Summary
Steve Sashen, founder and CEO of Xero Shoes, joins the Run to the Top podcast to discuss his journey from returning to sprinting in his late 40s to building a leading minimalist footwear brand. After suffering constant injuries in conventional running shoes, Sashen discovered that barefoot running revealed his form problems and led to injury-free competitive sprinting. The conversation covers the problems with modern running shoes, including how thick padding prevents proper biomechanical feedback. Sashen critiques "super shoes" and their limited applicability to non-elite runners, discusses studies showing feet weaken up to 17% in just 12 weeks with arch support, and makes the case that minimalist footwear can reduce running injury risk by allowing natural gait patterns. He also addresses the transition protocol for switching from conventional to minimalist shoes.
Key Points
- Barefoot running provides immediate feedback on form problems that padded shoes mask
- Steve Sashen went from constant injuries to becoming a masters All-American sprinter after switching to barefoot
- Research shows arch support weakens feet up to 17% in as little as 12 weeks
- Super shoes are tuned for specific weight and speed ranges -- they're problematic for most recreational runners
- Walking in minimalist shoes builds foot strength equivalent to a dedicated foot exercise program
- Foot exercise programs reduce running injury risk by 2.5x over a year
- Transition should be gradual -- don't run your usual distance in minimalist shoes immediately
- Nike's own study showed their best-selling shoe injured 30% of runners in 12 weeks
Key Moments
Barefoot running revealed hidden form problems
Steve Sashen describes how his first barefoot run exposed the biomechanical issues that were causing chronic injuries, hidden by the padding of conventional running shoes.
"Our conversation delves into the problems with modern running shoes, the advantages and disadvantages of super shoes, various biomechanical studies informing the athletic footwear industry, and the case for minimalist footwear and barefoot running."
Super shoes only work for elite runners at specific speeds
The episode previews the discussion of how super shoes are tuned for a narrow range of body weight and running speed, making them counterproductive for most recreational runners.
"Takeaways from this episode include whether modern running shoes negatively impact form and performance, whether barefoot running or minimalist shoes can improve form and reduce injury risk."
From injured runner to masters All-American sprinter
Steve Sashen's origin story: returning to sprinting in his late 40s, suffering constant injuries, then discovering that barefoot running eliminated his problems and made him competitively fast.
"I'm Stephen Sashen and you're listening to the Run to the Top podcast."