Open Fuel Uncovered: What We Carry Matters: Rethinking Fuel in Endurance Sports

In this episode of Ultra Uncovered, Corinne Shalvoy and Russell Ditsworth sit down with Zach Hauer, co-founder of Open Fuel North America, to uncover the origin story, philosophy, and future of one of trail running’s most intriguing emerging nutrition brands.

Zach shares how a chance discovery at a bakery in Cape Town during a trip for Ultra Trail Cape Town sparked his connection to Open Fuel. What began as curiosity quickly turned into a partnership with founder Andrew, leading Zach to leave his day job and fully commit to building the brand alongside his own pursuits as a competitive ultra runner.

The conversation dives into what sets Open Fuel apart in a crowded sports nutrition market, including a focus on sustainability, reduced waste, and thoughtful formulation. From their innovative funnel scoop to their DIY gel mix, the brand is challenging conventional norms around fueling while prioritizing both performance and environmental impact.

Zach also breaks down the science and intention behind their products, including carb-to-sodium ratios, ingredient sourcing, and gut-friendly formulation, while highlighting the importance of balancing performance needs with responsible business practices.

Beyond the product, the episode explores broader themes in trail running, including the rise of professionalism in the sport, the tension between growth and consumerism, and the power of community-driven brands. Zach shares his perspective as both an athlete and founder, including his recent success at Big Alta 100K and upcoming goals at Cocodona 250.

The episode wraps with insights into Open Fuel’s future, including expansion into retail, new product development, athlete team growth, and a long-term vision of eliminating plastic packaging entirely.
A thoughtful, candid conversation about building a brand with purpose in a rapidly evolving sport.

Check out ⁠Open Fuel⁠ & let them know you heard about it here! openfuel.co/collections/all