September Half Marathon Trail Runs in the USA
Marquette, MI
Lake Superior Shore Run
Sep 28, 2024
Saugatuck, MI
Mt. Baldhead Challenge
Sep 7, 2024
Dallas, TX
Rock Dallas Trail Runs
Sep 10, 2023
Holland, MI
Riley Trails Marathon
Sep 14, 2024
Big Sur, CA
Big Sur Trail Marathon
Sep 28, 2024
Glenwood Springs, CO
Sunlight Showdown
Sep 22, 2024
Mount Airy, MD
Linganore Winecellars Cross Country Classic
Sep 24, 2023
Maplewood, NJ
FallApple
Sep 7, 2024
New Rochelle, NY
Paine to Pain Trail Half Marathon
Sep 29, 2024
Carlisle, MA
TARC Fall Classic
Sep 7, 2024
Berkeley, CA
Berkeley Trail Adventure
Sep 14, 2024
Newport, OR
Twisted Pine Run
Sep 8, 2024
Mifflinburg, PA
The Dam Half
Sep 17, 2023
San Jose, CA
Quicksilver Trail Challenge
Sep 16, 2023
South Hills Single Track Trail Run
Sep 14, 2024
Minneapolis, MN
Utepils Trail Loppet
Sep 14, 2024
Sep 15, 2024
Douthat State Park, VA
Odyssey Trail Running Rampage
Sep 7, 2024
Pacifica, CA
Pacifica Summit Run
Sep 28, 2024
Buena Vista, CO
Trail Sisters Women's Half Marathon
Sep 14, 2024
Summerville, GA
Twisted Ankle Trail Race
Sep 7, 2024
Dade City, FL
Wild Boar Night Run
Sep 14, 2024
Louisville, CO
Louisville Trail Race
Sep 28, 2024
Woodside, CA
Crystal Springs
Sep 1, 2024
Adrian, MI
Heritage 13.1 & 50K Trail Run
Sep 29, 2024
Gilroy, CA
Mt. Madonna Challenge
Sep 7, 2024
Nederland, CO
Ned Ned Run
Sep 9, 2023
Wildwood, MO
Rockin' Rockwoods Ultra Run
Sep 14, 2024
Pinckney, MI
Run Woodstock
Sep 6, 2024
Sep 7, 2024
Sep 8, 2024
Martinsville, IN
Run with the Foxes
Sep 28, 2024
Aspen, CO
Golden Leaf Half Marathon
Sep 23, 2023
San Ramon, CA
Rocky Ridge Trail Half Marathon
Sep 21, 2024
Port Angeles, WA
GOAT Run
Sep 7, 2024
Auburn, CA
Sunset & Cider Trail Races
Sep 28, 2024
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Myrtle Beach, SC
Seton Trail Classic
Sep 30, 2023
Ann Arbor, MI
Treetown Tussle
Sep 24, 2023
Fairfax Station, VA
Women's Half Marathon Trail Run
Sep 7, 2024
Kennewick, WA
Jump off Joe Marathon
Sep 7, 2024
Breckenridge, CO
Breck Crest Mountain Marathon
Sep 3, 2023
Conway, NH
Kismet Cliff Run
Sep 15, 2024
Ridgway, CO
John Wayne Grit Series
Sep 21, 2024
Telluride, CO
Deep Creek Trail Half Marathon
Sep 28, 2024
Thompsonville, MI
Betsie Valley Trail Run
Sep 23, 2023
Spicewood, TX
Mellow Trail Race
Sep 7, 2024
Bellvue, CO
Black Squirrel Half Marathon
Sep 7, 2024
Sisters, OR
Three Sisters Skyline
Sep 21, 2024
Anacortes, WA
Fidalgo Trail Run
Sep 28, 2024
Taos Ski Valley, NM
Bull Of The Woods Trail Race
Sep 14, 2024
White Lake, WI
Wolfman Triathlon & Trail Run
Sep 7, 2024
Oxford, ME
Happy Moose Half Marathon
Sep 14, 2024
Klamath Falls, OR
Moore Mountain Trail Run
Sep 16, 2023
Paris, TX
Paris Pair
Sep 21, 2024
Willits, CA
Celebration of Life - Trail Trek
Sep 24, 2023
Richfield, OH
Crowell Hilaka Trail Run
Sep 15, 2024
Buxton, OR
Stub Stewart Trail Challenge
Sep 29, 2024
Delaplane, VA
Spring Valley View Hard Cider Challenge
Sep 15, 2024
Valley View Hard Cider Challenge
Sep 15, 2024
Marietta, SC
Jones Gap Half Marathon
Sep 14, 2024
Cottage Grove, MN
13 Mile Scavenger Race
Sep 7, 2024
Ravenna, OH
Best of the West Marathon
Sep 21, 2024
Iron Mountain, MI
Run Iron Mountain
Sep 21, 2024
Claysburg, PA
Rock 'N The Knob Trail Races at Blue Knob
Sep 14, 2024
Allenstown, NH
Bear Brook Trail Marathon
Sep 28, 2024
Borden, IN
Sorta Mountain Stage Race
Sep 14, 2024
Shenandoah, IA
Wabash Trace Marathon
Sep 9, 2023
North East, PA
Bull Dam Trail Run
Sep 3, 2023
Nerstrand, MN
Big Woods Run
Sep 30, 2023
Harpers Ferry, IA
Iowa Trail Runs - Yellow River State Park
Sep 15, 2024
Carrabassett Valley, ME
XTERRA Trail Run World Championship
Aug 31, 2024
Sep 1, 2024
San Felipe, TX
Night Moves Trail Race
Sep 14, 2024
Stony Point, NY
Suffer'n Bear Ultra
Sep 28, 2024
Mendocino, CA
Mendocino Running Festival
Sep 7, 2024
Arnold, CA
Arnold Rim Trail Endurance Runs
Sep 28, 2024
Pahala, HI
Ka'u Coffee Trail Runs
Sep 23, 2023
Parsons, WV
Blackwater Canyon Half Marathon
Sep 14, 2024
Nobleboro, ME
Race Through the Woods
Sep 30, 2023
Loma Mar, CA
Groves Trail Run
Sep 7, 2024
South Pass City, WY
Run The Red Desert
Sep 28, 2024
Somerville, TX
The Trailway Trail Race
Sep 28, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Ehrhardt, SC
Salkehatchie Shuffle
Sep 9, 2023
Jamestown, CO
Calarat Challenge Trail Running Festival
Sep 3, 2023
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Crystal Springs
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Sep 1, 2024Sunday
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50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
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Woodside, CA
San Mateo County, CA
2. Two Hollows Monster Marathon and Half Marathon
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Sep 1, 2024Sunday
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26.2M, 13.1M trail run
More Information
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Ithaca, NY
Tompkins County, NY
3. XTERRA Trail Run World Championship
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Sep 1, 2024Sunday
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26.2M, 13.1M trail run
More Information
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Carrabassett Valley, ME
Franklin County, ME
4. Breck Crest Mountain Marathon
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Past DateSep 3, 2023Sunday
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23M, 13.1M, 10K trail run
More Information
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Breckenridge, CO
Summit County, CO
5. Bull Dam Trail Run
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Past DateSep 3, 2023Sunday
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13.1M, 10K, 5K trail run
More Information
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North East, PA
Erie County, PA
6. Calarat Challenge Trail Running Festival
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Past DateSep 3, 2023Sunday
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13.1M, 10K, 5K trail run | kids run
More Information
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Jamestown, CO
Boulder County, CO
7. 13 Mile Scavenger Race
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Sep 7, 2024Saturday
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13.1M, 10K, 5K trail run
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Cottage Grove, MN
Washington County, MN
8. Black Squirrel Half Marathon
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Sep 7, 2024Saturday
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13.1M trail run
More Information
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Bellvue, CO
Larimer County, CO
9. Eastbound Half Marathon
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Sep 7, 2024Saturday
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13.1M, 5K trail run
More Information
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Charlotte, NC
Mecklenburg County, NC
10. FallApple
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Sep 7, 2024Saturday
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50M, 50K, 26.2M, 13.1M, 10K trail run
More Information
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Maplewood, NJ
Essex County, NJ
11. GOAT Run
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Sep 7, 2024Saturday
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50K, 26.2M, 13.1M trail run
More Information
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Port Angeles, WA
Clallam County, WA
12. Groves Trail Run
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Sep 7, 2024Saturday
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50K, 30K, 13.1M trail run
More Information
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Loma Mar, CA
San Mateo County, CA
13. Jump off Joe Marathon
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Sep 7, 2024Saturday
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26.2M, 13.1M, 10K trail run
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Kennewick, WA
Benton County, WA
14. Mellow Trail Race
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Sep 7, 2024Saturday
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26.2M, 13.1M, 10K, 5K trail run
More Information
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Spicewood, TX
Burnet County, TX
15. Mendocino Running Festival
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Sep 7, 2024Saturday
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12H, 6H, 13.1M, 10K trail run | 6H relay
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Mendocino, CA
Mendocino County, CA
16. Mt. Baldhead Challenge
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Sep 7, 2024Saturday
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13.1M, 10K trail run
More Information
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Saugatuck, MI
Allegan County, MI
17. Mt. Madonna Challenge
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Sep 7, 2024Saturday
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13.1M, 10K, 5K run | 13.1M, 10K, 5K trail run
More Information
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Gilroy, CA
Santa Clara County, CA
18. Odyssey Trail Running Rampage
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Sep 7, 2024Saturday
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50K, 26.2M, 13.1M, 6M trail run
More Information
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Douthat State Park, VA
Bath County, VA
19. Run Woodstock
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Sep 7, 2024Saturday
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50M, 50K, 26.2M, 13.1M, 5M trail run
More Information
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Pinckney, MI
Livingston County, MI
20. TARC Fall Classic
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Sep 7, 2024Saturday
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50M, 50K, 20M, 13.1M, 10K trail run | kids run
More Information
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Carlisle, MA
Middlesex County, MA
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.