
“Back-to-Start”: Kilian Jornet Navigates off Mt. Everest Amidst Tough Conditions
Without it (COROS “Back-to-Start” feature) it would have been impossible or very difficult to get back safe. – Kilian Jornet In 1963, Alpinist Tom Hornbein

Keep Up With Kipchoge: Unlock Your COROS Badges
As Eliud Kipchoge gets ready to run the historic Boston Marathon, you can now unlock badges in the COROS app if you’re able to run

WHAT GOES UNSAID
Tim Tollefson Faces His Greatest Challenge Yet October 10th is World Mental Health Day. We’re honored to share a film project featuring professional ultra-runner Tim

Kipchoge’s World Record: Inside The Numbers
Eliud Kipchoge is the greatest marathoner of all time. Having won the past two olympic gold medals, and holding the previous official marathon world record

Ultra-Running with The Speed Project Champ
The Speed Project starts at the Santa Monica Pier, and finishes at the famous Las Vegas sign. The premise of this race is simple. There

From Message to Mountain and Beyond
How Lewis Wu and Kilian Jornet began a new chapter. It started with a direct message, and ended in a partnership. When Lewis Wu, COROS