Uploaded November 2025 | Updated September 2026, 2 weeks ago

---

Jim Walmsley returns to the Singletrack Podcast for a wide-ranging conversation. We walk down memory lane, reflect on the World Championships, dig into his insights from Western States and UTMB, riff on his idea for a “Black Shorts Series,” and explore his training theories for success in the constantly evolving world of ultra-trail running.

Partners:

* Norda - check out the 005: the lightest, fastest, most stable trail racing shoe ever made (nordarun.com/)

* deltaG Ketones - use code Singletrack20 at checkout on their website to get 20% off your next order
(partners.deltagketones.com/SINGLETRACK20)

* Raide - Making equipment for efficient human-powered movement in the mountains (raideresearch.com/)

* Gorewear - use code SINGLETRACKPOD30 at checkout on their website (bit.ly/3JVNIbL) to get 30% off your purchase.

* Naak - use code SINGLETRACK15 at checkout on their website (naak.com/) to get 15% off your purchase.

Follow Singletrack on Instagram:

instagram.com/runsingletrack

Subscribe to Singletrack on Apple:

podcasts.apple.com/us/podcast/singletrack/id1572382413

Subscribe to Singletrack on Spotify:

open.spotify.com/show/7jAsWCRNSCU8nh81vrAaC2?si=3ac02e4e32b946c4