August Ultra Trail Runs in the USA
Liberty, UT
Skyline Mountain Marathon
Aug 12, 2023
Marquette, MI
Marquette Trail 50
Aug 17, 2024
Aug 16, 2024
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
Headlands 50M Endurance Run
Aug 10, 2024
Rodeo Beach Trail Run
Aug 10, 2024
Middleton, WI
Run the Hawk Trail Runs
Aug 24, 2024
Mount Hood, OR
Hood Hundred
Aug 3, 2024
Fairbanks, AK
Drew's Angel Creek 50
Aug 3, 2024
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Aug 31, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 3, 2024
Bellingham, WA
Hamster Endurance Runs
Aug 3, 2024
Fayetteville, NY
Green Lakes Endurance Runs
Aug 24, 2024
Voorheesville, NY
Thacher Park Trail Running Festival
Aug 25, 2024
Bend, OR
Oregon Cascades 100
Aug 24, 2024
Lincoln, NE
Gravel Worlds Land Ho Run
Aug 23, 2024
Cedar Hill, TX
Blazin' Summer Sufferfest
Aug 3, 2024
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
Fairmont, WV
Wild Turkey 50K 25K and 8 Miler
Aug 17, 2024
San Jose, CA
Almaden Hills Trail Run
Aug 17, 2024
Lake Tahoe, NV
Marlette 50K
Aug 11, 2024
Southern Pines, NC
Weymouth Woods 25K 50K Trail Run
Aug 31, 2024
Bethel, OH
East Fork 100M/100K
Aug 24, 2024
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Vonore, TN
Fort Frenzy Ultra Festival
Aug 12, 2023
Steamboat Springs, CO
Continental Divide Trail Run
Aug 24, 2024
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 3, 2024
Buena Vista, CO
TransRockies Run
Aug 12, 2024
Salem, OR
Angry Owl Ultramarathons
Aug 10, 2024
New London, WI
Mosquito Hill Endurance Run
Aug 17, 2024
Muir Beach, CA
Tamalpa Headlands 50K
Aug 17, 2024
Cleburne, TX
Six-O Trail Run
Aug 31, 2024
Manistee, MI
North Country Trail Run
Aug 24, 2024
Aug 25, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
Jackson, MI
Pines To Vines 55K
Aug 11, 2024
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 3, 2024
Bountiful, UT
Elephant Rock Trail Run
Aug 10, 2024
Oakridge, OR
Waldo 100K
Aug 3, 2024
Oregon 200
Aug 23, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Aug 25, 2024
West Yellowstone, MT
Yellowstone Trail Race
Aug 3, 2024
Aug 4, 2023
Waddell, AZ
Vertigo Night Runs
Aug 10, 2024
Juneau, AK
Nifty Fifty
Aug 10, 2024
Leadville, CO
Leadville Trail 100 Mile Run
Aug 17, 2024
Oakland, CA
Redwood (Summer) Trail Run
Aug 10, 2024
Merrill, WI
Underdown Trail Races
Aug 17, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 3, 2024
King George, VA
Dahlgren Heritage Rail Trail 50K
Aug 3, 2024
Harpers Ferry, WV
Miner's Lady 8 Hour Endurance Race
Aug 17, 2024
Volcano, HI
Time for Wine
Aug 18, 2024
Dover, OH
Tuscazoar Endurance Race
Aug 31, 2024
Buckeye, AZ
Jackrabbit Jubilee
Aug 24, 2024
Rocksprings, TX
J&J Race & Trail Running Reunion
Aug 30, 2025
Windham, ME
Firebird Trail Races
Aug 24, 2024
Campbellsville, KY
The Possum Night Run
Aug 19, 2023
North Bonneville, WA
Three Corner Rock PCT 50K
Aug 31, 2024
Bolivar, OH
5 Lakes Ultra Race
Aug 5, 2023
Annandale, MN
Eddy Trail Races
Aug 10, 2024
Belleville, WI
Badger Trail Races
Aug 3, 2024
Aug 4, 2024
Creede, CO
Creede Mountain Run
Aug 31, 2024
Long Grove, IA
ScoCo50
Aug 24, 2024
Danbury, NH
Ragged 75 Stage Race and 50K
Aug 2, 2024
Custer, SD
Lean Horse
Aug 16, 2024
Aug 17, 2024
Island Park, ID
Harriman Park 25K/50K
Aug 17, 2024
Cloudcroft, NM
Cloudcroft Ultra Trail Race
Aug 17, 2024
Lennox, SD
Blood Run
Aug 31, 2024
Cat Spring, TX
Habanero Hundred
Aug 24, 2024
Cimarron, NM
Philmont Trail Race
Aug 3, 2024
Mount Saint Helens, WA
Volcanic 50
Aug 3, 2024
Aug 4, 2024
Bigfoot 200
Aug 9, 2024
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 3, 2024
Naples, NY
Twisted Branch Trail Run
Aug 24, 2024
Waterville, PA
Eastern States 100
Aug 10, 2024
Forest City, IL
Temptation 200 Ultras
Aug 31, 2024
Sep 1, 2024
La Sal, UT
UTE 100
Aug 24, 2024
Newmanstown, PA
RunPA Trail Jamboree
Aug 3, 2024
Aug 4, 2024
Newhalem, WA
North Cascade Traverse
Aug 7, 2024
Aug 8, 2024
Cooke City, MT
Prospector's 50K
Aug 10, 2024
Aug 11, 2024
Summerville, PA
Baker Trail UltraChallenge
Aug 24, 2024
Hays, MT
Swift Bear Trail Run
Aug 10, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Ragged 75 Stage Race and 50K
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Aug 2, 2024Friday
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75M, 50K trail run
More Information
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Danbury, NH
Merrimack County, NH
2. Angeles Crest 100 Mile Endurance Run
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Aug 3, 2024Saturday
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100M trail run
More Information
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Wrightwood, CA
San Bernardino County, CA
3. Badger Trail Races
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Aug 3, 2024Saturday
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100M, 100K trail run
More Information
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Belleville, WI
Dane County, WI
4. Blazin' Summer Sufferfest
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Aug 3, 2024Saturday
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54K, 36K, 18K, 10K, 5K trail run
More Information
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Cedar Hill, TX
Dallas County, TX
5. Capt'n Karl's Trail Series - Colorado Bend
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Aug 3, 2024Saturday
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60K, 30K, 20K, 10K, 5K, 1M trail run
More Information
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Bend, TX
San Saba County, TX
6. Dahlgren Heritage Rail Trail 50K
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Aug 3, 2024Saturday
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50K trail run
More Information
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King George, VA
King George County, VA
7. Drew's Angel Creek 50
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Aug 3, 2024Saturday
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50M, 50K trail run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
8. Hamster Endurance Runs
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Aug 3, 2024Saturday
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32H, 24H, 12H, 6H trail run
More Information
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Bellingham, WA
Whatcom County, WA
9. Hood Hundred
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Aug 3, 2024Saturday
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100M trail run
More Information
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Mount Hood, OR
Hood River County, OR
10. HURL Elkhorn Endurance Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Montana City, MT
Jefferson County, MT
11. Kat'cina Mosa 100K Mountain Run
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Aug 3, 2024Saturday
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100K trail run
More Information
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Springville, UT
Utah County, UT
12. Kirkwood's Ultras
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CancelledAug 3, 2024Saturday
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50K, 26.2M, 30K, 25K, 13.1M, 8M, 10K, 5K trail run
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Kirkwood, CA
El Dorado County, CA
13. Philmont Trail Race
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Aug 3, 2024Saturday
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50M, 26M, 30K, 8M trail run
More Information
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Cimarron, NM
Colfax County, NM
14. Rodeo Valley Trail Run
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Aug 3, 2024Saturday
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50K, 30K, 13.1M, 8K trail run
More Information
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Sausalito, CA
Marin County, CA
15. RunPA Trail Jamboree
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Aug 3, 2024Saturday
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24H, 12H, 6H, 3H trail run
More Information
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Newmanstown, PA
Lebanon County, PA
16. Sheep Mountain Trail Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Fairplay, CO
Park County, CO
17. Trail of the Dragon 50K/50M
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Aug 3, 2024Saturday
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50M, 50K trail run
More Information
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Ida Grove, IA
Ida County, IA
18. Volcanic 50
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Aug 3, 2024Saturday
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50K trail run
More Information
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Mount Saint Helens, WA
Skamania County, WA
19. Waldo 100K
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Aug 3, 2024Saturday
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100K trail run
More Information
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Oakridge, OR
Lane County, OR
20. Yellowstone Trail Race
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Aug 3, 2024Saturday
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50K, 25K, 10K run | trail run
More Information
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West Yellowstone, MT
Gallatin County, MT
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.