Fastest Known Time

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

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Tracking Now

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

Athlete Route Start date Style Status
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!