May Half Marathon Trail Runs in the USA
Enumclaw, WA
Mud Mountain Trail Fest
May 18, 2024
Fort Worth, TX
Tacos y Cerveza Trail Run
May 18, 2024
Nashville, IN
Dances With Dirt - Gnaw Bone
May 18, 2024
Portland, OR
Stumptown Trail Runs
May 27, 2024
May 25, 2024
Sammamish, WA
Soaring Eagle Trail Run
May 18, 2024
Bastrop, TX
Wildflower Trail Runs
May 4, 2024
May 5, 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
East Peoria, IL
Blue Chevy Trail Classic
May 20, 2023
Orem, UT
Timp Trail Marathon
May 18, 2024
Fruita, CO
Fruita Trail Half
May 12, 2024
College Station, TX
Hog Crazy Trail Run
May 4, 2024
Bedford, VA
Trail Nut 10K and Half Marathon
May 4, 2024
Stinson Beach, CA
Stinson Beach/Muir Woods Marathon
May 10, 2025
Pacifica, CA
Pacifica Foothills Trail Run
May 18, 2024
Folsom, CA
Folsom Lake Trail Run
May 4, 2024
Buena Vista, CO
Spirit Trail Run
May 26, 2024
Huntsville, AL
Smoke Rise Trail Run
May 11, 2024
Laramie, WY
Wyoming Marathon Races
May 26, 2024
Chattanooga, TN
Scenic City Trail Marathon
May 11, 2024
Ipswich, MA
Spring for the Trails Half Marathon
May 11, 2024
Lewis Center, OH
Alum Creek Trail Race
May 18, 2024
May 19, 2024
Burlington, NC
Cedarock Trail Run
May 18, 2024
La Grange, WI
Ice Age Trail Run
May 11, 2024
Pollock Pines, CA
Trail Run at Sly Park
May 11, 2024
Beacon, NY
Breakneck Point Trail Runs
May 5, 2024
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
Fairfax Station, VA
Fountainhead Half Marathon and 10K Trail Run
May 19, 2024
Hoffman Estates, IL
Deer Grove Trail Half Marathon and 10K
May 19, 2024
Nashotah, WI
Wisconsin Trail Assail - Mother's Day
May 12, 2024
Terrebonne, OR
Crush Cancer Run
May 18, 2024
Placerville, CA
Placerville Path Memorial Day Run
May 25, 2024
Thompsonville, MI
North Mitten Half Marathon
May 11, 2024
Marana, AZ
Tortolita Traverse Half Marathon
May 4, 2024
El Sobrante, CA
Wildcat Half Marathon
May 18, 2024
Gadsden, AL
Noccalula Falls Spring Trail Run
May 4, 2024
Sisters, OR
Sisters Country
May 4, 2025
Johnson City, TX
Texas Switchback Trail Race
May 11, 2024
Belleville, WI
Sugar Badger 50/50
May 25, 2024
Perrysville, OH
Mohican Trail Race
May 11, 2024
May 12, 2024
Greenwood Furnace State Park, PA
Greenwood Furnace Trail Challenge
May 5, 2024
Middleburg, FL
Ocho de Mayhem
May 4, 2024
Makanda, IL
Red Cedar Trail Half Marathon
May 25, 2024
White Salmon, WA
Fire on the Mountain Half
May 4, 2024
Mohnton, PA
Charlie Horse Half Marathon
May 26, 2024
Westmore, VT
The Black Fly
May 18, 2024
Olive Hill, KY
Carter Caves Half Marathon
May 11, 2024
Pawhuska, OK
Flower Moon
May 11, 2024
Divide, CO
Endure Trail Runs
May 17, 2025
San Pablo, CA
Nitro Trail Half Marathon
May 11, 2024
Lyons, WI
Memorial Day Run
May 26, 2024
Stockton, UT
Connor's Claims
May 25, 2024
Grayson Highlands State Park, VA
Grayson Highlands
May 4, 2025
May 3, 2025
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Hacienda Hills Run
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May 3, 2025Saturday
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50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
2. Fire on the Mountain Half
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Past DateMay 4, 2024Saturday
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13.1M trail run
More Information
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White Salmon, WA
Klickitat County, WA
3. Folsom Lake Trail Run
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Past DateMay 4, 2024Saturday
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50K, 30K, 13.1M, 10K trail run
More Information
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Folsom, CA
Sacramento County, CA
4. Grayson Highlands
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May 4, 2025Sunday
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13.1M trail run
More Information
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Grayson Highlands State Park, VA
Grayson County, VA
5. Hog Crazy Trail Run
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Past DateMay 4, 2024Saturday
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13.1M, 10K trail run
More Information
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College Station, TX
Brazos County, TX
6. Noccalula Falls Spring Trail Run
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Past DateMay 4, 2024Saturday
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13.1M, 5M trail run
More Information
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Gadsden, AL
Etowah County, AL
7. Ocho de Mayhem
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Past DateMay 4, 2024Saturday
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13.1M, 12K trail run
More Information
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Middleburg, FL
Clay County, FL
8. Sisters Country
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May 4, 2025Sunday
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20M, 13.1M trail run
More Information
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Sisters, OR
Deschutes County, OR
9. Tortolita Traverse Half Marathon
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Past DateMay 4, 2024Saturday
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13.1M, 7M trail run
More Information
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Marana, AZ
Pima County, AZ
10. Trail Nut 10K and Half Marathon
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Past DateMay 4, 2024Saturday
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13.1M, 10K run | 13.1M, 10K trail run
More Information
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Bedford, VA
Bedford County, VA
11. Breakneck Point Trail Runs
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Past DateMay 5, 2024Sunday
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26.2M, 13.1M trail run
More Information
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Beacon, NY
Dutchess County, NY
12. Greenwood Furnace Trail Challenge
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Past DateMay 5, 2024Sunday
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13.1M trail run
More Information
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Greenwood Furnace State Park, PA
Centre County, PA
13. Palm Bluff Trail Race and Ultra Marathon
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Past DateMay 5, 2024Sunday
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50K, 13.1M, 12K trail run
More Information
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Osteen, FL
Volusia County, FL
14. Wildflower Trail Runs
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Past DateMay 5, 2024Sunday
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26.2M, 13.1M, 7M trail run
More Information
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Bastrop, TX
Bastrop County, TX
15. Stinson Beach/Muir Woods Marathon
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May 10, 2025Saturday
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26.2M, 13.1M, 7M trail run
More Information
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Stinson Beach, CA
Marin County, CA
16. Carter Caves Half Marathon
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Past DateMay 11, 2024Saturday
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13.1M trail run
More Information
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Olive Hill, KY
Carter County, KY
17. Flower Moon
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Past DateMay 11, 2024Saturday
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50M, 26.2M, 13.1M, 5K trail run
More Information
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Pawhuska, OK
Osage County, OK
18. Grizzly Peak Trail Run
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Past DateMay 11, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
More Information
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Berkeley, CA
Alameda County, CA
19. Ice Age Trail Run
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Past DateMay 11, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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La Grange, WI
Walworth County, WI
20. Mohican Trail Race
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Past DateMay 11, 2024Saturday
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8H, 13.1M, 10K, 5K trail run | 20K relay
More Information
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Perrysville, OH
Ashland County, OH
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.