16-year-old ultra marathon runner Sebastian Salsbury keeps taking his passion for running to the next level. From running across the Grand Canyon to 60-mile races, Sebastian wants to leave his mark on the sport he loves! MORE [NO DAYS OFF] episodes 💪 whistle.video/3sVIyAl SUBSCRIBE to Whistle for more awesome videos! - goo.gl/y2JNsG CLICK HERE for check out our store! whistle.video/WhistleMerch Still want more Whistle? Follow us on: TIKTOK: tiktok.com/@whistle INSTAGRAM: instagram.com/whistlesports TWITTER: twitter.com/whistlesports FACEBOOK: facebook.com/whistlesports WHAT IS WHISTLE? Whistle creates uplifting sports and entertainment content highlighting incredible athletes, amazing entrepreneurs and future stars. Our flagship series include No Days Off, My Hustle & Dunk League and we've feature talent like Patrick Mahomes, Trae Young, Ja Morant, Karl Anthony Towns, A'ja Wilson, Cooper Kupp, Kyrie Irving, Snoop Dogg, Jo...