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



  • gerritvano:
    Planned start: June 22, 2021 at 8:00 p.m.
  • seth:
    New FKT from route website ( of 9 days 19 hours by Mike Greenleaf. "Although he was not aiming to break any records, it appears that this is currently the fastest known time (FKT) for the walk at 9 days and 19 hours,… read more »
  • Sigi Iro:
    Hatte heute einen FKT-Versuch unternommen. Leider bin ich nach 2 km (mit max Puls) falsch abgebogen, dann durch den Wald, aber konnte die Strecke nicht mehr finden. Vorsicht an dieser Stelle ist der Track sehr ungenau und die Zeichen nicht immer… read more »
  • Ethan Hardacre:
    Hi Everyone! I put this route on the calendar for July 13th, 2021. I think I'll end up doing a supported out 'n back attempt. Does any one know if I have to do it from the upper trail head? I think I'd like to start from the lower one if that's cool… read more »
  • laucenci:
    hi, i'm setting out in a couple hours today to set an unsupported FKT on this loop! I'll be starting and ending at the Jo Hays vista parking lot.