Más que parciales: Cómo Grayson Murphy dominó los senderos para ganar un título mundial

En su segunda participación en los Campeonatos del Mundo de Carreras de Montaña y Trail, la atleta de COROS Grayson Murphy dominó la prueba y se alzó con su segunda victoria en unos Campeonatos del Mundo durante la carrera Clásica de Montaña celebrada el 10 de junio de 2023 en Austria. Solo unos días antes,Continue reading “Más que parciales: Cómo Grayson Murphy dominó los senderos para ganar un título mundial”

More Than Splits: How Grayson Murphy Mastered the Trails to Win A World Title

In her second World Mountain and Trail Running Championship appearance, COROS athlete Grayson Murphy dominated the field and came away with her second World Championship win during the Mountain Classic race on June 10th, 2023 in Austria. Only days before, Grayson achieved bronze in the Vertical Race over a grueling 7.5km course with over 1,000mContinue reading “More Than Splits: How Grayson Murphy Mastered the Trails to Win A World Title”

“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 and Willi Onsoloed set out to climb Mt. Everest via the West Shoulder. Fast forward 60 years and Kilian Jornet was aiming to follow in their footsteps. No stranger toContinue reading ““Back-to-Start”: Kilian Jornet Navigates off Mt. Everest Amidst Tough Conditions”

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 at his marathon pace! As of April 13th, instant pace, 200 meter, and 400 meter badges are within the COROS app and unlocked when any athlete runs at 2:52/km orContinue reading “Keep Up With Kipchoge: Unlock Your COROS Badges”


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 Tollefson, who opens up about his journey towards self-acceptance and healing as a runner. In Tim’s words, “true strength is vulnerability”. His decision to open up about his lifelong battleContinue reading “WHAT GOES UNSAID”

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 (Berlin 2018: 2:01:39), we have now witnessed another moment that pushes human limits. On Sunday, September 25th 2022, Kipchoge set a new world record in the time of 2:01:09. WithContinue reading “Kipchoge’s World Record: Inside The Numbers”

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 is no route, there are no rules, the fastest person/team wins. Having had this ultra-running race on her bucket list for some time, Shelby Farrell wanted to maximize her performanceContinue reading “Ultra-Running with The Speed Project Champ”

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 Co-Founder and a long-time fan of Kilian, sent him an Instagram DM, he did not expect it would lead to planning a trip to Norway only a few weeks later.Continue reading “From Message to Mountain and Beyond “

100 Miles for 100 Years of Insulin: Quad Boston Marathon

Having dealt with Diabetes since the age of 14, he wanted to do something special to celebrate the discovery of Insulin 100 years ago. With that in mind, Stephen set out for the quad. Running Boston 4x back-to-back to run 100 miles for 100 years.  This is the story of Stephen England and a breakdownContinue reading “100 Miles for 100 Years of Insulin: Quad Boston Marathon”

Marathon Majors: Running Through Adversity

What does running mean to you? Such a simple question on the surface, but far deeper if you sit for 30 seconds and think about it. Go ahead, pause reading and think for 30 seconds about what running means to you.  It was an overcast day in Pasadena California. I had arranged to meet withContinue reading “Marathon Majors: Running Through Adversity”