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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  • usfgal:
    Thank you! I did it! I struggled more than I thought I would (overnight and on day 2), but I really enjoyed it! The leaves were pretty, and I thought the scenery was nice.
  • aithurburn:
    Starting my sobo Supported FKT attempt Thursday 10/16/25 at or around 6:00am.  Pumped to soak up some time on the beautiful Pinhoti and hopefully set a record along the way! I will be tracking with a Garmin InReach as well as my Coros watch. … read more »
  • Bernie:
    Its time for fastestknowntime.com to implement age groups. Starting with the "Premier Routes". Would make it much more interesting.
  • RidgeRambler:
    What an incredible effort that truly captures the spirit and stoke of the Flatiron scrambling community. Caleb's dedicated to rehearsal and mastery of each route is unparalleled and not to be diminished by the 'supported' category. Can't wait for… read more »
  • Andrew Boyd:
    I will be attempting to break the supported out and back on the LHHT starting at 7am EST on Saturday 10/18/2025.