WATCH: Finding Balance On the Trails

Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members! Download the app.

Jeff Maclellan is a board-certified veterinary surgeon in Reno, Nevada, and uses trail running to balance out the stress and business of his work in the hospital. This film, by Zangs Films, explores his motivations.

Related:  A Day With Fell Runner and Fire-Fighter Ricky Lightfoot

Want to Know What It Takes to Finish at Western States? Just Ask Hellah Sidibe.

Find out what happened when this six-year run streaker and HOKA Global Athlete Ambassador took on an iconic ultramarathon in California's Sierra Nevada