September Half Marathons within 400 miles of Georgetown, CO
Evergreen, CO
Bergen Peak Half Marathon
Sep 14, 2024
Glenwood Springs, CO
Sunlight Showdown
Sep 22, 2024
Cody, WY
Buffalo Bill Cody Races
Sep 14, 2024
Denver, CO
Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
Sep 7, 2024
Nun Run
Sep 15, 2024
Cheyenne, WY
Great Bison Shuffle
Sep 21, 2024
Colorado Springs, CO
Colorado Springs Marathon
Sep 28, 2024
Salt Lake City, UT
REVEL Big Cottonwood
Sep 14, 2024
Parker, CO
Labor Day Half Marathon
Sep 2, 2024
Louisville, CO
Louisville Trail Race
Sep 28, 2024
Albuquerque, NM
Chips & Salsa Half Marathon
Sep 8, 2024
Gunnison, UT
Gut Check
Sep 7, 2024
Nederland, CO
Ned Ned Run
Sep 9, 2023
Santa Fe, NM
Santa Fe International Half Marathon
Sep 15, 2024
Casper, WY
T-Bird Trek
Sep 8, 2024
Aspen, CO
Golden Leaf Half Marathon
Sep 28, 2024
Jackson Hole, WY
Jackson Hole Marathon
Sep 28, 2024
Frisco, CO
Run the Rockies Half Marathon
Sep 21, 2024
South Jordan, UT
Jordan River Half Marathon
Sep 28, 2024
Pinedale, WY
Race to Raise
Sep 21, 2024
Huntsville, UT
Huntsville Utah Marathon
Sep 21, 2024
Brighton, CO
Adams Half & 5K
Sep 17, 2023
Breckenridge, CO
Breck Crest Mountain Marathon
Sep 3, 2023
Trinidad, CO
The Rad Dirt Fest
Sep 28, 2024
West Jordan, UT
Witch Run
Sep 28, 2024
Ridgway, CO
John Wayne Grit Series
Sep 21, 2024
Telluride, CO
Deep Creek Trail Half Marathon
Sep 28, 2024
Bellvue, CO
Black Squirrel Half Marathon
Sep 7, 2024
Payson, UT
Runtastic Mt. Nebo
Sep 7, 2024
Mapleton, UT
Moonlight Half Marathon
Sep 13, 2024
Taos Ski Valley, NM
Bull Of The Woods Trail Race
Sep 14, 2024
North Platte, NE
Autumn River Run
Sep 14, 2024
Corrales, NM
Corrales Ditch Run
Sep 22, 2024
Sterling, CO
Center of the Nation Series - Day 1
Sep 30, 2024
Wolf, WY
Wolf Creek Wrangle
Sep 21, 2024
Beulah, CO
Beulah Challenge
Sep 21, 2024
Scottsbluff, NE
Monument Marathon
Sep 28, 2024
Fort Collins, CO
Fall Equinox Marathon
Sep 22, 2024
Keystone, SD
Mount Rushmore Half Marathon
Sep 21, 2024
Smith Center, KS
Race to the Center Half Marathon
Sep 14, 2024
South Pass City, WY
Run The Red Desert
Sep 28, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Jamestown, CO
Calarat Challenge Trail Running Festival
Sep 3, 2023
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
1. Labor Day Half Marathon
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Sep 2, 2024Monday
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13.1M, 10K, 5K run
More Information
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Parker, CO
51 miles point to pointDouglas County, CO
2. 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
24 miles point to pointSummit County, CO
3. 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
32 miles point to pointBoulder County, CO
4. 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
69 miles point to pointLarimer County, CO
5. Gut Check
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Sep 7, 2024Saturday
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26.2M, 13.1M, 5M run
More Information
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Gunnison, UT
327 miles point to pointSanpete County, UT
6. Runtastic Mt. Nebo
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Sep 7, 2024Saturday
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26.2M, 13.1M, 10K, 5K run
More Information
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Boston Marathon Qualifier
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Payson, UT
321 miles point to pointUtah County, UT
7. Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
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Sep 7, 2024Saturday
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26.2M, 13.1M run
More Information
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Denver, CO
37 miles point to pointDenver County, CO
8. Chips & Salsa Half Marathon
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Sep 8, 2024Sunday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Albuquerque, NM
324 miles point to pointBernalillo County, NM
9. T-Bird Trek
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Sep 8, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Casper, WY
218 miles point to pointNatrona County, WY
10. Ned Ned Run
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Past DateSep 9, 2023Saturday
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13.1M, 10K, 5K trail run
More Information
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Nederland, CO
20 miles point to pointBoulder County, CO
11. Moonlight Half Marathon
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Sep 13, 2024Friday
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13.1M run
More Information
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Mapleton, UT
313 miles point to pointUtah County, UT
12. All-Out Fall Fest
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Sep 14, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
36 miles point to pointAdams County, COJefferson County, CO
13. Autumn River Run
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Sep 14, 2024Saturday
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13.1M, 5K run
More Information
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Boston Marathon Qualifier
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North Platte, NE
279 miles point to pointLincoln County, NE
14. Bergen Peak Half Marathon
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Sep 14, 2024Saturday
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13.1M trail run
More Information
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Evergreen, CO
21 miles point to pointJefferson County, CO
15. Buffalo Bill Cody Races
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Sep 14, 2024Saturday
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13.1M, 10K run
More Information
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Cody, WY
377 miles point to pointPark County, WY
16. Bull Of The Woods Trail Race
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Sep 14, 2024Saturday
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26.2M, 13.1M trail run
More Information
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Taos Ski Valley, NM
216 miles point to pointTaos County, NM
17. Race to the Center Half Marathon
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Sep 14, 2024Saturday
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13.1M, 10K run
More Information
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Smith Center, KS
366 miles point to pointSmith County, KS
18. REVEL Big Cottonwood
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Sep 14, 2024Saturday
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26.2M, 13.1M run
More Information
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Boston Marathon Qualifier
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Salt Lake City, UT
336 miles point to pointSalt Lake County, UT
19. Trail Sisters Women's Half Marathon
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Sep 14, 2024Saturday
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13.1M, 10K trail run
More Information
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Buena Vista, CO
65 miles point to pointChaffee County, CO
20. Valkyrie Multisport Relay
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Sep 14, 2024Saturday
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26.2M, 13.1M run | 100M relay | 100M adventure race
More Information
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Midway, UT
311 miles point to pointWasatch County, UT
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.