The Hardest MTB Race in the World: John Withrow Gets It Done

Endurance Nation Podcast

Special guest John Withrow returns to recount his grueling adventure at the Margie Gessick race—a notorious 110-mile mountain biking marathon with a staggering 70% Did Not Finish rate. Known for its rocky and root-filled trails in Michigan's Upper Peninsula, this race demanded intense physical and mental endurance. John opens up about the unique challenges he encountered this year compared to past races like the Leadville Trail 100, and how family dynamics influenced his decision to take on such a monumental challenge. We explore the mindset necessary to push through the exhaustion and obstacles, highlighting the personal sacrifices and strategic planning that went into this endeavor.

Our conversation shifts to the critical topic of fueling and pacing strategies during these extreme endurance events. I discuss my own experiences, revealing my decision to sometimes walk instead of run to conserve energy and the complexities of maintaining proper nutrition on a technical course. An oversight led to a challenging four-hour stretch with minimal intake, underscoring the importance of listening to the advice of supporters like Joe Wilcox. Discover the small but impactful adjustments, such as taking quick snack breaks, that can significantly enhance performance and endurance.

Finally, we reflect on the mix of unexpected challenges and triumphs that make these races unforgettable. From brake issues that turned pit stops into high-stakes moments reminiscent of NASCAR to the satisfaction of overtaking fellow racers, the episode captures the spirit of resilience. We share thoughts on the importance of preparation, the exhilaration of maintaining momentum, and lessons learned for future races. Amidst playful banter and recovery plans, we also touch on the potential for more ordinary events next year, bringing the conversation to a light-hearted conclusion filled with camaraderie and anticipation for future adventures.