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Half Marathons found in September
View all ↓Half Marathons in September 2026
Find A Race is the US's favourite event listings site. Check out our list of September 2026 Half Marathons below.
Race Calendar: Half Marathons found in September
🚀Boosted
Oklahoma Fallen Heroes
Oklahoma City, Oklahoma
Sat 19 Sep 26
$54.98 - $76.33
🚀Boosted
Oak Tree Half Marathon & 5K Run/Walk
Geneseo, New York
Sun 06 Sep 26
$25.00 - $65.00
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National Chocolate Day: Run for Chocolates 5K/10K/13.1 ATLANTA
Atlanta, Georgia
Sat 12 Sep 26
$32.80 - $48.70
Jones Gap Trail Half Marathon
Marietta, South Carolina
Sat 12 Sep 26
$43.40
Run for Mental Health 5K/10K/13.1 SAN ANTONIO
San Antonio, Texas
Sat 12 Sep 26
$32.80 - $48.70
Run for Mental Health 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 12 Sep 26
$32.80 - $48.70
Boston or Bust Marathon
Huntsville, Alabama
Sun 13 Sep 26
$64.60 - $80.50
Golden Harvest Half Marathon & 5k/10k - Fayetteville
Fayetteville, Arkansas
Sun 13 Sep 26
$20.83 - $62.28
River Run Half Marathon
Berea, Ohio
Sun 13 Sep 26
$75.20
Golden Harvest Half Marathon & 5k/10k - Columbus
Columbus, Ohio
Sun 13 Sep 26
$20.83 - $62.28
Golden Harvest Half Marathon & 5k/10k - Tulsa
Tulsa, Oklahoma
Sun 13 Sep 26
$20.83 - $62.28
Heroes and Villains Half Marathon - Houston
Sugarland, Texas
Sun 13 Sep 26
$19.60 - $55.63
Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs
Long Beach, California
Sun 13 Sep 26
$42.33 - $57.17
Pumpkinman Half Marathon and Running Festival!
South Berwick, Maine
Sun 13 Sep 26
$23.00 - $129.20
Bozeman Half Marathon & 10K
Bozeman, Montana
Sun 13 Sep 26
$59.69 - $105.18
Skagit Flats Marathon, Half & 5k
Burlington, Washington
Sun 13 Sep 26
$32.80 - $69.90
Heroes and Villains Half Marathon - Austin
Austin, Texas
Sun 13 Sep 26
$19.60 - $55.63
Cherry City Half Marathon, 10K, 5K & Kids Race
Salem, Oregon
Sun 13 Sep 26
$27.50 - $101.70
Great Miami Riverway Half
Troy, Ohio
Sun 13 Sep 26
$65.35
Half Marathon-by-the-Sea
Manchester-by-the-Sea, Massachusetts
Sun 13 Sep 26
$88.48
2026 Holland Haven Marathon
Holland, Michigan
Sun 13 Sep 26
$48.70 - $133.50
Boring Marathon, Half-Boring Half Marathon, Constantly Boring 10K, and Somewhat Boring 5K Race Series
Boring, Oregon
Sun 13 Sep 26 - Sun 27 Sep 26
$33.05 - $86.05
The Racefaster Half Marathon
Paramus, New Jersey
Sun 13 Sep 26
$80.80
YMCA Harrisburg Half & 10K
Harrisburg, Pennsylvania
Sun 13 Sep 26
$48.75 - $85.80
Hub City Races: Half, 10K & 5K
Crown Point, Indiana
Sun 13 Sep 26
$32.80 - $54.00
NM CHIPS AND SALSA HALF MARATHON + 10K, 5K RUN OR WALK AND KIDS K
Albuquerque, New Mexico
Sun 13 Sep 26
$17.65 - $86.55
Valor
Kilgore, Texas
Sun 13 Sep 26
Free - $64.60
Annapolis RUN for The Light House
Annapolis, Maryland
Fri 18 Sep 26 - Sun 20 Sep 26
$27.50 - $99.58
2026 - NorthShore Inline Marathon
Duluth, Minnesota
Fri 18 Sep 26
Free - $165.30
Community First Fox Cities Marathon presented by Miron Construction
Menasha, Wisconsin
Fri 18 Sep 26 - Sun 20 Sep 26
$16.90 - $213.00
Medal Madness 5K, 10K & 13.1M at Wilmington, NC (38)
Wilmington, North Carolina
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, 13.1M at Fort Pierce, FL (38)
Fort Pierce, Florida
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Winston-Salem, NC (38)
Winston-Salem, North Carolina
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Beavercreek, OH (38)
Beavercreek, Ohio
Sat 19 Sep 26
$33.80 - $70.90
23nd Annual Groom Creek Classic: 1/2 Marathon, 10k, 5k Run
Prescott, Arizona
Sat 19 Sep 26
$38.10 - $112.30
Back Your Badge Marathon
Plainfield, Indiana
Sat 19 Sep 26 - Sun 20 Sep 26
Free - $91.45
Log Run Half Marathon
Stillwater, Minnesota
Sat 19 Sep 26
$48.00 - $78.00
Medal Madness 5K, 10K, & 13.1M at Hudson, FL (38)
Hudson, Florida
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Ocala, FL (38)
Ocala, Florida
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Corunna, MI (38)
Corunna, Michigan
Sat 19 Sep 26
$33.80 - $70.90
Best of the West
Ravenna, Ohio
Sat 19 Sep 26
$44.80 - $92.95
Priest Lake Marathon
Priest Lake, Idaho
Sat 19 Sep 26
$32.99 - $53.49
Showing 161-200 of 398 results
