August Ultras in the USA
Marquette, MI
Marquette Trail 50
Aug 16, 2025
Aug 15, 2025
Enumclaw, WA
Ragnar Trail Rainier
Aug 22, 2025
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
Portland, OR
Hood To Coast Relay
Aug 22, 2025
Mount Hood, OR
Wy'east Trailfest
Aug 9, 2025
Aug 10, 2025
Fairbanks, AK
Drew's Angel Creek 50
Aug 3, 2024
Saint Paul, MN
Ragnar Road Minnesota
Aug 8, 2025
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Aug 30, 2025
Pittsfield, MA
Sweltering Summer Ultra
Aug 10, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 2, 2025
Montclair, NJ
Montclair Mile
Aug 7, 2024
Wichita, KS
Summer Sizzler
Aug 2, 2025
Utica, NY
Peak to Brew Relay
Aug 10, 2024
Belmont, NC
Rocky Branch Ultra
Aug 16, 2025
Anchorage, AK
Anchorage RunFest
Aug 17, 2025
Aug 16, 2025
Bellingham, WA
Hamster Endurance Runs
Aug 2, 2025
Larrabee Lakes
Aug 9, 2025
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 23, 2025
Bristol, RI
Anchor Down Ultra
Aug 9, 2024
Lincoln, NE
Gravel Worlds Run Series
Aug 22, 2025
Cedar Hill, TX
Blazin' Summer Sufferfest
Aug 2, 2025
Crested Butte, CO
Grand Traverse Mountain Run
Aug 30, 2025
Newport, OR
Tufted Puffin Endurance Run
Aug 3, 2024
Fairmont, WV
Wild Turkey Trail Runs
Aug 17, 2024
San Jose, CA
Almaden Hills Trail Run
Aug 16, 2025
Englewood, OH
Another Dam 50K
Aug 18, 2024
Powell, OH
Nocterra Quitter's Run
Aug 11, 2024
Lake Tahoe, NV
Marlette 50K
Aug 11, 2024
Middletown, OH
Steel City 12 Hour Run/Ruck
Aug 9, 2025
Bangor, ME
Red Shoe 5K Run
Aug 10, 2024
Bethel, OH
East Fork 100M/100K
Aug 23, 2025
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Vonore, TN
Fort Frenzy Ultra Festival
Aug 10, 2024
Steamboat Springs, CO
Continental Divide Trail Run
Aug 24, 2024
Wild West Relay
Aug 1, 2025
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 9, 2025
Buena Vista, CO
TransRockies Run
Aug 4, 2025
Salem, OR
Angry Owl Ultramarathons
Aug 10, 2024
Lake Placid, NY
Lake Placid Trail Challenge
Aug 10, 2024
Pennsauken, NJ
Loopy Looper
Aug 2, 2025
Muir Beach, CA
Tamalpa Headlands 50K
Aug 16, 2025
Cleburne, TX
Six-O Trail Run
Aug 31, 2025
Manistee, MI
North Country Trail Run
Aug 23, 2025
Aug 24, 2025
Delafield, WI
Badgerland Striders 24-12-6 Hour Runs
Aug 30, 2025
Berea, KY
Bluegrass Reaper Challenge
Aug 3, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
Pinckney, MI
Pines To Vines 55K
Aug 10, 2025
Lakewood, OH
Hell on Hogsback: Endurance Challenge
Aug 24, 2024
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 2, 2025
Bountiful, UT
Elephant Rock Trail Run
Aug 23, 2025
Oakridge, OR
Waldo 100K
Aug 2, 2025
Oregon 200
Aug 22, 2025
Vernal, UT
Mountain Madness
Aug 10, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Morris, IL
Anybody 5K
Aug 16, 2024
Aug 17, 2024
West Yellowstone, MT
Yellowstone Trail Race
Aug 3, 2024
Aug 4, 2024
San Antonio, TX
Fiesta Night Run
Aug 10, 2024
Aug 9, 2024
Edwardsville, IL
Watershed Endurance 6H 3H Runs
Aug 10, 2024
San Diego, CA
South Bay 24
Aug 17, 2024
Pensacola, FL
Wildcat Ultras
Aug 31, 2024
Aurora, IL
Dog Days of Summer
Aug 10, 2024
Waddell, AZ
Vertigo Night Runs
Aug 10, 2024
Juneau, AK
Nifty Fifty
Aug 10, 2024
Leadville, CO
Leadville Trail 100 Mile Run
Aug 16, 2025
Oakland, CA
Redwood (Summer) Trail Run
Aug 16, 2025
Castro Valley, CA
Skyline 50K
Aug 3, 2025
Waterville Valley, NH
Jigger Johnson Ultras
Aug 15, 2025
Black Bear Trail Races
Aug 30, 2025
Aug 31, 2025
Merrill, WI
Underdown Trail Races
Aug 16, 2025
Fairplay, CO
Sheep Mountain Trail Runs
Aug 2, 2025
Wendover, UT
Dusk to Dawn Relay + Ultra
Aug 29, 2025
King George, VA
Dahlgren Heritage Rail Trail 50K
Aug 2, 2025
Waynesville, MO
Bad Dawg Ultra
Aug 16, 2025
Harpers Ferry, WV
Miner's Lady 8 Hour Endurance Race
Aug 17, 2024
Volcano, HI
Time for Wine
Aug 18, 2024
Westville, IN
Chupacabra Endurance 10-hour Run
Aug 30, 2025
Bruceton Mills, WV
Ragnar Trail Relay - Appalachians
Aug 8, 2025
Brandon, MS
Death By 5K
Aug 31, 2024
Dover, OH
Tuscazoar Endurance Race
Aug 30, 2025
Buckeye, AZ
Jackrabbit Jubilee
Aug 24, 2024
North Creek, NY
Peak to Brew Relay
Aug 10, 2024
Glenwood, NY
4 For 44 Team Relay
Aug 24, 2024
Windham, ME
Firebird Trail Races
Aug 23, 2025
La Grande, OR
Elkhorn Relay
Aug 9, 2025
North Bonneville, WA
Three Corner Rock PCT 50K
Aug 31, 2024
Annandale, MN
Eddy Trail Races
Aug 9, 2025
Belleville, WI
Badger Trail Races
Aug 2, 2025
Aug 3, 2025
Creede, CO
Creede Mountain Run
Aug 30, 2025
Broken Arrow, OK
Bandit Blaze - Some Like It Hot
Aug 1, 2024
Long Grove, IA
ScoCo50
Aug 24, 2024
Danbury, NH
Ragged 75 Stage Race and 50K
Aug 1, 2025
Custer, SD
Lean Horse
Aug 15, 2025
Aug 16, 2025
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 23, 2025
Cimarron, NM
Philmont Trail Race
Aug 2, 2025
Booneville, IA
Booneville Backroads Ultra
Aug 31, 2024
Mount Saint Helens, WA
Volcanic 50
Aug 2, 2025
Aug 3, 2025
Bigfoot 200
Aug 8, 2025
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 3, 2024
Naples, NY
Twisted Branch Trail Run
Aug 24, 2024
Cassadaga, NY
Frickin Hot 50K
Aug 3, 2024
Waterville, PA
Eastern States 100
Aug 9, 2025
Fort Collins, CO
Wild West Relay
Aug 1, 2025
Forest City, IL
Temptation 200 Ultras
Aug 30, 2025
Aug 31, 2025
Egremont, MA
Jug End Loop Ultra
Aug 24, 2024
Norden, CA
Ragnar Trail Tahoe
Aug 16, 2024
La Sal, UT
UTE 100
Aug 2, 2025
Orderville, UT
Zion 100-Mile Challenge
Aug 28, 2024
Newmanstown, PA
RunPA Trail Jamboree
Aug 3, 2024
Aug 4, 2024
Newhalem, WA
North Cascade Traverse
Aug 7, 2024
Aug 8, 2024
Kalaheo, HI
The Kauai 50
Aug 3, 2024
Quincy, CA
Greenhorn Ranch Trail Run
Aug 17, 2024
Cooke City, MT
Prospector's 50K
Aug 10, 2024
Aug 11, 2024
Summerville, PA
Baker Trail UltraChallenge
Aug 23, 2025
Hays, MT
Swift Bear Trail Run
Aug 9, 2025
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City Location
121. Grand Traverse Mountain Run
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Aug 30, 2025Saturday
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40M trail run
More Information
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Crested Butte, CO
Gunnison County, CO
122. Iron Mountain 50, 30, 16 Mile Trail Run
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Aug 30, 2025Saturday
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50M, 30M, 16M trail run
More Information
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Damascus, VA
Washington County, VA
123. Temptation 200 Ultras
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Aug 30, 2025Saturday
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200K, 150K, 100K trail run
More Information
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Forest City, IL
Mason County, IL
124. Tuscazoar Endurance Race
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Aug 30, 2025Saturday
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100M, 75M, 50M, 25M trail run
More Information
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Dover, OH
Tuscarawas County, OH
125. Black Bear Trail Races
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Aug 31, 2025Sunday
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50K trail run
More Information
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Waterville Valley, NH
Grafton County, NH
126. Blood Run
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Past DateAug 31, 2024Saturday
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36H, 24H, 12H, 6H, 3H trail run
More Information
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Lennox, SD
Lincoln County, SD
127. Booneville Backroads Ultra
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Past DateAug 31, 2024Saturday
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100M, 100K, 50K, 10K run | 50K relay
More Information
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Booneville, IA
Dallas County, IA
128. Death By 5K
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Past DateAug 31, 2024Saturday
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50K, 5K run
More Information
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Brandon, MS
Rankin County, MS
129. Salt Springs Field, Forest & Falls Trail Race
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Past DateAug 31, 2024Saturday
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50K, 10K, 5K trail run
More Information
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Montrose, PA
Susquehanna County, PA
130. Six-O Trail Run
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Aug 31, 2025Sunday
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50K, 26.2M, 13.1M, 10K trail run
More Information
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Cleburne, TX
Johnson County, TX
131. Temptation 200 Ultras
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Aug 31, 2025Sunday
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50K trail run
More Information
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Forest City, IL
Mason County, IL
132. Three Corner Rock PCT 50K
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Past DateAug 31, 2024Saturday
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50K trail run
More Information
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North Bonneville, WA
Skamania County, WA
133. Wildcat Ultras
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Past DateAug 31, 2024Saturday
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100M, 100K, 50K, 15M run
More Information
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Pensacola, FL
Escambia County, FL
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.