Fastest Known Time

The best routes: what are they, who did them, and how fast?

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FKT attempts we're tracking right now. Follow their progress »

Athlete Route Start date Style Status
Benjamin Degreve La "Morvan Express" - traversée du Parc du Morvan (France) Supported Not yet started
Haroldas Subertas John Muir Trail via Whitney Portal (CA) Unsupported DNF
Joe "Stringbean" McConaughy John Muir Trail via Whitney Portal (CA) Supported Complete - New FKT!
Antoine Clément John Muir Trail via Whitney Portal (CA) Supported DNF
Gabriela Aramayo Grande Traversée du Mercantour Supported Complete - New FKT!
Karel Sabbe HexaTrek - crossing France (France) Supported Complete - New FKT!
Sophie Woods Via Alpina (Slovenia, Italy, Austria, Germany, Liechtenstein, Switzerland, France, Monaco) Supported Complete - New FKT!

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  • COSultrarunner:
    Update on September 25, 2026: I attempted to run this route today. The route is currently undoable due to the closure of the Mink Trail on the east side of County Road P51 / N. River Drive. A posted sign indicates flood damage and debris in the… read more »
  • Tarik Gul:
    I unfortunately had to bail after the first day. I thought I could push through the tail end of this cold I had this week, but I was super wrong. Sad, but gets me stoked to give it a shot again next year. :)
  • David Barranger:
    On September 18 and 19, 2026, Hillary Gerardi completed the GR20 in 38h 42 minutes what appears to be the second fastest time by a woman. This challenge was also an opportunity to pay tribute to Kalie McCrystal.
  • Tarik Gul:
    Hey, I will be starting the unsupported thru hike tomorrow 9/25 from coreys road at 7:15am. You can track the attempt here: https://www.corsa.run/stream/ee71764a-d329-4804-a499-7f7bd5fee833 , never used this site before but also tracking via garmin… read more »
  • pcdtrailrunner:
    Planning to give this route a go in a few weeks! October 18, supported. Will be my second time completing any distance over a marathon!