August Ultras in the USA
Liberty, UT
Skyline Mountain Marathon
Aug 12, 2023
Marquette, MI
Marquette Trail 50
Aug 17, 2024
Aug 16, 2024
Enumclaw, WA
Ragnar Trail Rainier
Aug 23, 2024
Sausalito, CA
Rodeo Valley Trail Run
Aug 5, 2023
Headlands 50M Endurance Run
Aug 10, 2024
Rodeo Beach Trail Run
Aug 10, 2024
Middleton, WI
Run the Hawk Trail Runs
Aug 26, 2023
Portland, OR
Hood To Coast Relay
Aug 23, 2024
Mount Hood, OR
Hood Hundred
Aug 3, 2024
Fairbanks, AK
Drew's Angel Creek 50
Aug 12, 2023
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Aug 31, 2024
Pittsfield, MA
Sweltering Summer Ultra
Aug 12, 2023
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 5, 2023
Utica, NY
Peak to Brew Relay
Aug 12, 2023
Anchorage, AK
Anchorage RunFest
Aug 18, 2024
Aug 17, 2024
Bellingham, WA
Hamster Endurance Runs
Aug 3, 2024
Larrabee Lakes
Aug 10, 2024
Fayetteville, NY
Green Lakes Endurance Runs
Aug 26, 2023
Voorheesville, NY
Thacher Park Trail Running Festival
Aug 20, 2023
Bristol, RI
Anchor Down Ultra
Aug 11, 2023
East Lansing, MI
Run the Bunyan Relay
Aug 10, 2024
Lincoln, NE
Gravel Worlds Land Ho Run
Aug 23, 2024
Duluth, MN
Ragnar Relay Great River
Aug 11, 2023
Cedar Hill, TX
Blazin' Summer Sufferfest
Aug 3, 2024
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
Newport, OR
Tufted Puffin Endurance Run
Aug 5, 2023
Fairmont, WV
Wild Turkey 50K 25K and 8 Miler
Aug 17, 2024
San Jose, CA
Almaden Hills Trail Run
Aug 17, 2024
Powell, OH
Nocterra Quitter's Run
Aug 13, 2023
Lake Tahoe, NV
Marlette 50K
Aug 11, 2024
Middletown, OH
Steel City 12 Hour Run/Ruck
Aug 17, 2024
Minneapolis, MN
Ragnar Relay Great River
Aug 11, 2023
Stowe, VT
100 on100 Relay
Aug 10, 2024
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Mill Valley, CA
Tamalpa Headlands 50K
Aug 17, 2024
Vonore, TN
Fort Frenzy Ultra Festival
Aug 12, 2023
Steamboat Springs, CO
Continental Divide Trail Run
Aug 26, 2023
Wild West Relay
Aug 2, 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 12, 2023
Lincoln, RI
RiMaConn Relay
Aug 26, 2023
Phoenixville, PA
Phoenixville XC: Miles for Cancer 6-Hour Relay & Ultra
Aug 12, 2023
Wilmington, NY
Peak to Brew Relay
Aug 12, 2023
New London, WI
Mosquito Hill Endurance Run
Aug 17, 2024
Pennsauken, NJ
Loopy Looper
Aug 3, 2024
Cleburne, TX
Six-O Trail Run
Aug 31, 2024
Manistee, MI
North Country Trail Run
Aug 24, 2024
Aug 25, 2024
Louisville, KY
Run for Dreams
Aug 5, 2023
Delafield, WI
Badgerland Striders 24-12-6 Hour Runs
Aug 31, 2024
Berea, KY
Bluegrass Reaper Challenge
Aug 3, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
Lakewood, OH
Hell on Hogsback: Endurance Challenge
Aug 26, 2023
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 3, 2024
Bountiful, UT
Elephant Rock Trail Run
Aug 12, 2023
Oakridge, OR
Waldo 100K
Aug 3, 2024
Oregon 200
Aug 23, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Brookville, PA
Baker Trail UltraChallenge
Aug 24, 2024
Morris, IL
Anybody 5K
Aug 18, 2023
Aug 19, 2023
West Yellowstone, MT
Yellowstone Trail Race
Aug 3, 2024
Aug 4, 2023
Edwardsville, IL
Watershed Endurance 6H 3H Runs
Aug 10, 2024
Billings, MT
REVENANT
Aug 12, 2023
Pensacola, FL
Wildcat Ultras
Aug 31, 2024
Waddell, AZ
Vertigo Night Runs
Aug 10, 2024
Juneau, AK
Nifty Fifty
Aug 12, 2023
Ann Arbor, MI
Run the Bunyan Relay
Aug 10, 2024
Danville, IL
Howl at the Moon 8 Hour Run
Aug 12, 2023
Leadville, CO
Leadville Trail 100 Mile Run
Aug 17, 2024
Oakland, CA
Redwood (Summer) Trail Run
Aug 10, 2024
Castro Valley, CA
Skyline 50K
Aug 4, 2024
Merrill, WI
Underdown Trail Races
Aug 17, 2024
Fairplay, CO
Sheep Mountain Ultras
Aug 3, 2024
Wendover, UT
Dusk to Dawn Relay Race
Aug 30, 2024
King George, VA
Dahlgren Heritage Rail Trail 50K
Aug 3, 2024
Waynesville, MO
Bad Dawg Ultra
Aug 17, 2024
Volcano, HI
Time for Wine
Aug 20, 2023
Bruceton Mills, WV
Ragnar Trail Relay - Appalachians
Aug 9, 2024
Brandon, MS
Death By 5K
Aug 26, 2023
Dover, OH
Tuscazoar Endurance Race
Aug 31, 2024
Buckeye, AZ
Jackrabbit Jubilee
Aug 24, 2024
Manchester, TN
A Race for the Ages
Aug 31, 2023
Ludlow, VT
100 on100 Relay
Aug 10, 2024
Windham, ME
Firebird Trail Races
Aug 24, 2024
La Grande, OR
Elkhorn Relay
Aug 10, 2024
Campbellsville, KY
The Possum Night Run
Aug 19, 2023
Bolivar, OH
5 Lakes Ultra Race
Aug 5, 2023
Galena, OH
Red Moon Trail Runs
Aug 12, 2023
Belleville, WI
Badger Trail Races
Aug 3, 2024
Aug 4, 2024
Long Grove, IA
ScoCo50
Aug 26, 2023
Danbury, NH
Ragged 75 Stage Race and 50K
Aug 2, 2024
Custer, SD
Lean Horse
Aug 17, 2024
Aug 18, 2024
Island Park, ID
Harriman Park 25K/50K
Aug 26, 2023
Cloudcroft, NM
Cloudcroft Ultra Trail Race
Aug 17, 2024
Cat Spring, TX
Habanero Hundred
Aug 12, 2023
Cimarron, NM
Philmont Trail Race
Aug 12, 2023
Booneville, IA
Booneville Backroads Ultra
Aug 31, 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 5, 2023
Naples, NY
Twisted Branch Trail Run
Aug 24, 2024
Mendocino, CA
Mendocino Running Festival
Aug 31, 2024
Cassadaga, NY
Frickin Hot 50K
Aug 3, 2024
Waterville, PA
Eastern States 100
Aug 10, 2024
Fort Collins, CO
Wild West Relay
Aug 2, 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 5, 2023
Aug 6, 2023
Newhalem, WA
North Cascade Traverse
Aug 7, 2024
Aug 8, 2024
Smicksburg, PA
Baker Trail UltraChallenge
Aug 24, 2024
Kalaheo, HI
The Kauai 50
Aug 3, 2024
Cooke City, MT
Prospector's 50K
Aug 10, 2024
Aug 11, 2024
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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. Wild West Relay
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Aug 2, 2024Friday
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200M relay
More Information
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startFort Collins, COfinishSteamboat Springs, CORoutt County, COLarimer County, CO
3. 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
4. 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
5. 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
6. Bluegrass Reaper Challenge
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Aug 3, 2024Saturday
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50K, 26.2M, 13.1M, 10K, 2.6M run | last man standing | 26.2M relay
More Information
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Berea, KY
Madison County, KY
7. Capt'n Karl's Trail Series - Colorado Bend
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Aug 3, 2024Saturday
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60K, 30K, 20K, 10K trail run
More Information
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Bend, TX
San Saba County, TX
8. 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
9. Frickin Hot 50K
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Aug 3, 2024Saturday
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50K run
More Information
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Cassadaga, NY
Chautauqua County, NY
10. 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
11. Hatcher Pass 50 Mile, Marathon and Relay
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Aug 3, 2024Saturday
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50M, 26M run | 50M, 26M relay
More Information
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Willow, AK
Matanuska-Susitna County, AK
12. 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
13. 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
14. Kirkwood's Ultras
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Aug 3, 2024Saturday
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50K, 26.2M, 30K, 25K, 13.1M, 8M, 10K, 5K trail run
More Information
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Kirkwood, CA
El Dorado County, CA
15. Loopy Looper
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Aug 3, 2024Saturday
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24H, 101M, 12H run
More Information
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Pennsauken, NJ
Camden County, NJ
16. Sheep Mountain Ultras
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Aug 3, 2024Saturday
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50M, 50K trail run
More Information
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Fairplay, CO
Park County, CO
17. The Kauai 50
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Aug 3, 2024Saturday
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50M run
More Information
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Kalaheo, HI
Kauai County, HI
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.