Fastest Known Time

Boulder, Colorado

https://fastestknowntime.com/

The best routes: what are they, who did them, and how fast? Tracking the Fastest Known Times on foot over important terrain around the world.

10,553 members

and 10550 others

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Pablo DG

July 5, 2026 at 10:57 AM

When in Bilbao, go and have a crack at this route!

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Kevin Cody

June 18, 2026 at 11:11 AM

Anyone know how we can report posts directly to Strava? I hope no one is dumb enough to believe the people selling concert tickets on here. ...

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Ryan Bland

June 15, 2026 at 4:06 PM

Every please join this club/challenge it wont let me show the link but its called run to shrek. Our goal is to get 10 billion miles before 2067 so we need a couple thousand more people for it to be possible. Pl...

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Bill Stahl

June 8, 2026 at 12:52 PM

Come join us for the American Heroes Run, founded by David Clark to honor military veterans and service people, first responders, and the li...

Bob Stewart

May 21, 2026 at 11:15 AM

My Unsupported Benton MacKaye FKT is official. If you'd like to read my trip report or watch the documentary video I created of the attempt, both links are in the activity below. strava strips links in activity...

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Bob Stewart

May 15, 2026 at 5:14 AM

Benton MacKaye Trail Unsupported FKT - 289.7 Miles - 5 days 5 hours 20 minutes - pending verification

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Chris Deming

May 3, 2026 at 5:39 PM

Trans Connecticut Shoreline Route

This route doesn't have any runs submitted on it yet. Listed at 114 miles, it looks daunting for a single run. But over the years, I have run chunks of it in sequence, bit by bit. Finally, I took care of the...

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Jonathan Hershman

April 8, 2026 at 1:09 PM

Founding Athlete Testers Needed: Free Oura ring w/ 1 year subscription

Hey FKT-ers! My company is looking for a dedicated group of endurance athletes for a field test on a new lung health product that is currently being used by Olympic Runners and Ironman World Champions....

Garrett Conway

April 5, 2026 at 10:56 AM

After much debate and deep thought, I've made my first submission to FKT. Although I am under no delusion that I am the fastest to ever do t...

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Rutger Wagenaar

April 5, 2026 at 7:06 AM

FKT Noardlike Fryske Wâlden...

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Brandon Mccluskey (M27)

March 25, 2026 at 10:32 AM

FASTEST KNOWN TIME

Brian Glassey

February 19, 2026 at 9:22 AM

Hi Everyone! On my podcast called “The Classic Running Podcast”, professional mountain runner Jackson Cole talked about some really cool FKT...

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Brandon Mccluskey (M27)

January 1, 2026 at 6:35 PM

New FKT YouTube video is up!

Brandon Mccluskey (M27)

December 29, 2025 at 5:37 PM

Fastest Known Time (Unsupported)...

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Brandon Mccluskey (M27)

December 21, 2025 at 5:19 PM

FASTEST KNOWN TIME (Self-supported)

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Hunter Daugherty

December 21, 2025 at 9:32 AM

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Hunter Daugherty

December 17, 2025 at 11:17 PM

Hunter Daugherty

December 14, 2025 at 1:17 AM

Tom Ballew Ⓥ

December 7, 2025 at 5:32 PM

Who believes this nonsense, and why would anyone knowingly give it kudos? “Well, my son’s dead, so I’m selling his stuff.” Unbelievable. Tru...

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Hunter Daugherty

December 3, 2025 at 12:04 PM

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