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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.

Last One Standing 10K+ Ultra Marathon

Saint George, UT, US · December 11-12, 2026 (in 55 days)
Registration open 102 miles5.3 miles

Last One Standing at Bradley California

Bradley, CA, US · September 18, 2026 (29 days ago)
Ran · this year's race is done. Last One Standing

LATR Backyard Ultra

Indianola, IA, US · September 26-27, 2026 (21 days ago)
Ran · this year's race is done. 4.167 miles

Laurel Highlands Ultra - Fall Classic

Somerset, PA, US · September 26, 2026 (21 days ago)
Ran · this year's race is done. 50 Mile

Leadville Trail 100 Run

Leadville, CO, US · August 21, 2027 (in 308 days)
On the calendar distances not checked yet

Leatherwood Marathons

Ferguson, NC, US · April 3, 2027 (in 168 days)
Registration open 106.97 miles64.15 miles53.15 miles32.1 miles16.35 miles

Leona Divide

Lake Hughes, CA, US · April 17-18, 2027 (in 182 days)
Registration open 99.3 miles63.3 miles51.2 miles30.2 miles17.8 miles

Liberty Park Endurance Runs

Salt Lake City, UT, US · October 24, 2026 (in 7 days)
Registration open 12 hr3 hr6 hr

Libertys Lost Treasure

Guthrie, OK, US · November 7, 2026 (in 21 days)
Registration open 31.2 miles15.6 miles7.8 miles12.5K25K50K5K

Lion King Backyard Ultra

Rolla, MO, US · October 9, 2027 (in 357 days)
Registration open Backyard Ultra

Live Oak Odyssey

Trabuco Canyon, CA, US · November 14, 2026 (in 28 days)
Registration open 3 Hour6 Hour8hrs

Live Oak Ultra

Biloxi, MS, US · January 30, 2027 (in 105 days)
Registration open 31.21 miles13.15 miles

Livingston Oval Ultra

Livingston, NJ, US · March 6, 2027 (in 140 days)
Registration open 12 Hours1hr3hrs6hrs

Llama Experience Ultra

Hendersonville, NC, US · March 13, 2027 (in 147 days)
Registration open 12 Hour3 Hour6 Hour

Locomotion 3/6/12/24 Hour Endurance Event

East Ridge, TN, US · April 24-25, 2027 (in 189 days)
Registration open 12 Hour24 Hour3 Hour6 Hour

Lone Wolf 135

Griffin, GA, US · October 30, 2026 (in 13 days)
Registration open 135 miles

Long Haul 100

Lakeland, FL, US · January 16-17, 2027 (in 91 days)
Registration open 100 Mile12.5 miles

Long Hunter Trail Runs

Hermitage, TN, US · October 10, 2026 (7 days ago)
Ran · this year's race is done. 31.27 miles26.68 miles13.46 miles

Long Play Trail Run

Brooksville, FL, US · March 6, 2027 (in 140 days)
Registration open 33.3 milesHalf Marathon6K

Looking Glass 100k

Pisgah Forest, NC, US · November 14, 2026 (in 28 days)
Waitlist only 62 miles

Lookout Mountain Trail Race

Lookout Mountain, GA, US · December 19, 2026 (in 63 days)
Registration open 50.58 miles18 miles5.71 miles

Loop Out the Year

Lakewood, WA, US · December 26, 2026 (in 70 days)
Registration open 3 Hrs6 Hrs8 Hrs

Lord Hill Trail Run

Monroe, WA, US · February 20, 2027 (in 126 days)
Registration open 30.01 miles19.99 miles10 miles9.99 miles3.3 miles5K

Lost Sierra Endurance Race

Downieville, CA, US · July 23-24, 2027 (in 279 days)
Registration open 63.62 miles31.3 miles16.29 miles7 miles

Lost Souls Trail Run

Smithville, TX, US · October 25, 2026 (in 8 days)
Registration open 10K25K50K5K
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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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