April Ultras in the USA
Snoqualmie, WA
Mt. Si Relay & Trail Runs
Apr 21, 2024
Virginia Beach, VA
Long Creek 60K
Apr 6, 2025
Williamsburg, VA
Singletrack Maniac 50K
Apr 13, 2024
Lock Haven, PA
Eagleton Trail Challenge
Apr 5, 2025
Queen Creek, AZ
Sinister Night Runs
Apr 26, 2025
Asheville, NC
Ville to Ville Craft Brew Relay
Apr 12, 2025
Willard, MO
Frisco Railroad Run
Apr 26, 2025
Oak Ridge, TN
Run Under The Stars
Apr 13, 2024
Richmond, VA
Ragnar Trail Richmond
Apr 25, 2025
Birmingham, AL
Birmingham Marathon
Apr 12, 2025
Alexander City, AL
Lake Martin 100
Apr 5, 2025
Manhattan, KS
Flint Hills 50 and Marathon
Apr 12, 2025
Pawling, NY
Summer Warm Up Run
Apr 28, 2024
Geneva, NY
Seneca7
Apr 27, 2025
Suwanee, GA
Loop The Hooch 50K
Apr 20, 2024
Sedona, AZ
Vortex Ultra Experience
Apr 19, 2025
Huntington Beach, CA
Ragnar Road SoCal
Apr 11, 2025
Sunderland, MA
Mt. Toby Ultra and 24K
Apr 5, 2025
Colorado Springs, CO
Rattler Trail Race
Apr 19, 2025
Cheyenne Mountain Trail Race
Apr 26, 2025
Jackson, MS
Fondren Urban Ultra
Apr 26, 2025
Raleigh, NC
Umstead 100 Mile Endurance Run
Apr 5, 2025
Mountains-to-Sea Trail 12 Mile and 50K Challenge
Apr 13, 2025
Tobacco Road Relay
Apr 26, 2025
Brevard, NC
Smoky Mountain Relay
Apr 25, 2025
Southern Pines, NC
Weymouth Woods 25K/50K Trail Run
Apr 19, 2025
Issaquah, WA
Squak Mountain Trail Run
Apr 19, 2025
Ellensburg, WA
Yakima Skyline Rim 50K
Apr 12, 2025
Seattle, WA
Cottontail 6 &12 Hour
Apr 12, 2025
Bedford, VA
Promise Land 50K
Apr 20, 2024
Stillwater, OK
Lake McMurtry Run
Apr 12, 2025
Walnut Creek, CA
Diablo Trails Challenge
Apr 5, 2025
Moab, UT
Run Up For Air Moab
Apr 5, 2025
Amasa Trail Race
Apr 12, 2025
Thelma and Louise Marathon
Apr 26, 2025
Graham, TX
Hidden Hills Ultra
Apr 26, 2025
Heflin, AL
Rockin Choccolocco 50K
Apr 26, 2025
Chattanooga, TN
DoNot Stop Half Marathon (5K/10K)
Apr 13, 2025
Conyers, GA
Ragnar Trail Atlanta
Apr 11, 2025
Hampton, VA
Virginia 24 Hour Run and Relay
Apr 20, 2024
Madison, WI
MadCity Ultras
Apr 12, 2025
Lake Hughes, CA
Leona Divide
Apr 12, 2025
Woodside, CA
Woodside Crossover
Apr 12, 2025
Castle Rock, CO
Rock Hawk Trail Races
Apr 19, 2025
Cleburne, TX
Coyote Trail Run
Apr 19, 2025
Loveland, CO
Run the Ranch
Apr 4, 2025
Apr 5, 2025
Brooksville, FL
Croom Fools Run
Apr 5, 2025
Winder, GA
Fort Yargo Ultra
Apr 26, 2025
Wildwood, MO
Ozark Foothills
Apr 5, 2025
Apr 6, 2025
Lewis Center, OH
Muddy Duck
Apr 6, 2025
Alum Creek Trail Race
Apr 19, 2025
Spokane, WA
Spokane River Run
Apr 27, 2025
Roanoke, VA
Blue Ridge Marathon
Apr 12, 2025
Prescott, AZ
Whiskey Basin Trail Runs
Apr 12, 2025
Pinckney, MI
Trail Marathon
Apr 26, 2025
Crystal Lake, IL
Earth Day 50K
Apr 26, 2025
Golconda, IL
River to River Relay
Apr 26, 2025
Port Angeles, WA
OAT Run
Apr 12, 2025
Oshkosh, WI
Run Away To the Bay
Apr 12, 2025
Hobe Sound, FL
Dunes Endurance Challenge
Apr 26, 2025
Boston, MA
TARC Don't Run Boston Races
Apr 19, 2025
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 27, 2025
Ashburn, VA
Growler Team Relay
Apr 13, 2024
Clifton, VA
Bull Run Run 50 Mile
Apr 5, 2025
Columbia, MO
The 24 Hour Lions Roar
Apr 25, 2025
Apr 26, 2025
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Green Bay, WI
Run Away To the Bay
Apr 12, 2025
Calistoga, CA
Napa Valley Endurance Run
Apr 13, 2025
Coronado, CA
Ragnar Road SoCal
Apr 11, 2025
Smithville, TX
Hells Hills Trail Race
Apr 5, 2025
Tuscaloosa, AL
The Phoenix Trail Fest
Apr 20, 2024
Aurora, IL
Zoomies 50K
Apr 20, 2024
South Orange, NJ
Spring SOMO Timed Trail Races
Apr 5, 2025
Myrtle Beach, SC
Apex Trail Run
Apr 20, 2024
Greenville, SC
Ville to Ville Craft Brew Relay
Apr 12, 2025
Derry, NH
Cheap Marathon
Apr 5, 2025
Little Rock, AR
Ouachita Trail 50 Endurance Run
Apr 12, 2025
Brighton, CO
Runs With Scissors Races
Apr 26, 2025
Kalamazoo, MI
Kal-Haven Trail Run
Apr 14, 2024
Loudonville, OH
Forget the PR, Mohican 50K/25K
Apr 20, 2024
Castro Valley, CA
SPASM Lake Chabot
Apr 12, 2025
Rockford, MN
Trail Mix Race
Apr 19, 2025
Morgantown, WV
Coopers Rock 50K
Apr 26, 2025
East Islip, NY
Shore 2 Shore
Apr 19, 2025
New Auburn, WI
Chippewa 50K
Apr 26, 2025
Morehead, KY
Big Turtle 2.0
Apr 26, 2025
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2025
Port Saint Lucie, FL
Uniquely Autism
Apr 5, 2025
Sisters, OR
Peterson Ridge Rumble
Apr 13, 2025
Canon City, CO
Royal Gorge Groove
Apr 26, 2025
Weston, MA
TARC Spring Classic Trail Race
Apr 26, 2025
Reedley, CA
Silver Moon Race: Kings River
Apr 12, 2025
Borrego Springs, CA
Badwater Salton Sea
Apr 26, 2025
Burnet, TX
Pandora's Box of Rox Trail Race
Apr 26, 2025
Parkton, MD
Gunpowder Keg Ultra
Apr 13, 2024
Cascade Locks, OR
Gorge Waterfalls
Apr 13, 2025
Apr 12, 2025
Apr 11, 2025
East Ridge, TN
Locomotion Endurance 6/12/24
Apr 26, 2025
Bryson City, NC
Smoky Mountain Relay
Apr 25, 2025
Mariposa, CA
G-Bar Ultra and Trail Run
Apr 20, 2024
Hyner, PA
Hyner View Trail Challenge
Apr 19, 2025
Caseville, MI
Thumb Coast Ultra & Relay
Apr 26, 2025
Marietta, SC
Knock on Woodstock
Apr 19, 2025
Radcliff, KY
Saunders Springs Six Hour Shootout
Apr 13, 2024
Roseburg, OR
Roseburg to Coos Bay Relay
Apr 26, 2025
Tijeras, NM
Cedro Peak
Apr 19, 2025
Amherst, NY
Buffalo Runners 6 Hour Classic
Apr 21, 2024
Loxahatchee, FL
JW Corbett Trail Races
Apr 5, 2025
Theilman, MN
Zumbro Endurance Run
Apr 11, 2025
Apr 12, 2025
Smithland, KY
Herzog 100
Apr 20, 2024
Marcola, OR
Shotgun Trail Blast
Apr 5, 2025
Borden, IN
Knobstone 50
Apr 19, 2025
Sewanee, TN
Rim Runner
Apr 12, 2025
Gladstone, VA
James River Trail Runs
Apr 12, 2025
Foresthill, CA
Canyons Endurance Runs
Apr 25, 2025
Apr 26, 2025
Summertown, TN
Snaketail 50
Apr 6, 2024
Hewitt, NJ
Wawayanda Trail Fest
Apr 26, 2025
Oak Hill, WV
Falling Water 100K
Apr 26, 2025
Saranac, MI
Dirty 30 Gravel
Apr 19, 2025
Julian, CA
Oriflamme 50K
Apr 12, 2025
Flovilla, GA
Bootlegger
Apr 5, 2025
Mont Clare, PA
Schuylkill River Relay
Apr 26, 2025
Ellsworth, KS
Rockin K Trail Runs
Apr 5, 2025
Quitaque, TX
Wild Canyon Ultra
Apr 12, 2025
Copperhill, TN
Big Frog Trail Runs
Apr 21, 2024
Apple Valley, UT
Zion Ultras
Apr 12, 2025
Apr 11, 2025
Saint Louis, MO
Double Chubb
Apr 12, 2025
Wallingford, KY
Bluegrass Ultra Trail Race
Apr 6, 2024
Slater-Marietta, SC
The Country Mile
Apr 4, 2025
Vesuvius, VA
UROC
Apr 27, 2024
Altura, MN
Storm the Park
Apr 19, 2025
Hooversville, PA
On The Dam Trail
Apr 26, 2025
La Honda, CA
Horseshoe Lake
Apr 20, 2025
Orcas Island, WA
Orcas Island Trail Runs
Apr 27, 2024
Apr 28, 2024
Brazos Bend State Park, TX
Brazos Bend 50
Apr 5, 2025
Ehrhardt, SC
Cannonball Run
Apr 27, 2025
Fritch, TX
West Texas Ultra
Apr 5, 2025
Pilot Hill, CA
Placer Trail Running Festival
Apr 12, 2025
Edmunds, ME
Cobscook Backyard Ultra
Apr 21, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Beyond Limits Ultra
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Past DateApr 3, 2024Wednesday
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72H, 48H, 200M, 24H, 100M, 50M, 50K trail run
More Information
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Palm Springs, CA
Riverside County, CA
2. The Country Mile
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Apr 4, 2025Friday
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48H run
More Information
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Slater-Marietta, SC
Greenville County, SC
3. American River 50 Mile Endurance Run
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Apr 5, 2025Saturday
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50M, 25M trail run
More Information
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Folsom, CA
Sacramento County, CA
4. Ancient Lakes Trail Run
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Apr 5, 2025Saturday
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50M, 50K, 25K, 10K trail run
More Information
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Quincy, WA
Grant County, WA
5. Bootlegger
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Apr 5, 2025Saturday
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100M, 50M trail run
More Information
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Flovilla, GA
Butts County, GA
6. Brazos Bend 50
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Apr 5, 2025Saturday
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50M, 50K, 25K, 10K, 5K trail run
More Information
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Brazos Bend State Park, TX
Fort Bend County, TX
7. Bull Run Run 50 Mile
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Apr 5, 2025Saturday
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50M run
More Information
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Clifton, VA
Fairfax County, VA
8. Cheap Marathon
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Apr 5, 2025Saturday
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31M, 26.2M, 13.1M run | 26.2M, 13.1M relay
More Information
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Boston Marathon Qualifier
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Derry, NH
Rockingham County, NH
9. Croom Fools Run
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Apr 5, 2025Saturday
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50M, 50K, 16M trail run
More Information
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Brooksville, FL
Hernando County, FL
10. Diablo Trails Challenge
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Apr 5, 2025Saturday
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50K, 13.1M, 10K, 5K trail run
More Information
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Walnut Creek, CA
Contra Costa County, CA
11. Eagleton Trail Challenge
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Apr 5, 2025Saturday
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50K, 25K, 10K trail run
More Information
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Lock Haven, PA
Clinton County, PA
12. Fall Creek Falls 50K & Half Marathon Trail Runs
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Apr 5, 2025Saturday
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50K, 13.1M trail run
More Information
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Spencer, TN
Van Buren County, TN
13. Hells Hills Trail Race
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Apr 5, 2025Saturday
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50M, 50K, 25K, 10K trail run
More Information
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Smithville, TX
Bastrop County, TX
14. JW Corbett Trail Races
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Apr 5, 2025Saturday
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50M, 50K, 18M trail run
More Information
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Loxahatchee, FL
Palm Beach County, FL
15. Kanawha Trace Trail Runs
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Apr 5, 2025Saturday
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50K, 25K, 10K trail run
More Information
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Ona, WV
Cabell County, WV
16. Lake Martin 100
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Apr 5, 2025Saturday
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100M, 50M, 27M trail run
More Information
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Alexander City, AL
Tallapoosa County, AL
17. Mt. Toby Ultra and 24K
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Apr 5, 2025Saturday
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50K, 24K trail run
More Information
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Sunderland, MA
Franklin County, MA
18. Ozark Foothills
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Apr 5, 2025Saturday
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100M, 50M, 50K trail run
More Information
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Wildwood, MO
St Louis County, MO
19. Rockin K Trail Runs
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Apr 5, 2025Saturday
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50M, 26.2M trail run
More Information
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Ellsworth, KS
Ellsworth County, KS
20. Run the Ranch
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Apr 5, 2025Saturday
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12H, 6H, 4H trail run | 12H relay
More Information
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Loveland, CO
Larimer County, CO
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.