David Babbitt is an American ultrarunner living in Nepal and racing some of the most difficult multi-stage races on the planet. He's doing this at age 75. With the help of his long-time coach, Land Heintzberger, the duo have focused on core training basics to keep David in races and finishing faster than many younger competitors.

Babbitt completed the seven-day Manaslu Mountain Trail Race, which covers 122 miles, 35,000 feet of elevation gain and tops out at 17,000 feet above sea level. He finished in 41 hours and was nowhere near being in last place.

Listen in as Dirk Friel talks with Babbitt about his journey from cycling and inline skating to World Championship duathlons and ultrarunning. Plus, how Heintzberger has advised Babbitt for almost 10 years on load management and recovery after connecting through the TrainingPeaks Coach Match program.