On this week's episode of The Trailhead, Corrine and Buzz ask a tricky question: Who's the most important runner in the sport?

Then, we hear from Heather Balogh Rochfort about handling the highs and lows of ultrarunning. See more of how to put your best foot forward in Heather's article, "How to not DNF a 100-miler."

Then, Buzz answers real runner questions about knowing when you are ready for an ultramarathon and whether your shoe choice is slowing you down over technical terrain.

Finally, we want to know why YOU are passionate about running trails. Email [email protected] with your why for a chance to be featured in a future episode.

The Trailhead Podcast is a production from UltraSignup News. This episode is presented by Sidas, your foot company. Use promo code TRAILHEAD20 for 20% off your entire purchase at Sidas.com.