Ultramaraton Ultra-Trail du Mont-Blanc

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024. (Photo by EMMAN...

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run at sunrise in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy on August 31, 2024. (Photo by EMM...

Competitors run with headlamps at dawn in the Combal lake area during the Ultra-Trail du Mont Blanc (UTMB), in Courmayeur, Italy, on August 31, 2024....

French runner Vincent Bouillard leads the race during the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024 (Photo by EMMAN...

French runner Vincent Bouillard leads the race during the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024 (Photo by EMMAN...

French runner Ludovic Pommeret competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNAND...

French runner Baptiste Chassagne competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNA...

French runner Baptiste Chassagne competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNA...

French runner Ludovic Pommeret competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNAND...

German runner Hannes Namberger competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNAND...

German runner Hannes Namberger competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNAND...

Ecuadorian runner Joaquin Lopez competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL DUNAN...

French runner Arthur Joyeux-Bouillon competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL...

French runner Arthur Joyeux-Bouillon competes in the Ultra-Trail du Mont Blanc (UTMB), in Trient, Switzerland, on August 31, 2024. (Photo by EMMANUEL...

French runner Vincent Bouillard waves hands as he crosses the finish line at the end of the Ultra-Trail du Mont Blanc (UTMB) in Chamonix on August 31,...

French runner Vincent Bouillard waves hands as he wins the Ultra-Trail du Mont Blanc (UTMB) in Chamonix on August 31, 2024. (Photo by Emmanuel DUNAND...

French runner Vincent Bouillard celebrates as he crosses the finish line at the end of the Ultra-Trail du Mont Blanc (UTMB) in Chamonix on August 31,...

French runner Vincent Bouillard waves his hand as he crosses the finish line at the end of the Ultra-Trail du Mont Blanc (UTMB) in Chamonix on August...

French runner Vincent Bouillard celebrates with spectators after winning the Ultra-Trail du Mont Blanc (UTMB) in Chamonix, south-eastern France on Aug...

French runner Vincent Bouillard celebrates with spectators after winning the Ultra-Trail du Mont Blanc (UTMB) in Chamonix, south-eastern France on Aug...

French runner Vincent Bouillard celebrates on the finish line after winning the Ultra-Trail du Mont Blanc (UTMB) in Chamonix, south-eastern France on...

French runner Vincent Bouillard hugs his wife after winning the Ultra-Trail du Mont Blanc (UTMB) in Chamonix, south-eastern France on August 31, 2024....

US' athlete Katie Schide waves hands as she celebrates victory while crossing the finish line at the end of the Ultra-Trail du Mont Blanc (UTMB) women...

US' athlete Katie Schide salutes the spectators as she crosses the finish line at the end of the Ultra-Trail du Mont Blanc (UTMB) women's race in Cham...

Australia's John Williamson sits inside the Saint Bernard du Mont-Blanc church prior to take part in the mass start of The Ultra-Trail du Mont-Blanc (...

Competitors gather prior to take part in the mass start of The Ultra-Trail du Mont-Blanc (UTMB), in Chamonix on August 30, 2024. (Photo by EMMANUEL DU...

In this slow shutter speed exposure, competitors are applauded by spectators as they pass through the mass start of The Ultra-Trail du Mont-Blanc (UTM...

Competitors are applauded by spectators as they pass through the mass start of The Ultra-Trail du Mont-Blanc (UTMB) in Chamonix, south-eastern France...

Competitors are applauded by spectators as they pass through the mass start of The Ultra-Trail du Mont-Blanc (UTMB) in Chamonix, south-eastern France...

In this slow shutter speed exposure, competitors are applauded by spectators as they pass through the mass start of The Ultra-Trail du Mont-Blanc (UTM...

Competitors pass through the mass start of The Ultra-Trail du Mont-Blanc (UTMB) in Chamonix, south-eastern France on August 30, 2024. (Photo by EMMANU...

In this slow shutter speed exposure, competitors are applauded by spectators as they pass through the mass start of The Ultra-Trail du Mont-Blanc (UTM...

Competitors pass through the mass start of The Ultra-Trail du Mont-Blanc (UTMB) in Chamonix, south-eastern France on August 30, 2024. (Photo by EMMANU...