Running News Daily

Age is often seen as the greatest opponent in endurance sports. Yet for François D'Haene, it has become another challenge to conquer.

The legendary French trail runner has once again etched his name into the history books after setting a new supported Fastest Known Time (FKT) on the iconic GR20 in Corsica. Covering approximately 160 kilometers across one of Europe's most demanding mountain trails, D'Haene completed the route in an astonishing 29 hours, 46 minutes and 20 seconds, becoming the first athlete ever to break the elusive 30-hour barrier.

The GR20 stretches diagonally across the Mediterranean island of Corsica from Calenzana in the north to Conca in the south. Renowned for its unforgiving terrain, the route features around 12,000 meters of cumulative elevation gain, with steep ascents, rocky ridges and highly technical descents that have earned it a reputation as Europe's toughest long-distance hiking and trail-running route.

D'Haene began his remarkable journey at 4:30 a.m. on Wednesday, July 8, and reached Conca at 10:16 a.m. the following morning, maintaining an extraordinary pace across nearly 30 hours of relentless climbing and descending. Throughout the effort, a rotating team of pacers accompanied him in accordance with supported FKT guidelines, helping him maintain his rhythm across the brutal mountain course.

His performance erased the previous supported record of 30 hours, 25 minutes, set by Corsican trail specialist Lambert Santelli in 2021. In doing so, D'Haene shaved nearly 40 minutes off a mark many believed would stand for years.

What makes the achievement even more extraordinary is the story behind it. D'Haene first claimed the GR20 record in 2016, running 31 hours and 6 minutes. Several years later, Santelli eclipsed that performance on home soil. Rather than leaving the record behind, D'Haene returned a decade later—not simply to reclaim it, but to redefine what was thought possible.

At 40 years old, he proved that experience, resilience and meticulous preparation can be just as powerful as youthful speed. While many elite endurance athletes begin to slow with age, D'Haene continues to raise the standard, delivering one of the most impressive performances of his already legendary career.

His latest triumph adds another remarkable chapter to a résumé that already includes four Ultra-Trail du Mont-Blanc (UTMB) victories, four Diagonale des Fous titles, and the Hardrock 100 counterclockwise course record. Those accomplishments alone secured his place among trail running's all-time greats. This historic return to the GR20 only strengthens that legacy.

Breaking the 30-hour barrier on one of the world's most unforgiving mountain routes is more than just another record—it is a powerful reminder that greatness is measured not only by talent, but by the willingness to return, evolve and achieve what once seemed impossible.

François D'Haene did exactly that, turning back the clock and once again proving that true champions never stop rewriting history.