Fastest Known Time - FKT

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

Routes map preview

Tracking Now

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

Athlete Route Start date Style Status
Nathan Longhurst Sierra Peak Section (SPS) (CA, NV) Supported Complete - New FKT!
Kristian Morgan Appalachian Trail (AT) Supported Complete - no FKT
Simen Holvik Self-supported Complete - New FKT!
Joe "Stringbean" McConaughy John Muir Trail (CA) Unsupported Complete - New FKT!

Add your FKTs

Latest FKTs



  • 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
  • Mary_Sketch:
    Planning to make an unsupported/self-supported attempt at the single loop tomorrow for the women's fkt. 
  • christofteuscher:
    Here's the report of our FKT: