September Marathons in the West
| Featured Listings | ||||
|---|---|---|---|---|
| No | Race Date | Race | Location | Options |
| 1 |
Sep 28, 2025
Sunday
|
Boulderthon: Downtown Boulder Marathon
26.2M, 13.1M, 10K, 5K run | kids run
More Information
|
Boulder, CO
Boulder County, CO
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City Location
| No | Race Date | Race | Location | Options |
|---|---|---|---|---|
| 1 |
Past Date
Sep 1, 2024
Sunday
|
Crystal Springs
50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
More Information
|
Woodside, CA
San Mateo County, CA
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| 2 |
Past Date
Sep 1, 2024
Sunday
|
The Day Quest - The Edge of Ultra - 26.3
26.2M run | 26.3M trail run
More Information
|
Boulder, CO
Boulder County, CO
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| 3 |
Sep 6, 2025
Saturday
|
Cascade Express Marathon
26.2M run
More Information
 |
start
Snoqualmie Pass, WA
finish
North Bend, WA
King County, WA
Kittitas County, WA
|
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Boston Marathon Qualifier
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| 4 |
Sep 6, 2025
Saturday
|
GOAT Run
50K, 26.2M, 13.1M trail run
More Information
|
Port Angeles, WA
Clallam County, WA
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| 5 |
Sep 6, 2025
Saturday
|
Jump off Joe Marathon
26.2M, 13.1M, 10K trail run
More Information
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Kennewick, WA
Benton County, WA
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| 6 |
Sep 6, 2025
Saturday
|
Runtastic NEBO
26.2M, 13.1M, 10K, 5K run
More Information
|
Payson, UT
Utah County, UT
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Boston Marathon Qualifier
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| 7 |
Sep 6, 2025
Saturday
|
Salmon Marathon & Half Marathon
26.2M, 13.1M run
More Information
 |
Salmon, ID
Lemhi County, ID
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| 8 |
Sep 7, 2025
Sunday
|
AppleTree Marathon
26.2M, 13.1M run
Virtual Option
More Information
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Vancouver, WA
Clark County, WA
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Boston Marathon Qualifier
|
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| 9 |
Past Date
Sep 7, 2024
Saturday
|
Beat the Blerch
26.2M, 13.1M, 10K, 5K run
More Information
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Carnation, WA
King County, WA
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| 10 |
Sep 7, 2025
Sunday
|
Diablo Trail Run
50K, 26.2M, 13.1M, 10M, 4M trail run | kids run
More Information
|
Clayton, CA
Contra Costa County, CA
|
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| 11 |
Past Date
Sep 7, 2024
Saturday
|
Gut Check
26.2M, 13.1M, 5M run
More Information
|
Gunnison, UT
Sanpete County, UT
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| 12 |
Past Date
Sep 7, 2024
Saturday
|
Idaho Running Day
26.2M, 13.1M, 10K, 5K run
More Information
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Boise, ID
Ada County, ID
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| 13 |
Past Date
Sep 7, 2024
Saturday
|
Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
26.2M, 13.1M run
More Information
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Denver, CO
Denver County, CO
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| 14 |
Sep 7, 2025
Sunday
|
Surfers Point Marathon
26.2M, 13.1M, 10K, 5K run
More Information
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Ventura, CA
Ventura County, CA
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Boston Marathon Qualifier
|
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| 15 |
Past Date
Sep 8, 2024
Sunday
|
Skagit Flats Marathon
26.2M, 13.1M, 5M run
More Information
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Burlington, WA
Skagit County, WA
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Boston Marathon Qualifier
|
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| 16 |
Past Date
Sep 8, 2024
Sunday
|
Sundance to Spearfish Marathon
26.2M run
More Information
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start
Sundance, WY
finish
Spearfish, SD
Lawrence County, SD
Crook County, WY
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| 17 |
Sep 13, 2025
Saturday
|
Huntsville Utah Marathon
26.2M, 13.1M run
More Information
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Huntsville, UT
Weber County, UT
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Boston Marathon Qualifier
|
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| 18 |
Sep 13, 2025
Saturday
|
Priest Lake Marathon and 50K
50K, 26.2M, 13.1M run
More Information
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Priest Lake, ID
Bonner County, ID
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| 19 |
Sep 13, 2025
Saturday
|
REVEL Big Cottonwood
26.2M, 13.1M run
More Information
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Salt Lake City, UT
Salt Lake County, UT
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Boston Marathon Qualifier
|
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| 20 |
Past Date
Sep 14, 2024
Saturday
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South Hills Single Track Trail Run
50K, 26.2M, 16M, 13.1M, 9M, 10K, 5K trail run
More Information
|
San Jose, CA
Santa Clara County, CA
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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.