Competitor bio:

Molly Sheridan is an ultra-marathon runner, coach, speaker, author of Running Past Midnight and CEO of Desert Sky Adventures. Molly has run over 85 ultramarathons, including Marathon des Sables across the Sahara Desert and The Badwater 135 Ultramarathon through Death Valley. She is also an Abbott World Marathon 6 Star Finisher. Molly is the first American woman to run 222kilometers through the Himalayas in the race event La Ultra The High. Her goal running 777 is to raise funds for three incredible charities, Swataleem, Surewave and 261 Fearless ( Instagram @ mollysheridanruns)