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
Robert Sullivan Arizona Trail (AZ) Unsupported DNF
Candice Burt Arizona Trail (AZ) Supported DNF
Tyler Andrews Lukla to Everest Base Camp (Nepal) Self-supported Complete - new FKT!

Add your FKTs

Latest FKTs



  • adrianspencer:
    Hypothetically, would a runner who crossing the Potomac along the railroad bridge and not the destroyed pedestrian bridge but adhered to all other elements of the traditional route, be awarded an official FKT? Or is this one on ice until they put… read more »
  • TylerCAndrews:
    Hello world! As announced on social media, I will be attempting this route ROUND TRIP starting at 00:00am on March 16, 2020. The current FKT (not listed here) is by Pemba Sherpa and is 30h00 from around 2010, according to various corroborated local… read more »
  • Buzz Burrell:
    Right; good comment. Front-pointing needs crampons and a stiff sole. For non-front-pointing in cold weather, try Gore-Tex running shoes which are significantly warmer; if really cold put in chemical heat packs (need to size up for that).  This is… read more »
  • marcy_beard:
    Thanks for the (unexpected) shout-out on the podcast.  Wanted to make mention of Haleakala on Maui as another big single 10K climb that is also an FKT.  You never forget your first :)
  • seano:
    I'm not sold on the utility of microspikes for more than icy trail-running around Boulder, but Kahtoola's KTS crampons are a real game-changer.  The only times I still use boots in the mountains are when it's really cold (but I could probably up-… read more »