Boundless - Season 3 - Eps 1: Arizona: 24-Hour Mountain Bike Race
The "Burning Man" of the mountain biking world, this race attracts some of America's most eccentric mix, as competitors pedal a 24-hour loop course through the wild and dangerous cacti forest of the Sonoran Desert. The squad experiences equipment breakdowns, a race-stopping emergency, night time exhaustion and the fight to work their way onto the podium.
About Boundless

Title: Boundless
First Air Date: 2013-09-25
Last Air Date: 2016-06-14
Status: Ended
Rating: 9/10 (from 1 votes)
Language: EN
Seasons: 3
Total Episodes: 31
Network: Esquire Network
Genres: Documentary, Reality
Production Companies: Henry Less Productions
Synopsis
Two ultra athletes. Five months. Eight of the toughest endurance races in the world. With the globe as their playground, friends and fierce competitors Simon Donato and Paul “Turbo” Trebilcock aim to prove that boundaries are meant to be broken. The docuseries chronicles both pain and triumph as Turbo and Simon climb, run and bike up anything they can find over five straight months of extreme challenges. Will they finish all eight races and make it through this ultimate test of mind, body and spirit?