August Ultras in the USA
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 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 23, 2024
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 31, 2024
Pittsfield, MA
Sweltering Summer Ultra
Aug 10, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 3, 2024
Montclair, NJ
Montclair Mile
Aug 7, 2024
Wichita, KS
Summer Sizzler
Aug 2, 2025
Utica, NY
Peak to Brew Relay
Aug 10, 2024
Anchorage, AK
Anchorage RunFest
Aug 17, 2025
Aug 16, 2025
Bellingham, WA
Hamster Endurance Runs
Aug 3, 2024
Larrabee Lakes
Aug 10, 2024
Fayetteville, NY
Green Lakes Endurance Runs
Aug 24, 2024
Voorheesville, NY
Thacher Park Trail Running Festival
Aug 25, 2024
Bristol, RI
Anchor Down Ultra
Aug 9, 2024
East Lansing, MI
Run the Bunyan Relay
Aug 10, 2024
Lincoln, NE
Gravel Worlds Land Ho Run
Aug 23, 2024
Cedar Hill, TX
Blazin' Summer Sufferfest
Aug 10, 2024
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
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 17, 2024
Englewood, OH
Another Dam 50K
Aug 18, 2024
Powell, OH
Nocterra Quitter's Run
Aug 11, 2024
Harrisburg, PA
Ragnar Road Pennsylvania
Aug 23, 2024
Lake Tahoe, NV
Marlette 50K
Aug 11, 2024
Southern Pines, NC
Weymouth Woods 25K 50K Trail Run
Aug 31, 2024
Philadelphia, PA
Ragnar Road Pennsylvania
Aug 23, 2024
Middletown, OH
Steel City 12 Hour Run/Ruck
Aug 17, 2024
Bangor, ME
Red Shoe 5K Run
Aug 10, 2024
Bethel, OH
East Fork 100M/100K
Aug 24, 2024
Stowe, VT
100 on100 Relay
Aug 10, 2024
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 3, 2024
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
New London, WI
Mosquito Hill Endurance Run
Aug 17, 2024
Pennsauken, NJ
Loopy Looper
Aug 3, 2024
Castle Rock, CO
Rock Hawk Trail Races
Aug 25, 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
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
Jackson, MI
Pines To Vines 55K
Aug 11, 2024
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 24, 2024
Oakridge, OR
Waldo 100K
Aug 3, 2024
Oregon 200
Aug 23, 2024
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
Ann Arbor, MI
Run the Bunyan Relay
Aug 10, 2024
Greenville, SC
Lake Conestee 8K
Aug 31, 2024
Danville, IL
Howl at the Moon 8 Hour Run
Aug 9, 2025
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 3, 2025
Merrill, WI
Underdown Trail Races
Aug 17, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 2, 2025
Wendover, UT
Dusk to Dawn Relay + Ultra
Aug 30, 2024
King George, VA
Dahlgren Heritage Rail Trail 50K
Aug 3, 2024
Waynesville, MO
Bad Dawg Ultra
Aug 17, 2024
Harpers Ferry, WV
Miner's Lady 8 Hour Endurance Race
Aug 17, 2024
Volcano, HI
Time for Wine
Aug 18, 2024
Bruceton Mills, WV
Ragnar Trail Relay - Appalachians
Aug 8, 2025
Brandon, MS
Death By 5K
Aug 31, 2024
Dover, OH
Tuscazoar Endurance Race
Aug 31, 2024
Buckeye, AZ
Jackrabbit Jubilee
Aug 24, 2024
North Creek, NY
Peak to Brew Relay
Aug 10, 2024
Rocksprings, TX
J&J Race & Trail Running Reunion
Aug 30, 2025
Manchester, TN
A Race for the Ages
Aug 29, 2024
Glenwood, NY
4 For 44 Team Relay
Aug 24, 2024
Ludlow, VT
100 on100 Relay
Aug 10, 2024
Windham, ME
Firebird Trail Races
Aug 24, 2024
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 10, 2024
Belleville, WI
Badger Trail Races
Aug 2, 2025
Aug 3, 2025
Creede, CO
Creede Mountain Run
Aug 31, 2024
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 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
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
Waterville, PA
Eastern States 100
Aug 10, 2024
Fort Collins, CO
Wild West Relay
Aug 1, 2025
Irwin, ID
Operation CENTURY
Aug 30, 2024
Forest City, IL
Temptation 200 Ultras
Aug 31, 2024
Sep 1, 2024
Egremont, MA
Jug End Loop Ultra
Aug 24, 2024
Norden, CA
Ragnar Trail Tahoe
Aug 16, 2024
La Sal, UT
UTE 100
Aug 24, 2024
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 24, 2024
Hays, MT
Swift Bear Trail Run
Aug 9, 2025
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Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Bandit Blaze - Some Like It Hot
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Past DateAug 1, 2024Thursday
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300M, 249.2M, 200M, 150M, 100M, 50M run
More Information
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Broken Arrow, OK
Tulsa County, OK
2. Wild West Relay
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Aug 1, 2025Friday
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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 2, 2025Saturday
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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 2, 2025Saturday
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100M, 100K trail run
More Information
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Belleville, WI
Dane County, WI
5. Ragged 75 Stage Race and 50K
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Past DateAug 2, 2024Friday
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75M, 50K trail run
More Information
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Danbury, NH
Merrimack County, NH
6. Ragnar Trail Oregon
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Past DateAug 2, 2024Friday
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125.6M relay
More Information
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Bend, OR
Deschutes County, OR
7. Sheep Mountain Trail Runs
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Aug 2, 2025Saturday
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50M, 50K, 13.1M trail run
More Information
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Fairplay, CO
Park County, CO
8. Summer Sizzler - Wichita
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Aug 2, 2025Saturday
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50M, 9.3M, 10K, 5K, 1M run
More Information
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Wichita, KS
Sedgwick County, KS
9. Volcanic 50
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Aug 2, 2025Saturday
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50K trail run
More Information
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Mount Saint Helens, WA
Skamania County, WA
10. Badger Trail Races
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Aug 3, 2025Sunday
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50M, 50K, 26.2M, 13.1M trail run
More Information
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Belleville, WI
Dane County, WI
11. Bluegrass Reaper Challenge
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CancelledAug 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
12. Capt'n Karl's Trail Series - Colorado Bend
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Past DateAug 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
13. Dahlgren Heritage Rail Trail 50K
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Past DateAug 3, 2024Saturday
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50K trail run
More Information
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King George, VA
King George County, VA
14. Drew's Angel Creek 50
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Past DateAug 3, 2024Saturday
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50M, 50K trail run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
15. Hamster Endurance Runs
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Past DateAug 3, 2024Saturday
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32H, 24H, 12H, 6H trail run
More Information
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Bellingham, WA
Whatcom County, WA
16. Hatcher Pass 50 Mile, Marathon and Relay
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Past DateAug 3, 2024Saturday
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50M, 26M run | 50M, 26M relay
More Information
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Willow, AK
Matanuska-Susitna County, AK
17. HURL Elkhorn Endurance Runs
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Past DateAug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Montana City, MT
Jefferson County, MT
18. Kat'cina Mosa 100K Mountain Run
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Past DateAug 3, 2024Saturday
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100K trail run
More Information
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Springville, UT
Utah County, UT
19. 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
More Information
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Kirkwood, CA
El Dorado County, CA
20. Loopy Looper
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Past DateAug 3, 2024Saturday
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24H, 101M, 12H run
More Information
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Pennsauken, NJ
Camden County, NJ
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.