Vest: The Pinnacle of Distance Running Gear
The wait is over — the Zygos 6.0 race vest from UltrAspire has officially arrived. Since the launch of the original Zygos, tens of thousands of endurance athletes have trusted it as their go-to high-capacity vest, and the newest version is built to elevate that legacy...
The Ultimate UltrAspire 2023 Holiday Gift Guide for Runners
As the holiday season draws near, runners eagerly anticipate the opportunity to explore the UltrAspire 2023 Holiday Gift Guide for Runners to find the gear that will elevate their outdoor adventures. Whether you're searching for the perfect gift for a trail runner in...
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.
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..
