August Ultras in the USA
Liberty, UT
Skyline Mountain Marathon
Aug 13, 2022
Marquette, MI
Marquette Trail 50
Aug 20, 2022
Aug 19, 2022
Enumclaw, WA
Ragnar Trail Rainier
Aug 26, 2022
Ft. Worth, TX
WRATH Texas Endurance Runs
Aug 12, 2022
Aug 13, 2022
Middleton, WI
Run the Hawk Trail Runs
Aug 27, 2022
Portland, OR
Hood To Coast Relay
Aug 26, 2022
Kennesaw, GA
Maria's Ultra Summer Spectacular
Aug 1, 2020
Pittsfield, MA
Sweltering Summer Ultra
Aug 13, 2022
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 6, 2022
North Easton, MA
East End Trail Races
Aug 2, 2020
Utica, NY
Peak to Brew Relay
Aug 13, 2022
Big Bear Lake, CA
Kodiak Ultra Marathons
Aug 19, 2022
Aug 20, 2022
Anchorage, AK
Anchorage RunFest
Aug 21, 2022
Aug 20, 2022
Bellingham, WA
Hamster Endurance Runs
Aug 13, 2022
Fayetteville, NY
Green Lakes Endurance Runs
Aug 27, 2022
Bend, OR
Cascade Lakes Relay
Aug 5, 2022
Bristol, RI
Anchor Down Ultra
Aug 12, 2022
Duluth, MN
Ragnar Relay Great River
Aug 12, 2022
Cedar Hill, TX
Blazin' Summer Sufferfest
Aug 6, 2022
Fairmont, WV
Wild Turkey 50K 25K and 8 Miler
Aug 20, 2022
Silverton, CO
Silverton Ultra Dirty
Aug 5, 2022
Aug 6, 2022
San Jose, CA
Almaden Hills Trail Run
Aug 27, 2022
Monterey, CA
Golden State
Aug 21, 2021
Brevard, NC
Operation STIRLING
Aug 29, 2022
Powell, OH
Nocterra Quitter's Run
Aug 14, 2022
Lake Tahoe, NV
Marlette 50K
Aug 13, 2022
Canton, GA
Burn Your Half Off Georgia
Aug 22, 2020
Middletown, OH
Steel City 12 Hour Run/Ruck
Aug 13, 2022
Minneapolis, MN
Ragnar Relay Great River
Aug 12, 2022
Stowe, VT
100 on100 Relay
Aug 13, 2022
Calabasas, CA
Bulldog Trail Runs
Aug 20, 2022
Stinson Beach, CA
Coastal 50K/Marathon
Aug 8, 2020
Steamboat Springs, CO
Wild West Relay
Aug 5, 2022
Continental Divide Trail Run
Aug 27, 2022
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 6, 2022
Buena Vista, CO
TransRockies Run
Aug 1, 2022
Rodeo Beach, CA
Headlands Hundred
Aug 11, 2022
Salem, OR
Angry Owl Ultramarathons
Aug 13, 2022
Lincoln, RI
RiMaConn Relay
Aug 27, 2022
Elverson, PA
Triple Trouble
Aug 21, 2022
Phoenixville, PA
Phoenixville XC: Miles for Cancer 6-Hour Relay & Ultra
Aug 13, 2022
Wilmington, NY
Peak to Brew Relay
Aug 13, 2022
Pennsauken, NJ
Loopy Looper 12 Hour
Aug 6, 2022
Manistee, MI
North Country Trail Run
Aug 27, 2022
Aug 28, 2022
Louisville, KY
Run for Dreams
Aug 6, 2022
Phoenicia, NY
Catskill Mountain 100K
Aug 9, 2020
Berea, KY
Bluegrass Reaper Challenge
Aug 6, 2022
Kirkwood, CA
Kirkwood's Ultras
Aug 6, 2022
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 6, 2022
Oakridge, OR
Waldo 100K
Aug 13, 2022
Truckee, CA
Castle Peak 100K
Aug 14, 2021
Vernal, UT
Mountain Madness
Aug 20, 2022
Pollock Pines, CA
Trail Run at Sly Park
Aug 20, 2022
Brookville, PA
Baker Trail UltraChallenge
Aug 27, 2022
Salinas, CA
Monterey Spartan Trail
Aug 22, 2021
Edwardsville, IL
Watershed Endurance 6H 3H Runs
Aug 6, 2022
Waddell, AZ
Vertigo Night Runs
Aug 20, 2022
Juneau, AK
Nifty Fifty
Aug 13, 2022
Danville, IL
Howl at the Moon 8 Hour Run
Aug 13, 2022
Leadville, CO
Leadville Trail 100 Mile Run
Aug 20, 2022
Oakland, CA
Redwood (Summer) Trail Run
Aug 6, 2022
Castro Valley, CA
Skyline 50K
Aug 7, 2022
Fairplay, CO
Sheep Mountain Ultras
Aug 6, 2022
King George, VA
Dahlgren Heritage Rail Trail 50K
Aug 6, 2022
Waynesville, MO
Bad Dawg Ultra
Aug 20, 2022
Volcano, HI
Time for Wine
Aug 28, 2022
Bruceton Mills, WV
Ragnar Trail Relay - Appalachians
Aug 12, 2022
Hood River, OR
Post Canyon 50K
Aug 20, 2022
Medfield, MA
TARC Summer Classic
Aug 7, 2021
Ludlow, VT
100 on100 Relay
Aug 13, 2022
La Grande, OR
Elkhorn Relay
Aug 13, 2022
Glendale, KY
Fairgrounds 8H Ultra
Aug 21, 2021
Roseburg, OR
NUT Trail Races
Aug 28, 2021
Belmont, MI
Fred Running Relays
Aug 12, 2022
Aug 13, 2022
Gold Beach, OR
Secret Beach 100K/50M
Aug 27, 2022
Richfield, UT
Fish Lake Relay
Aug 21, 2021
Danbury, NH
Ragged 75 Stage Race and 50K
Aug 5, 2022
Larkspur, CO
Lincoln Mountain Endurance Run
Aug 28, 2021
Custer, SD
Lean Horse
Aug 20, 2022
Aug 21, 2022
Island Park, ID
Harriman Park 25K/50K
Aug 27, 2022
Medora, ND
Badlands
Aug 14, 2021
Cloudcroft, NM
Cloudcroft Ultra Trail Race
Aug 6, 2022
Jamestown, TN
Cumberland Plateau Stage Race
Aug 21, 2020
Cat Spring, TX
Habanero Hundred
Aug 20, 2022
Cimarron, NM
Philmont Trail Race
Aug 13, 2022
Mt. St. Helens, WA
Volcanic 50
Aug 6, 2022
Bigfoot 200
Aug 12, 2022
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 6, 2022
Naples, NY
Twisted Branch Trail Run
Aug 20, 2022
Fort Wayne, IN
Fort4Fitness Summer Sunset Relay
Aug 6, 2022
Mill Spring, NC
Asheville Spartan Trail
Aug 1, 2021
Cassadaga, NY
Frickin Hot 50K
Aug 6, 2022
Waterville, PA
Eastern States 100
Aug 13, 2022
Fort Collins, CO
Wild West Relay
Aug 5, 2022
Gleason, WI
Underdown Trail Races
Aug 13, 2022
La Sal, UT
UTE 100
Aug 12, 2022
Newmanstown, PA
RunPA Trail Jamboree
Aug 6, 2022
Aug 7, 2022
Smicksburg, PA
Baker Trail UltraChallenge
Aug 27, 2022
Imler, PA
Lost Turkey Trail Races
Aug 27, 2022
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Asheville Spartan Trail
-
Past DateAug 1, 2021Sunday
-
50K, 13.1M, 10K trail run
More Information
-
Mill Spring, NC
Polk County, NC
2. Maria's Ultra Summer Spectacular
-
Past DateAug 1, 2020Saturday
-
26.6M run
More Information
-
Kennesaw, GA
Cobb County, GA
3. TransRockies Run
-
Aug 1, 2022Monday
-
120M trail run
More Information
-
Buena Vista, CO
Chaffee County, CO
4. East End Trail Races
-
Past DateAug 2, 2020Sunday
-
50K, 30K, 10K trail run
More Information
-
North Easton, MA
Bristol County, MA
5. Cascade Lakes Relay
-
Aug 5, 2022Friday
-
216M, 132M relay
Virtual OptionMore Information
-
Bend, OR
Deschutes County, OR
6. Ragged 75 Stage Race and 50K
-
Aug 5, 2022Friday
-
75M, 50K trail run
More Information
-
Danbury, NH
Merrimack County, NH
7. Silverton Ultra Dirty
-
Aug 5, 2022Friday
-
100M trail run
More Information
-
Silverton, CO
San Juan County, CO
8. Wild West Relay
-
Aug 5, 2022Friday
-
200M relay
More Information
-
startFort Collins, COfinishSteamboat Springs, CORoutt County, COLarimer County, CO
9. Angeles Crest 100 Mile Endurance Run
-
Aug 6, 2022Saturday
-
100M trail run
More Information
-
Wrightwood, CA
San Bernardino County, CA
10. Blazin' Summer Sufferfest
-
Aug 6, 2022Saturday
-
54K, 36K, 18K, 10K, 5K trail run
More Information
-
Cedar Hill, TX
Dallas County, TX
11. Bluegrass Reaper Challenge
-
Aug 6, 2022Saturday
-
50K, 26.2M, 13.1M, 10K, 2.6M run | last man standing | 26.2M relay
More Information
-
Berea, KY
Madison County, KY
12. Capt'n Karl's Trail Series - Colorado Bend
-
Aug 6, 2022Saturday
-
60K, 30K, 20K, 10K trail run
More Information
-
Bend, TX
San Saba County, TX
13. Cloudcroft Ultra Trail Race
-
Aug 6, 2022Saturday
-
53K, 9.5M, 4.7M trail run
More Information
-
Cloudcroft, NM
Otero County, NM
14. Dahlgren Heritage Rail Trail 50K
-
Aug 6, 2022Saturday
-
50K trail run
More Information
-
King George, VA
King George County, VA
15. Fort4Fitness Summer Sunset Relay
-
Aug 6, 2022Saturday
-
6H, 3H run | 6H, 3H relay
More Information
-
Fort Wayne, IN
Allen County, IN
16. Frickin Hot 50K
-
Aug 6, 2022Saturday
-
50K run
More Information
-
Cassadaga, NY
Chautauqua County, NY
17. HURL Elkhorn Endurance Runs
-
Aug 6, 2022Saturday
-
53M, 52K, 15M trail run
More Information
-
Montana City, MT
Jefferson County, MT
18. Kanawha Trace Trail Runs
-
Aug 6, 2022Saturday
-
50K, 25K, 10K trail run
More Information
-
Ona, WV
Cabell County, WV
19. Kat'cina Mosa 100K Mountain Run
-
Aug 6, 2022Saturday
-
100K trail run
More Information
-
Springville, UT
Utah County, UT
20. Kirkwood's Ultras
-
Aug 6, 2022Saturday
-
100K, 46M, 50K trail run
More Information
-
Kirkwood, CA
El Dorado County, CA
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.