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 In progress
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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  • 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!
  • Patrick D Walsh:
    I believe there’s a unit error here, this route should be around 32 miles, not km. Is it possible to have someone update this? 
  • Adrien Sapina:
    Edit: The day after setting the Fastest KNOWN Time, I got a dm from Taylor Sullivan saying that the fastest time is 1:13 (2018) and that a few other people set 1h16. They did not use Strava because they didn't know the app existed. I applied my time… read more »