Fastest Known Time - FKT and Merrell Test Lab

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
Bob Stewart Tuscarora Trail (PA, MD, WV, VA) Unsupported Complete - New FKT!
Billy "Wahoo" Meredith Triple Crown of Thru-Hiking (USA) Self-supported In progress

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Latest FKTs



  • 100milekyle:
    I intend to run this starting Thursday night, august 18th.
  • cogburner:
    Ben Nephew and I ran this yesterday just as a fun run. FYI the course is much harder to follow now due to recent logging and lack of signage, despite fancy GPS watches with the course loaded on them. It is still a great loop, just as a tip consider… read more »
  • Jeff Browning:
    What an amazing loop! Unsupported attempt of 22:00:07. Start/Finish was clockwise from Cougar Rock. Fell off pace on Ryan's FKT splits, knew it wasn't the day and cruised the last 50K. First time on the loop. Few route finding issues in drainages,… read more »
  • christofteuscher:
    On Tue, Aug 16, 2022, I will attempt a solo, unsupported, single (90mi) and out & back (180mi) Fastest Known Time (FKT) of the Arctic Circle Trail (ACT) in Greenland. More info:… read more »
  • kcusick:
    Life takes unexpected twists. I was supposed to run ES100 tomorrow  but need to stay close to home, so I am giving one of my all-time favorites another try. Going south to north, self-supported