April Ultras in the USA
Snoqualmie, WA
Mt. Si Relay & Trail Runs
Apr 23, 2023
Virginia Beach, VA
Biffledinked 10 x 5K
Apr 23, 2022
Long Creek 60K
Apr 2, 2023
Williamsburg, VA
Singletrack Maniac 50K
Apr 1, 2023
Lock Haven, PA
Eagleton Trail Challenge
Apr 8, 2023
Queen Creek, AZ
Sinister Night Runs
Apr 22, 2023
Carrollton, KY
8 Hours of Power
Apr 22, 2023
Stratford, CT
Forgotten Forest Ultra Run
Apr 22, 2023
Asheville, NC
Ville to Ville Craft Brew Relay
Apr 15, 2023
Willard, MO
Frisco Railroad Run
Apr 29, 2023
Chillicothe, OH
The Buck Fifty
Apr 21, 2023
Oak Ridge, TN
Run Under The Stars
Apr 29, 2023
Richmond, VA
Ragnar Trail Richmond, VA
Apr 28, 2023
Pawling, NY
Summer Warm Up Run
Apr 30, 2023
Geneva, NY
Seneca7
Apr 23, 2023
Huntington Beach, CA
Ragnar So Cal
Apr 14, 2023
Leesport, PA
Naked Prussian Marathon & 50 Miler
Apr 2, 2022
Springfield, OH
Striding and Striving for Survivors
Apr 1, 2023
Ruston, LA
Old School Lincoln Parish Park
Apr 1, 2023
Sunderland, MA
Mt. Toby Ultra and 24K
Apr 9, 2022
Colorado Springs, CO
Rattler Trail Race
Apr 8, 2023
Cheyenne Mountain Trail Race
Apr 29, 2023
San Jose, CA
Sierra Azul Trail Challenge
Apr 29, 2023
Jackson, MS
Fondren Urban Ultra
Apr 22, 2023
Raleigh, NC
Umstead 100 Mile Endurance Run
Apr 1, 2023
Mountains-to-Sea Trail 12 Mile and 50K Challenge
Apr 16, 2023
Tobacco Road Relay
Apr 29, 2023
Brevard, NC
Smoky Mountain Relay
Apr 28, 2023
McClellanville, SC
Cooter Creek 50 Mile Trail Race
Apr 22, 2023
Issaquah, WA
Squak Mountain Trail Run
Apr 22, 2023
Ellensburg, WA
Yakima Skyline Rim 50K
Apr 15, 2023
Seattle, WA
Cottontail 6 &12 Hour
Apr 15, 2023
St. Louis, MO
Double Chubb
Apr 15, 2023
Bedford, VA
Promise Land 50K
Apr 22, 2023
Stillwater, OK
Lake McMurtry Run
Apr 8, 2023
Walnut Creek, CA
Diablo Trails Challenge
Apr 8, 2023
Moab, UT
Amasa Trail Race
Apr 15, 2023
Chatsworth, GA
Endurance Hunter 100
Apr 1, 2023
DT 100 Stone Anvil
Apr 19, 2023
Apr 20, 2023
Apr 21, 2023
Apr 22, 2023
Los Gatos, CA
Horseshoe Lake
Apr 23, 2023
Santa Clarita, CA
Valencia Trail Race
Apr 15, 2023
Los Angeles, CA
Cirque du Griffith Park
Apr 1, 2023
Heflin, AL
Rockin Choccolocco 50K
Apr 29, 2023
Conyers, GA
Ragnar Trail Atlanta
Apr 21, 2023
Hampton, VA
Virginia 24 Hour Run and Relay
Apr 22, 2023
Madison, WI
MadCity Ultras
Apr 22, 2023
Lake Hughes, CA
Leona Divide
Apr 22, 2023
Woodside, CA
Woodside Crossover
Apr 15, 2023
Cleburne, TX
Coyote Trail Run
Apr 22, 2023
Loveland, CO
Run the Ranch
Mar 31, 2023
Apr 1, 2023
Brooksville, FL
Croom Fools Run
Apr 1, 2023
Wildwood, MO
Ozark Foothills
Apr 15, 2023
Apr 16, 2023
Peninsula, OH
Fools 50K and 25K
Apr 8, 2023
Spokane, WA
Spokane River Run
Apr 23, 2023
Roanoke, VA
Blue Ridge Marathon
Apr 22, 2023
Prescott, AZ
Whiskey Basin Trail Runs
Apr 15, 2023
Pinckney, MI
Trail Marathon
Apr 29, 2023
Kirtland, OH
Outrun 24 Hour Trail Race
Apr 29, 2023
Crystal Lake, IL
Earth Day 50K
Apr 22, 2023
Golconda, IL
River to River Relay
Apr 22, 2023
Port Angeles, WA
Frosty Moss Relay
Apr 1, 2023
OAT Run
Apr 15, 2023
Oshkosh, WI
Run Away To the Bay
Apr 15, 2023
Hobe Sound, FL
Dunes Endurance Challenge
Apr 22, 2023
Boston, MA
TARC Don't Run Boston Races
Apr 16, 2023
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 30, 2023
Ashburn, VA
Growler Team Relay
Apr 15, 2023
Clifton, VA
Bull Run Run 50 Mile
Apr 15, 2023
Columbia, MO
The 24 Hour Lions Roar
Apr 21, 2023
Apr 22, 2023
Palm Springs, CA
Beyond Limits Ultra
Apr 13, 2023
Austin, TX
Austin Falls Ultra
Apr 8, 2023
Green Bay, WI
Run Away To the Bay
Apr 15, 2023
Calistoga, CA
Napa Valley Endurance Run
Apr 16, 2023
Coronado, CA
Ragnar So Cal
Apr 14, 2023
Smithville, TX
Hells Hills Trail Race
Mar 31, 2023
Apr 1, 2023
Tuscaloosa, AL
The Phoenix Trail Fest
Apr 22, 2023
Aurora, IL
Zoomies 50K
Apr 22, 2023
South Orange, NJ
Spring SOMO Timed Trail Races
Apr 1, 2023
Myrtle Beach, SC
Good Stuff Ultra Challenge
Apr 15, 2023
Apex Trail Run
Apr 22, 2023
Derry, NH
Cheap Marathon
Apr 16, 2023
Little Rock, AR
Ouachita Trail 50 Endurance Run
Apr 15, 2023
Jackson, GA
Bootlegger
Apr 1, 2023
Oakland, CA
Redwood
Apr 1, 2023
Brighton, CO
Runs With Scissors Races
Apr 8, 2023
Kalamazoo, MI
Kal-Haven Trail Run
Apr 1, 2023
Loudonville, OH
Forget the PR, Mohican 50K/25K
Apr 22, 2023
Castro Valley, CA
SPASM Lake Chabot
Apr 15, 2023
Rockford, MN
Trail Mix Race
Apr 22, 2023
Morgantown, WV
Coopers Rock 50K
Apr 29, 2023
East Islip, NY
Shore 2 Shore
Apr 15, 2023
Terrebonne, OR
Smith Rock Ascent
Apr 8, 2023
New Auburn, WI
Chippewa 50K
Apr 22, 2023
Morehead, KY
Big Turtle Trail Races
Apr 22, 2023
Healdsburg, CA
Lake Sonoma 50
Apr 7, 2023
Apr 8, 2023
Pine, AZ
Zane Grey 100K
Apr 22, 2023
Blue Ridge, GA
Endurance Hunter 100
Apr 1, 2023
Taylorsville, NC
Alexander County 6/12/24 hour Race
Apr 15, 2023
Sisters, OR
Peterson Ridge Rumble
Apr 2, 2023
Canon City, CO
Royal Gorge Groove
Apr 22, 2023
Weston, MA
TARC Spring Classic Trail Race
Apr 22, 2023
Lithia Springs, GA
SweetH2O 50K
Apr 1, 2023
Bellefonte, PA
Hearts For The Homeless Challenge
Apr 7, 2023
Reedley, CA
Silver Moon Race: Reedley
Apr 8, 2023
Borrego Springs, CA
Badwater Salton Sea
Apr 29, 2023
Burnet, TX
Pandora's Box of Rox Trail Race
Apr 29, 2023
Parkton, MD
Gunpowder Keg Ultra
Apr 15, 2023
Waxahachie, TX
Hachie 50
Apr 22, 2023
Cascade Locks, OR
Gorge Waterfalls
Apr 2, 2023
Apr 1, 2023
Bryson City, NC
Smoky Mountain Relay
Apr 28, 2023
Hyner, PA
Hyner View Trail Challenge
Apr 22, 2023
Roseburg, OR
Roseburg to Coos Bay Relay
Apr 22, 2023
Tijeras, NM
Cedro Peak
Apr 22, 2023
Winnabow, NC
The Hydra
Apr 22, 2023
Amherst, NY
Buffalo Runners 6 Hour Classic
Apr 23, 2023
Loxahatchee, FL
JW Corbett Trail Races
Apr 8, 2023
Theilman, MN
Zumbro Endurance Run
Apr 7, 2023
Apr 8, 2023
Smithland, KY
Herzog 100
Apr 22, 2023
Marcola, OR
Shotgun Trail Blast
Apr 1, 2023
Sewanee, TN
Rim Runner
Apr 1, 2023
Apr 2, 2023
Forest Ranch, CA
Little Loco Relay
Apr 1, 2023
Gladstone, VA
James River Trail Runs
Apr 15, 2023
Foresthill, CA
Canyons Endurance Runs
Apr 28, 2023
Apr 29, 2023
Fort McDowell, AZ
AZ Onyx
Apr 22, 2023
Apr 21, 2023
Julian, CA
Oriflamme 50K
Apr 15, 2023
Mont Clare, PA
Schuylkill River Relay
Apr 22, 2023
Ellsworth, KS
Rockin K Trail Runs
Apr 1, 2023
Quitaque, TX
Wild Canyon Ultra
Apr 22, 2023
Copperhill, TN
Big Frog Trail Runs
Apr 23, 2023
Apple Valley, UT
Zion Ultra Marathons
Apr 15, 2023
Apr 16, 2023
Wallingford, KY
Bluegrass Ultra Trail Race
Apr 1, 2023
Slater-Marietta, SC
The Country Mile
Apr 2, 2023
Apr 1, 2023
Mar 31, 2023
Vesuvius, VA
UROC 100K, Uber Rock 50K & Cruxy 25K
Apr 29, 2023
Altura, MN
Storm the Park
Apr 22, 2023
Hooversville, PA
On The Dam Trail
Apr 29, 2023
Orcas Island, WA
Orcas Island Trail Runs
Apr 22, 2023
Apr 23, 2023
Brazos Bend State Park, TX
Brazos Bend 50
Apr 1, 2023
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. American River 50 Mile Endurance Run
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Apr 1, 2023Saturday
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50M, 25M trail run
More Information
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Folsom, CA
Sacramento County, CA
2. Bluegrass Ultra Trail Race
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Apr 1, 2023Saturday
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50K, 25K, 5M trail run
More Information
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Wallingford, KY
Fleming County, KY
3. Bootlegger
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Apr 1, 2023Saturday
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100M, 50M trail run
More Information
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Jackson, GA
Butts County, GA
4. Brazos Bend 50
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Apr 1, 2023Saturday
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100K, 50M, 50K, 25K, 10K, 5K trail run
More Information
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Brazos Bend State Park, TX
Fort Bend County, TX
5. Cirque du Griffith Park
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CancelledApr 1, 2023Saturday
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100M, 12H, 6H run
More Information
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Los Angeles, CA
Los Angeles County, CA
6. Croom Fools Run
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Apr 1, 2023Saturday
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50M, 50K, 16M trail run
More Information
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Brooksville, FL
Hernando County, FL
7. Endurance Hunter 100
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Apr 1, 2023Saturday
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100M, 100K trail run
More Information
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startBlue Ridge, GAfinishChatsworth, GAMurray County, GAFannin County, GA
8. Extreme North Dakota Sandhills Ultra Run Experience (END-SURE)
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Apr 1, 2023Saturday
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100K, 50K, 25K trail run
More Information
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McLeod, ND
Ransom County, ND
9. Frosty Moss Relay
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Apr 1, 2023Saturday
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80M, 30M relay
More Information
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Port Angeles, WA
Clallam County, WA
10. Gorge Waterfalls
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Apr 1, 2023Saturday
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100K trail run
More Information
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Cascade Locks, OR
Hood River County, OR
11. Hells Hills Trail Race
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Apr 1, 2023Saturday
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50M, 50K, 25K, 10K trail run
More Information
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Smithville, TX
Bastrop County, TX
12. Kal-Haven Trail Run
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Apr 1, 2023Saturday
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33.5M trail run | 33.5M relay
More Information
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Kalamazoo, MI
Kalamazoo County, MI
13. Little Loco Relay
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Apr 1, 2023Saturday
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65M relay
More Information
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Forest Ranch, CA
Butte County, CA
14. Old School Lincoln Parish Park
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Apr 1, 2023Saturday
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30M, 20M, 10M, 5M trail run
More Information
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Ruston, LA
Lincoln County, LA
15. Redwood
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Apr 1, 2023Saturday
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50K, 26.2M, 30K, 13.1M, 5M trail run | kids run
More Information
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Oakland, CA
Alameda County, CA
16. Rim Runner
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Apr 1, 2023Saturday
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100M, 50M, 26.2M trail run
More Information
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Sewanee, TN
Franklin County, TN
17. Rockin K Trail Runs
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Apr 1, 2023Saturday
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50M, 26.2M trail run
More Information
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Ellsworth, KS
Ellsworth County, KS
18. Run the Ranch
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Apr 1, 2023Saturday
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12H, 6H, 4H trail run | 12H relay
More Information
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Loveland, CO
Larimer County, CO
19. Shotgun Trail Blast
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Apr 1, 2023Saturday
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50K, 25K, 10K, 5K trail run
More Information
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Marcola, OR
Lane County, OR
20. Singletrack Maniac 50K
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Apr 1, 2023Saturday
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50K, 10K trail run
More Information
- Williamsburg, VA
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.