COROS Stories
Athlete Stories
Mali Noyes Becomes First Woman to Ski the Comstock Couloir
The Comstock Couloir in the Selkirks has turned back many skiers, Mali Noyes among them. On her second attempt she became the first woman to ski it, with her COROS APEX 4 tracking all four days.
Athlete Stories
How Alyssa McElheny Is Using COROS to Reach Her Next Level
Alyssa McElheny became a world champion in fitness racing within a year. Now she and her coach use COROS data to find the next level of performance.
COROS Coaches
How to Improve Sleep Quality
COROS Coach Dr. Peter Tierney explains how to manage sleep quantity, quality and consistency so you wake up refreshed and ready to train.
Athlete Stories
Izzi Batt-Doyle's Marathon Training - Inside her Peak Training Week
Dive into the data of elite marathoner Izzi Batt-Doyle's peak training week.
A Runner's Guide to New York City
An expert's guide to running in New York City: top routes, coffee, and races from Black Distance Run Club.
A Runner's Guide to Tokyo
An expert's guide to running in Tokyo: top routes, coffee, and races from 080TOKYO Run Club.
Athlete Stories
Matt Hauser: Training & Consistency Behind a Triathlon Champion
Matt Hauser won the 2025 world title. His 2026 COROS training data shows how he built on it in the chase to defend his title.
A Runner's Guide to Paris
An expert's guide to running in Paris: top routes, coffee, and races from Eight Lines Track Club.
Athletic Performance
How to Transition between the Base and Build Phase
5K and Cross Country runners around the globe are transitioning from their base phase and turning their focus towards the build phase as we head towards the fall race season.
