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General Sports
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What does it take to run 13 marathons in 13 days, swim the Catalina Channel for nearly 10 hours straight in shark infested waters, and still be searching for the next big challenge?
This week, I sit down with endurance athlete and former collegiate pole vaulter Seth Wilmoth to talk about what drives him to keep testing his limits. Seth takes us inside his Gold Rush challenge, where he ran 13 marathons in 13 days across California's 13 eco-regions, and his nearly 10-hour swim across the Catalina Channel. But beyond the miles and crazy accomplishments, we get into the mindset behind doing hard things, what happens when your body is telling you to stop, finding purpose through pushing yourself, and why the next challenge always seems to be calling.
We also talk about his journey from competitive pole vaulting to endurance sports and what these extreme experiences have taught him about who he is when things get uncomfortable. This episode is about finding out what you're capable of, embracing the unknown, and realizing that sometimes the biggest challenge isn't the finish line — it's figuring out what comes next.
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"Gracie & Seth Wilmoth on 13 Marathons in 13 Days, Ultra-Endurance, & Chasing the Impossible" is an episode of Athletes After Hours with Gracie Kramer. Runtime 1 hr 19 min. Published September 30, 2026. Hit play above to stream it here, or open the free Spot Sports app for background play and offline downloads.