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08/31/2026

In rock climbing, route development is not for the faint of heart. It’s riddled with uncertainty, terrifying at times, and requires a tremendous amount of grit.

Big wall route development specifically is uncommon among everyday climbers, and especially among all-female teams, making ’s development of “Sintonia” (22 pitches, 5.13+) alongside , , , and , a rare and incredible achievement.

For fifteen days, the ladies sieged the wall, swapping rest days to maximize vertical progression. They battled rotten rock, heady lead falls, and exhaustion, all tracked on their COROS APEX 4.

Read the full story at the link in our bio.
🎥: .rn

08/31/2026

In rock climbing, route development is not for the faint of heart. It’s riddled with uncertainty, terrifying at times, and requires a tremendous amount of grit.

Big wall route development specifically is uncommon among everyday climbers, and especially among all-female teams, making Laura Pineau’s development of “Sintonia” (22 pitches, 5.13+) alongside a rare and incredible achievement.

For fifteen days, the ladies sieged the wall, swapping rest days to maximize vertical progression. They battled rotten rock, heady lead falls, and exhaustion, all tracked on their COROS APEX 4.

Read the full story at https://coros.com/stories/more-than-splits/c/sintonia-route-brazil?utm_source=meta&utm_medium=organic_social&utm_content=blog

First it was OCC, then came CCC, now UTMB. 🥇Queen of Chamonix, bravo, Blandine.
08/29/2026

First it was OCC, then came CCC, now UTMB. 🥇

Queen of Chamonix, bravo, Blandine.

Baguettes and bronze for the kid. 🥖Hans Troyer takes 3rd at CCC, earning his place on the podium his first time racing i...
08/28/2026

Baguettes and bronze for the kid. 🥖

Hans Troyer takes 3rd at CCC, earning his place on the podium his first time racing in Chamonix. Something tells us he’s just getting started.

08/27/2026

Third time’s the charm in Chamonix. 🥉

After finishing fourth two years in a row, SARA ALONSO broke onto the podium with a third place finish at OCC.

Finishing just over a minute behind the winner after a nail-biting fight at the front, Sara came through with a time of 6:09:11.

Swipe to take a look at the data behind the performance.

Preparation is the unsung hero of ultraracing, and your best weapon is having all the course, weather, and nutrition det...
08/26/2026

Preparation is the unsung hero of ultraracing, and your best weapon is having all the course, weather, and nutrition details dialed before lining up at the start.

We've teamed up with the sport scientists at ENDURAW to provide Chamonix racers with tactics to have the best race possible.

Tap the link below to learn 5 of ENDURAW's top tips for a smooth race day and see which COROS features can help get you there.
https://coros.com/stories/coros-coaches/c/enduraw-insights?utm_source=meta&utm_medium=organic_social&utm_campaign=utmb&utm_content=endurawcollab

Welcome to the championship of trail racing.COROS athlete is making his Chamonix debut this week, looking to repeat the...
08/24/2026

Welcome to the championship of trail racing.

COROS athlete is making his Chamonix debut this week, looking to repeat the performance that landed him atop the podium at races like Western States and Transgrancanaria. Caleb's approach to 100 miles of alpine trail running is simple: sustainable effort and smart decision-making early.

We asked Caleb which section of the 100-mile course he's most excited about, swipe to see what he said, plus how the COROS Pace Strategy is aiding his decision-making and pace setting throughout the race.

Best of luck to Caleb and every COROS athlete racing this week!

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