May Ultras in the USA
Bear Mountain, NY
Spartan Trail - Bear Mountain Trail Challenge
May 4, 2024
Nashville, IN
Dances With Dirt - Gnaw Bone
May 18, 2024
Bronx, NY
Van Cortlandt Park 50K
May 5, 2024
Portland, OR
Stumptown Trail Runs
May 27, 2024
May 25, 2024
Leavenworth, WA
Leavenworth Trail Fest
May 25, 2024
Potosi, MO
Berryman Marathon & 50 Miler
May 18, 2024
Glen Rose, TX
High Hope Endurance Run
May 25, 2024
May 26, 2024
Fairbanks, AK
Alaska Endurance Trail Run
May 31, 2024
Chillicothe, OH
The Big Deal at Great Seal
May 4, 2024
Fountain Hills, AZ
Adrenaline Night Runs
May 18, 2024
Georgetown, TX
River's Edge Trail Race
May 25, 2024
Bellingham, WA
Ski to Sea
May 26, 2024
Bastrop, TX
Wildflower Trail Runs
May 4, 2024
May 5, 2024
Rochester, NY
Mind The Ducks 12 Hour
May 11, 2024
Bend, OR
Bend Beer Chase
May 4, 2024
New Paltz, NY
Rock The Ridge
May 4, 2024
Lutsen, MN
Superior Spring Trail Races
May 18, 2024
Athens, OH
Thunderbunny Trail Races
May 11, 2024
Fort Valley, VA
Massanutten Mountain Trails 100 Mile Run
May 18, 2024
Berkeley, CA
Grizzly Peak Trail Run
May 11, 2024
Colorado Springs, CO
Valkyrie Trail Race
May 11, 2024
Ram Party
May 18, 2024
May 19, 2024
Fairmont, WV
EHQ Valley Falls 6 & 12 Hour
May 4, 2024
York, ME
Big A 50K Trail Race
May 4, 2024
Philadelphia, PA
Dirty German Endurance Fest
May 11, 2024
Terre Haute, IN
Hawthorn Half Day Relay & Ultra
May 25, 2024
Charlotte, NC
Time Laps
May 17, 2024
Bethel, OH
6 Hours of Power (East Fork State Park)
May 25, 2024
East Fork Trail Race
May 25, 2024
May 26, 2024
Stinson Beach, CA
Miwok 100K
May 4, 2024
Folsom, CA
Folsom Lake Trail Run
May 4, 2024
Traverse City, MI
Traverse City Trail Running Festival
May 11, 2024
May 10, 2024
Buena Vista, CO
Collegiate Peaks Trail Run
May 4, 2024
Pittsfield, VT
Peak Bloodroot Ultra
May 10, 2024
May 11, 2024
May 8, 2024
McMinnville, OR
The Race to Space
May 11, 2024
Los Angeles, CA
Hollywood to the Sea Road & Trail Relay
May 4, 2024
Laramie, WY
Wyoming Marathon Races
May 26, 2024
Key West, FL
KEYS100
May 18, 2024
Bishop, CA
Bishop High Sierra Ultras
May 18, 2024
Dousman, WI
Bunk House Trail Runs
May 25, 2024
Winder, GA
Fort Yargo Ultra
May 18, 2024
Lewis Center, OH
Alum Creek Trail Race
May 18, 2024
May 19, 2024
Peninsula, OH
Fools Trail Race
May 25, 2024
Fabius, NY
Highland Forest 1-2-3 Trail Run
May 25, 2024
Pittsburgh, PA
Miles 2 Meals 100 Mile Relay
May 18, 2024
Reno, NV
Silver State 50-mile and 50K Endurance Runs
May 18, 2024
Reno-Tahoe Odyssey Relay Run Adventure
May 31, 2024
Cleveland Heights, OH
The Forgotten
May 4, 2024
Smyrna, GA
Underground Circus 100
May 25, 2024
Winthrop, WA
Sun Mountain
May 19, 2024
May 18, 2024
Thurmond, WV
Highball to Thurmond Ultra & Relay
May 19, 2024
Snohomish, WA
Lord Hillbilly Trail Run
May 25, 2024
Galena, IL
Galena Sky Trail Race
May 11, 2024
Groton, CT
Ragnar Road New England
May 17, 2024
Kirtland, OH
Outrun 24 Hour Trail Race
May 4, 2024
Fall River, MA
Watuppa Trail Races
May 11, 2024
Corvallis, OR
McDonald Forest 50K Trail Run
May 4, 2024
Charleston, WV
Middle Ridge Monster 8H Run
May 11, 2024
Pasadena, CA
Pasadena Running Company 50K Relay
May 26, 2024
La Grange, WI
Ice Age Trail Run
May 11, 2024
Pollock Pines, CA
Trail Run at Sly Park
May 11, 2024
Watford City, ND
MDH Buck Fifty Ultra Endurance Race
May 1, 2024
Brandenburg, KY
Ragnar Trail Kentucky
May 17, 2024
San Diego, CA
Pacific Crest Trail 50 (PCT 50)
May 11, 2024
Los Alamos, NM
Jemez Mountain Trail Runs
May 11, 2024
Millburn, NJ
Mayapple Trail Run
May 18, 2024
Des Moines, IA
Market to Market Relay - Iowa
May 11, 2024
Wartrace, TN
Strolling Jim Run
May 4, 2024
Davenport, IA
Corn Belt Running Club 24 Hour Run
May 4, 2024
New Gloucester, ME
Trail Festival at Pineland Farms
May 25, 2024
May 26, 2024
Wilmington, DE
First State Trail Race
May 19, 2024
Faribault, MN
Maple Syrup Fun Run
May 4, 2024
Pelham, AL
Runk the Gap
May 10, 2024
Yellow Springs, OH
Tie Dye 50K
May 18, 2024
Portersville, PA
Glacier Ridge Trail Ultra
May 11, 2024
Wendover, UT
Salt Flats Endurance Runs
May 3, 2024
Graford, TX
Possums Revenge
May 18, 2024
Pine, AZ
Pine Trail Run
May 4, 2024
Blue Ridge, GA
Cruel Jewel 100
May 17, 2024
Cruel Jewel 50
May 18, 2024
Dover, OH
Running With My Gnomies
May 11, 2024
Susanville, CA
Paiute Meadows Trail Run
May 11, 2024
Nebo, NC
Saturday - Pisgah 8 Hour Adventure Race
May 4, 2024
Sunday - Pisgah 8 Hour Adventure Race
May 5, 2024
Boiling Springs, PA
Bubbletown What The Duck Ultra
May 25, 2024
Eagle Mountain, UT
Honor the Fallen Ruck/Run
May 26, 2024
Ashburnham, MA
Wapack and Back Trail Races
May 11, 2024
Burnet, TX
Spider Mountain Trail Race
May 11, 2024
Wellsboro, PA
Hills Creek Endurance Challenge
May 4, 2024
Richfield, OH
HIgh Lea 6/12/24
May 18, 2024
Norfolk, NE
Relay for Malawi
May 27, 2023
East Ridge, TN
Locomotion Endurance 6/12/24
May 4, 2024
Rush City, MN
Growing Green Challenge
May 27, 2023
May 28, 2023
Burnsville, NC
Quest For The Crest Trail Races
May 18, 2024
Keezletown, VA
Perfect Day 50K
May 4, 2024
Kendallville, IN
Armed Forces Endurance Run
May 18, 2024
Ashford, CT
Camp Challenge
May 18, 2024
Gregory, MI
Island Time
May 3, 2024
May 4, 2024
Belleville, WI
Sugar Badger 50/50
May 25, 2024
Marietta, SC
Knock on Woodstock
May 11, 2024
Tamworth, NH
White Lake Ultra
May 4, 2024
Perrysville, OH
Mohican Trail Race
May 11, 2024
May 12, 2024
Stanhope, NJ
TPK Run the Jewels
May 18, 2024
Cordesville, SC
Wambaw Swamp Stomp
May 11, 2024
Black Canyon City, AZ
Cocodona 250
May 6, 2024
Trail, OR
Lost Creek Trail Run
May 4, 2024
Gold Beach, OR
Secret Beach 100K/50M
May 11, 2024
Fremont, NE
Crown of the Crest
May 25, 2024
Pittsburg, TX
East Texas Ultra
May 18, 2024
May 19, 2024
Mount Carmel, UT
Ragnar Trail Relay - Zion
May 10, 2024
Jefferson, IA
Market to Market Relay - Iowa
May 11, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Forest Ranch, CA
Little Loco Relay
May 4, 2024
Sharon Hill, PA
Dawn to Dusk to Dawn Ultras
May 11, 2024
Quanah, TX
Chupacabra 50
May 4, 2024
Stearns, KY
Yamacraw Trail Runs
May 18, 2024
May 19, 2024
Pawhuska, OK
Flower Moon
May 11, 2024
Mount Vernon, IA
Palisades Punisher or Promenade
May 4, 2024
Divide, CO
Endure Trail Runs
May 18, 2024
College Grove, TN
Sgt David Hierholzer Memorial Day 50K
May 27, 2024
Fort Collins, CO
Quad Rock 50
May 11, 2024
Pickrell, NE
Nebraska 50K Classic Relay
May 25, 2024
Portageville, NY
Sehgahunda Trail Marathon & Relay
May 18, 2024
May 19, 2024
Hatch, UT
Bryce Canyon Ultras
May 18, 2024
Gold Bar, WA
Wallace Falls Trail Run
May 20, 2023
Stockton, UT
Connor's Claims
May 25, 2024
Cherry Creek, NY
Hoof It on the Hill
May 11, 2024
Grayson Highlands State Park, VA
Grayson Highlands
May 5, 2024
May 4, 2024
Leyden, MA
Free Spirit 50K Ultra
May 18, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
121. TPK Run the Jewels
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May 18, 2024Saturday
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60K trail run
More Information
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Stanhope, NJ
Sussex County, NJ
122. Yamacraw Trail Runs
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May 18, 2024Saturday
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40M trail run
More Information
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Stearns, KY
McCreary County, KY
123. Alum Creek Trail Race
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May 19, 2024Sunday
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6H, 13.1M, 10K, 5K trail run | 20K relay
More Information
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Lewis Center, OH
Delaware County, OH
124. First State Trail Race
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May 19, 2024Sunday
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50K, 25K, 10K trail run
More Information
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Wilmington, DE
New Castle County, DE
125. Highball to Thurmond Ultra & Relay
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May 19, 2024Sunday
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50M, 55K trail run | 50M relay
More Information
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Thurmond, WV
Fayette County, WV
126. Wallace Falls Trail Run
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Past DateMay 20, 2023Saturday
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50K, 22.4M, 13.1M trail run
More Information
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Gold Bar, WA
Snohomish County, WA
127. Infinitus Races
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May 22, 2024Wednesday
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250M trail run
More Information
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Ripton, VT
Addison County, VT
128. Infinitus Races
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May 24, 2024Friday
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100M trail run
More Information
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Ripton, VT
Addison County, VT
129. Lord Hillbilly Trail Run
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May 25, 2024Saturday
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6H, 4H, 2H trail run
More Information
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Snohomish, WA
Snohomish County, WA
130. 6 Hours of Power (East Fork State Park)
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May 25, 2024Saturday
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6H trail run
More Information
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Bethel, OH
Clermont County, OH
131. Bubbletown What The Duck Ultra
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May 25, 2024Saturday
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12H run
More Information
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Boiling Springs, PA
Cumberland County, PA
132. Bunk House Trail Runs
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May 25, 2024Saturday
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50K, 30K, 10K trail run
More Information
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Dousman, WI
Waukesha County, WI
133. Connor's Claims
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May 25, 2024Saturday
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50K, 13.1M trail run
More Information
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Stockton, UT
Tooele County, UT
134. Crown of the Crest
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May 25, 2024Saturday
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100M, 13H trail run
More Information
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Fremont, NE
Dodge County, NE
135. East Fork Trail Race
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May 25, 2024Saturday
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8H, 13.1M, 10K, 5K trail run | 20K relay
More Information
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Bethel, OH
Clermont County, OH
136. Fools Trail Race
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May 25, 2024Saturday
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100K, 50M, 50K, 25K trail run
More Information
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Peninsula, OH
Summit County, OH
137. Hawthorn Half Day Relay & Ultra
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May 25, 2024Saturday
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12H, 6H run | 12H, 6H relay
More Information
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Terre Haute, IN
Vigo County, IN
138. High Hope Endurance Run
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May 25, 2024Saturday
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200K, 100K, 50K, 25K, 10K, 5K trail run
More Information
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Glen Rose, TX
Somervell County, TX
139. Highland Forest 1-2-3 Trail Run
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May 25, 2024Saturday
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31M, 20M, 10M trail run
More Information
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Fabius, NY
Onondaga County, NY
140. Infinitus Races
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May 25, 2024Saturday
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88K, 26.2M, 9M trail run
More Information
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Ripton, VT
Addison County, VT
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.