Fastest Known Time - FKT and Merrell Test Lab

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
Billy "Wahoo" Meredith Triple Crown of Thru-Hiking (USA) Self-supported In progress
Jenny Hoffman Trans America Run (USA) Supported Complete - New FKT!
Michael Mcknight Arizona Trail (AZ) Supported DNF
Cole Crosby Bay Circuit Trail (MA) Supported Complete - New FKT!
Suzanne "Sunny" Stroeer Arizona Trail (AZ) Supported DNF
Callie Vinson Maricopa Loop (AZ) Supported Complete - New FKT pending verification

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Latest FKTs



  • jhadden23:
    I will attempt this next summer
  • badger66:
    I will be attempting this route on November 26th.....doing it unsupported starting at ludlow Castle finishing at Kington clock tower 😁  
  • James H Leitner:
    Sadly due to incomplete data, it's not looking like an FKT. I only used my SPOT device to track me and when trying to upload the GPX file, the information is incomplete. Still a fun journey. Guess I should of also used my Garmin and/or Strava.
  • mexifast:
    Giff - I've done the route both ways through Chatfield.  The one that follows the exact high line canal goes (almost to) Tower road but you need to go through private property, bushwhack and cross the South Platte in order to connect back to the… read more »
  • mexifast:
    Wanted to give an update on this route:  I rode the Highline canal on my bike to determine where this routes ends.  The old route finishes on the first pass of Picadilly road.  This is the route that all FKTs have been set (~67miles).  However, the… read more »