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It might not just be training fatigue, and a simple test can help you get back to your best.

Alongside a blazingly fast race up front at this year's 2025 UTMB Mont-Blanc, thousands of trail runners had the experience of a lifetime. Photographer Jacob Zocherman was at the finish line to capture the highs and lows.

During a chaotic week of high-octane racing, this 300-kilometer event over glaciers and via ferratas remains refreshingly true to the mountain spirit. Chamonix resident and 2025 PTL racer Doug Mayer explains.

Just signed up for a half marathon? Panic training for one you registered for months ago? Here’s how to race 13.1 miles at the last minute.

It’s the golden era of electrolytes. But do you need special products or just a balanced (and salty) diet?

If a picture is worth a thousand words, each stellar photo from our team out on course is worth a million. Enjoy our favorite moments from a wet and wild UTMB.

An Asics prototype dominates the men’s podium, Hoka proves to be the most popular, and non-plated shoes claim second and third fastest shoes in the women’s race at this year’s UTMB Mont-Blanc.

Per usual, this nutty race was carnage. We break down what broke down the favorites.

To get faster, you have to run faster. Here is how to do it.

Using a patient approach and a major push through the second half of a brutal day (and night) of racing, Ruth Croft of New Zealand has won the 2025 UTMB, dethroning three-time champion Courtney Dauwalter. Read how it all played out.