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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.

DDLM Endurance Run

South Beach, OR, US · October 23-25, 2026 (in 6 days)
Registration open 12hrs24-Hour Team Relay24hrs48-Hour Team Relay48hrs6hrs

Dead Horse Ultra

Moab, UT, US · November 14, 2026 (in 28 days)
Registration open 50 Mile50K30K15K

Dead Last Ultra

Sutton, MA, US · October 24, 2026 (in 7 days)
Full Backyard Ultra

Deadman Peaks Trail Run

Cuba, NM, US · November 7, 2026 (in 21 days)
Registration open 53 miles8 miles30K55K

Deja Vu

Las Vegas, NV, US · April 3, 2027 (in 168 days)
Registration open 31.83 miles

Delirium Ultra 24 Hour Run

Beaufort, SC, US · October 24-25, 2026 (in 7 days)
Registration closed 12hrs24hrs6hrs

Des Plaines River Trail Races

Lake County, IL, US · October 10, 2026 (7 days ago)
Ran · this year's race is done. 50 Mile50K26.2 miles13.2 miles

Desert Peak Ultra

Oracle, AZ, US · April 10-11, 2027 (in 175 days)
Registration open 62.5 miles32.6 miles

Desert RATS Trail Running Festival by UTMB

Fruita, Colorado, US · April 8-11, 2027 (in 173 days)
Registration open 100K48K

Desert Solstice Track Invitational

Phoenix, AZ, US · December 19-20, 2026 (in 63 days)
Registration open 24 Hour / 100 Mile

Desert Wolf

Johnson City, TX, US · May 1, 2027 (in 196 days)
Registration open 15.5 miles7.73 miles3.11 miles100K50K

Devil Dog Ultras

Triangle, VA, US · December 5-6, 2026 (in 49 days)
Registration open 103.66 miles63.48 miles31.77 miles

Devil on the Divide

Empire, CO, US · September 12, 2026 (35 days ago)
Ran · this year's race is done. 14 miles

Devils Den Ultra

Bradford, VT, US · October 10-11, 2026 (7 days ago)
Ran · this year's race is done. 12 Hour30-Hour

Devils Gulch

Wenatchee, WA, US · July 10-11, 2027 (in 266 days)
Registration open 100.74 miles49.87 miles11.76 miles

Devils Shadow Winter Trail Races

Honeoye Falls, NY, US · February 6, 2027 (in 112 days)
Registration open 30.6 miles15.3 miles5 miles

Diablito 50/50

Springfield, LA, US · July 24, 2027 (in 280 days)
On the calendar 50 Mile50K

Dick Collins Firetrails

Castro Valley, CA, US · September 26, 2026 (21 days ago)
Ran · this year's race is done. 62.85 miles50.77 miles26.41 miles

Dinged to Blads Trail Runs

Helena, MT, US · September 19, 2026 (28 days ago)
Ran · this year's race is done. 31.57 miles

Dinosaur Valley Endurance Run

Glen Rose, TX, US · November 21-22, 2026 (in 35 days)
Registration open 31.5 miles100 Mile100K25K5 miles

Dirty German Endurance Fest

Philadelphia, PA, US · May 8, 2027 (in 203 days)
Registration open 25K50 Mile50K

Dizzy Daze

Seattle, WA, US · March 27, 2027 (in 161 days)
Registration open 12hrs5hrs

Dizzy Fifties

Huntsville, AL, US · November 21, 2026 (in 35 days)
Registration open 30 miles20 miles10 miles

Dogwood Ultra Marathons

Green Bay, VA, US · March 18-21, 2027 (in 152 days)
Registration open 24 Hour Hiker24hrs48 Hour Hiker48hrs72 Hour72 Hour Hiker

Dont Die in the Chair Last Man Standing

Rome, GA, US · March 20, 2027 (in 154 days)
Registration open Last One Standing
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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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