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Ultras

Ultras, and what they ask of you

Cutoffs, crew access, drop bags, and where your people can park. Nothing here needs an account.
Free, and always will be. NavRun makes money from race-day planning for runners who want it, never from this. Ultras change constantly, sometimes the morning of. Always confirm with the race director and the official website before you rely on anything here.
Not sure which one yet? Watch one first. Course previews and films, made by people who were out there.
883 races

Every race we hold Twenty five at a time. Search a race by its name, or by the name it used to have.

The Next Loop Endurance Weekend | 01/01/27

St. Louis, MO, US · January 1-3, 2027 (in 76 days)
Registration open 100 Mile50 Mile100K50KThe Next 12 Hour ChallengeThe Next 48 Hour ChallengeThe Next Loop Endurance Series

The Peak 50K, Marathon & Half Marathon

Julian, CA, US · October 17, 2026 (today)
Registration open MarathonHalf Marathon50K

The Ranch 50k

Escondido, CA, US · February 13, 2027 (in 119 days)
Registration open 31.2 milesHalf Marathon

The Raven 24-Hour

Mount Pleasant, SC, US · February 6, 2027 (in 112 days)
Full 24hrs

The Rendezvous Goat

Purlear, NC, US · March 20, 2027 (in 154 days)
Registration open 31.47 miles15.73 miles3.93 miles

The Ripper - Sunrise to Sunset

Pocomoke, MD, US · May 8, 2027 (in 203 days)
Registration open 14hrs

The Sand Monster

Columbia, SC, US · March 21, 2027 (in 155 days)
Registration open 6Hrs

The Shippey Endurance Runs

High Ridge, MO, US · January 16-17, 2027 (in 91 days)
Registration open 100 miles60 miles42.06 miles31 miles20 miles15.5 miles

The Skyline Scramble

Topeka, KS, US · March 6, 2027 (in 140 days)
Registration open 2.15 miles12 HR3HR6HR

The Sticks

Norton, KS, US · May 27-30, 2027 (in 222 days)
Registration open 12 Hour24 Hour48 Hour6 Hour72 Hour

The Stuffed Turkey Endurance Races

Granger, IA, US · November 21-22, 2026 (in 35 days)
Registration open 100 Mile50 Mile10 miles50K

The Swamp Fox Ultra

McClellanville, SC, US · March 6-7, 2027 (in 140 days)
Registration open 100 Mile50 MileHalf Marathon50K

The Tennessee Mile

Franklin, TN, US · December 4-6, 2026 (in 48 days)
Registration open 12hrs24hrs3 hrs40 Hour6 Hour8 Hour Night

The Tick

Alexander springs Florida, FL, US · May 1, 2027 (in 196 days)
Registration open 57.41 miles

The Ultra Bird 12hr and 6hr Trail Races

West Olive, MI, US · October 10, 2026 (7 days ago)
Ran · this year's race is done. 10K12HR Ruck12hrs5K6hrsRuck 3HRRuck 6HR

The Wasatch Yard

Park City, UT, US · October 23, 2026 (in 6 days)
Registration open Backyard ultra

The Wicked Biskit

Lowell, NC, US · May 22, 2027 (in 217 days)
Registration open 25K50K5K

The Wicked Windstone

Columbia Cross Roads, PA, US · October 17, 2026 (today)
Registration open 99.2 miles62 miles31 miles5K

The Yeti 100 Mile Endurance Run

Abingdon, VA, US · September 24, 2027 (in 342 days)
On the calendar 100 Mile

Thelma and Louise Marathon and Half

Moab, UT, US · April 24, 2027 (in 189 days)
Registration open 31 miles26 miles13 miles9 miles

This aint your Mothers 50k & Trail Marathon

Middleburg, FL, US · January 31, 2027 (in 106 days)
Registration open Marathon12K50K7K

Three Corner Rock PCT Trail Races

Carson, WA, US · September 12, 2026 (35 days ago)
Ran · this year's race is done. 31.27 miles

Three Days of Syllamo

Fifty-Six, AR, US · March 19-21, 2027 (in 153 days)
Registration open 94 miles50 Mile20K50K

Three Sisters Skyline

Sisters, OR, US · September 18, 2027 (in 336 days)
On the calendar Half Marathon50K

THUNDER KISS 100M/100K and 20 Miler

Sterrett, AL, US · March 13, 2027 (in 147 days)
Registration open 100 Mile20 miles100K
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How this gets better. Every race here was read off the race's own pages and sourced fact by fact. Where nobody has checked something, it says so instead of guessing.
See something wrong or out of date? Open the race and use the form at the bottom of its page.
Are you the race director? The same page has a form that comes straight to us, and we write back.
Anything else: [email protected]
Got one on the calendar?

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