[Editor’s Note: Photographer Kirsten Kortebein captured these images of the 2017 UTMB. Please enjoy! All photos: iRunFar/Kirsten Kortebein. Reuse without permission is not permitted.
To learn more about what happened at this year’s UTMB, read our in-depth results article.]

After significant time away from international competition, Spain’s Núria Picas steps back into the arena with UTMB 2017. Photo: iRunFar/Kirsten Kortebein

France’s François D’haene leaves La Fouly, Switzerland in the pre-dawn of Saturday morning, leading UTMB. Photo: iRunFar/Kirsten Kortebein

Moody La Fouly, Switzerland. A wet and cold storm event brought rain to low elevations and snow to the higher parts of the UTMB course. Photo: iRunFar/Kirsten Kortebein

Dylan Bowman, of the USA, rolling toward a seventh-place finish in his first UTMB. Photo: iRunFar/Kirsten Kortebein

Núria Picas running with her children in La Fouly on Saturday morning while leading UTMB. Photo: iRunFar/Kirsten Kortebein

Spain’s Victor Bernad greets his family early Saturday morning. He would go on to finish 23rd. Photo: iRunFar/Kirsten Kortebein

Running far, long, and fast seems something like instinct for Switzerland’s Andrea Huser, who was on her way to her second-straight second-place finish. Photo: iRunFar/Kirsten Kortebein

The USA’s Sage Canaday sneaks a glance during his difficult journey toward the UTMB finish line. He would finish 50th. Photo: iRunFar/Kirsten Kortebein

A moment of inner peace amongst the commotion of the UTMB 2017 finish line in Chamonix, France, for champion François D’haene. Photo: iRunFar/Kirsten Kortebein

François D’haene turns to celebrate with the roaring crowd at the UTMB finish line. Photo: iRunFar/Kirsten Kortebein

François D’haene and Kilian Jornet, of Spain, share a hug after they go one-two at UTMB 2017. Photo: iRunFar/Kirsten Kortebein

After finishing second, Kilian Jornet went back into the finish chute to celebrate with his fans. Photo: iRunFar/Kirsten Kortebein

The USA’s Tim Tollefson goes big to celebrate his second third-place finish in a row at UTMB. Photo: iRunFar/Kirsten Kortebein

Despite a wet, cold night and day on the mountain, France’s Xavier Thévenard smiles wildly as he finishes fourth. Photo: iRunFar/Kirsten Kortebein

Gediminas Grinius ends a painful day with the embrace of his wife and two boys at the UTMB 2017 finish line after finishing ninth. Photo: iRunFar/Kirsten Kortebein

Núria Picas stumbles through Chamonix on her way to the finish line where she would win UTMB 2017. She encountered breathing problems at the end of the race that made running almost impossible and walking difficult. Photo: iRunFar/Kirsten Kortebein

Crowds look on as runners finish UTMB in Chamonix, France on Saturday night. Photo: iRunFar/Kirsten Kortebein

After finishing just three minutes apart in first and second place, respectively, Núria Picas (right) and Andrea Huser enjoy a moment in the spotlight of the UTMB 2017 finish line. Photo: iRunFar/Kirsten Kortebein

An expression of relief for Russia’s Yulia Baykova at the finish line after she finished 14th. Photo: iRunFar/Kirsten Kortebein

The U.K.’s Sophie Grant (left) and the USA’s Stephanie Violett embrace after finishing UTMB together in 15th place. Photo: iRunFar/Kirsten Kortebein