USA Half Marathons in September

Upcoming races with half marathon distance in September across the USA. Use filters to quickly find races by state, city or race type.

More races:ย USA running calendar

Date RaceDistanceLocationhf:tax:statehf:tax:cityhf:tax:typerace
09/01/2025Faxon Law New Haven Road Race13.1M, 20K, 5KNew Haven CTconnecticutnew-haven-ctroadrace
09/01/2025Labor Day Half Marathon10K, 13.1M, 5KParker COcoloradoparker-coroadrace
09/05/2025American Heroes Run100M, 13.1M, 24H, 26.2M, 5K, 9.11M, 9HLongmont COcoloradolongmont-coroadrace
09/05/2025Old Forge Marathon10K, 13.1M, 26.2M, 50K, 5KOld Forge NYnew-yorkold-forge-nytrail
09/05/2025Bird-In-Hand Half Marathon13.1M, 5KBird In Hand PApennsylvaniabird-in-hand-paroadrace
09/06/2025Amish Country Half Marathon – Millersburg10K, 13.1M, 5KMillersburg OHohiomillersburg-ohroadrace
09/06/2025Beat the Blerch Marathon10K, 13.1M, 26.2M, 5KCarnation WAwashingtoncarnation-waroadrace
09/06/2025Dick Beardsley Races Half Marathon10K, 13.1M, 5KDetroit Lakes MNminnesotadetroit-lakes-mnroadrace
09/06/2025Pirate Half Marathon, Temple, September10K, 13.1M, 15K, 5KTemple TXtexastemple-txroadrace
09/06/2025Stevens Creek Striders Reservoir Run11K, 13.1MCupertino CAcaliforniacupertino-catrail
09/06/2025Devil on the Divide22K, 50KEmpire COcoloradoempire-cotrail
09/06/2025Maple Leaf Half-Marathon and Kotler 5K13.1M, 5KManchester Center VTvermontmanchester-center-vtroadrace
09/06/2025Runtastic Mt. Nebo Marathon and Half Marathon10K, 13.1M, 26.2M, 5KPayson UTutahpayson-utroadrace
09/06/2025Lone Star Night Run10K, 13.1M, 5KWeatherford TXtexasweatherford-txtrail
09/06/2025Naperville Trails Half Marathon10K, 13.1MWheaton ILillinoiswheaton-iltrail
09/06/2025FallApple10K, 13.1M, 26.2M, 50K, 50M, 5KSouth Orange NJnew-jerseysouth-orange-njtrail
09/06/2025Amish Country Running Festival10K, 13.1M, 5KRandolph NYnew-yorkrandolph-nyroadrace
09/06/2025Charlotte Covered Bridge Half Marathon10K, 13.1M, 5KShelburne VTvermontshelburne-vtroadrace
09/06/2025Black Squirrel Half Marathon13.1MFort Collins COcoloradofort-collins-cotrail
09/06/2025Mendocino Running Festival10K, 12H, 13.1M, 6HMendocino CAcaliforniamendocino-catrail
09/06/2025Apple Dumpling Day Races13.1M, 26.2M, 5KElroy WIwisconsinelroy-witrail
09/06/2025GOAT Run13.1M, 26.2M, 50KPort Angeles WAwashingtonport-angeles-watrail
09/06/2025Jump Off Joe Marathon10K, 13.1M, 26.2MKennewick WAwashingtonkennewick-watrail
09/06/2025Cascade Express Half Marathon13.1M, 26.2MSnoqualmie Pass WAwashingtonsnoqualmie-pass-waroadrace
09/06/2025AppleTree Marathon13.1M, 26.2M, 5KVancouver WAwashingtonvancouver-waroadrace
09/07/2025Surftown Half Marathon13.1M, 5KWesterly RIrhode-islandwesterly-riroadrace
09/07/2025Boston or Bust Marathon13.1M, 26.2MHuntsville ALalabamahuntsville-alroadrace
09/07/2025Midwest Omaha Half Marathon10K, 13.1M, 5KOmaha NEnebraskaomaha-neroadrace
09/07/2025Holland Haven Marathon13.1M, 26.2M, 8KHolland MImichiganholland-miroadrace
09/07/2025Hoot Half Marathon10K, 13.1MLewis Center OHohiolewis-center-ohtrail
09/07/2025T-Bird Trek Half Marathon10K, 13.1M, 5KCasper WYwyomingcasper-wyroadrace
09/07/2025Racefaster Half Marathon13.1MParamus NJnew-jerseyparamus-njroadrace
09/07/2025River Run Half Marathon13.1MCleveland OHohiocleveland-ohroadrace
09/07/2025Black Goose Half Marathon10K, 13.1M, 5KEast Providence RIrhode-islandeast-providence-riroadrace
09/07/2025Clinton Half Marathon10K, 13.1M, 5KClinton IAiowaclinton-iaroadrace
09/07/2025Bozeman Marathon10K, 13.1MBozeman MTmontanabozeman-mtroadrace
09/07/2025Diablo Trail Run10M, 13.1M, 26.2M, 4M, 50KClayton CAcaliforniaclayton-catrail
09/07/2025Sackets Harbor Marathon13.1M, 26.2MSackets Harbor NYnew-yorksackets-harbor-nyroadrace
09/12/2025The Rut Mountain Runs11K, 1K, 21K, 28K, 50KBig Sky MTmontanabig-sky-mttrail
09/13/2025NorthShore Run10K, 13.1MDuluth MNminnesotaduluth-mnroadrace
09/13/2025Women’s Half Marathon Trail Run13.1MFairfax Station VAvirginiafairfax-station-varoadrace
09/13/2025Bear Brook Trail Races10K, 13.1M, 26.2MAllenstown NHnew-hampshireallenstown-nhtrail
09/13/2025Shawangunk Ridge Trail Run13.1M, 30M, 70MRosendale NYnew-yorkrosendale-nytrail
09/13/2025Snow Mountain Ranch Trail Festival10K, 13.1M, 33K, 50K, 5KGranby COcoloradogranby-cotrail
09/13/2025Elm Creek Half Marathon10K, 13.1MMaple Grove MNminnesotamaple-grove-mnroadrace
09/13/2025Mount Rushmore Half Marathon13.1MHermosa SDsouth-dakotahermosa-sdroadrace
09/13/2025Trail Sisters Women’s Half Marathon10K, 13.1MBuena Vista COcoloradobuena-vista-cotrail
09/13/2025All-Out Fall Fest10K, 13.1M, 5KWestminster COcoloradowestminster-coroadrace
09/13/2025Ned Ned Run Half Marathon10K, 13.1M, 5KNederland COcoloradonederland-cotrail
09/13/2025Spooky Sprint – Colorado Springs10K, 13.1M, 5KColorado Springs COcoloradocolorado-springs-coroadrace
09/13/2025Rockin’ Rockwoods 53K13.1M, 53KWildwood MOmissouriwildwood-motrail
09/13/2025Geist Half Marathon10K, 13.1M, 5KFishers INindianafishers-inroadrace
09/13/2025Wabash Valley Half Marathon13.1M, 5KTerre Haute INindianaterre-haute-in
09/13/2025Circle the Lake Half Marathon10K, 13.1M, 5KFaribault MNminnesotafaribault-mntrail
09/13/2025BurliMOT Half Marathon13.1M, 1M, 5KMinot NDnorth-dakotaminot-ndroadrace
09/13/2025Jones Gap Half Marathon13.1MMarietta SCsouth-carolinamarietta-sctrail
09/13/2025The Dirt Dash Marathon10K, 13.1M, 26.2M, 5KJohns Island SCsouth-carolinajohns-island-sctrail
09/13/2025Valkyrie Relay Marathon13.1M, 26.2MWasatch Back UTutahwasatch-back-uttrail
09/13/2025Priest Lake Marathon13.1M, 26.2M, 50KPriest Lake IDidahopriest-lake-idtrail
09/13/2025Bar Harbor Bank & Trust Half Marathon and Fall 5K13.1M, 5KBar Harbor MEmainebar-harbor-meroadrace
09/13/2025Mellow Trail Race10K, 13.1M, 1M, 26.2M, 5KSpicewood TXtexasspicewood-txtrail
09/13/2025Blackwater Canyon Half Marathon13.1MParsons WVwest-virginiaparsons-wvtrail
09/13/2025Patriots Run13.1M, 5KOverland Park KSkansasoverland-park-ksroadrace
09/14/2025Windsor Half Marathon13.1M, 5KWindsor CAcaliforniawindsor-caroadrace
09/14/2025Boring Marathon10K, 13.1M, 26.2M, 5KBoring ORoregonboring-orroadrace
09/14/2025Nun Run13.1M, 1M, 5KCentennial COcoloradocentennial-coroadrace
09/14/2025Fall Equinox13.1M, 26.2M, 5MFort Collins COcoloradofort-collins-coroadrace
09/14/2025Spooky Sprint – Denver10K, 13.1M, 5KWestminster COcoloradowestminster-coroadrace
09/14/2025Hub City Races10K, 13.1M, 5KCrown Point INindianacrown-point-inroadrace
09/14/2025Chips and Salsa Half Marathon10K, 13.1M, 5KAlbuquerque NMnew-mexicoalbuquerque-nmroadrace
09/14/2025Half Marathon by the Sea13.1MManchester-by-the-Sea MAmassachusettsmanchester-by-the-sea-ma
09/14/2025The Great Lincoln Marathon13.1M, 26.2M, 5KLincoln MEmainelincoln-meroadrace
09/14/2025Elk River Rail Trail13.1M, 26.2M, 5KClay WVwest-virginiaclay-wvtrail
09/19/2025Air Force Marathon10K, 13.1M, 26.2M, 5KDayton OHohiodayton-ohroadrace
09/20/2025USA Women’s Half Marathon Dallas13.1MDallas TXtexasdallas-txroadrace
09/20/2025Viking Half Marathon, Temple10K, 13.1M, 15K, 5KTemple TXtemple-txroadrace
09/20/2025Spooky Sprint Louisville10K, 13.1M, 5KLouisville KYkentuckylouisville-kyroadrace
09/20/2025Spooky Sprint- Wichita10K, 13.1M, 5KWichita KSkansaswichita-ksroadrace
09/20/2025Jordan River Half Marathon13.1MSouth Jordan UTutahsouth-jordan-utroadrace
09/20/2025KY History Half Marathon10K, 13.1M, 5KFrankfort KYkentuckyfrankfort-kyroadrace
09/20/2025Umatilla Rim Ripper11K, 13.1M, 7KTollgate ORoregontollgate-ortrail
09/20/2025Pikes Peak Ascent and Marathon13.32MManitou Springs COcoloradomanitou-springs-cotrail
09/20/2025Ouray Mountain Trail Run13MOuray COcoloradoouray-cotrail
09/20/2025Beulah Challenge and OverIt Series10K, 13.1M, 5KBeulah COcoloradobeulah-coroadrace
09/20/2025Three Sisters Skyline13.1M, 50KSisters ORoregonsisters-ortrail
09/20/2025Ikaika Half Marathon10K, 13.1M, 5KHonolulu HIhawaiihonolulu-hiroadrace
09/20/2025Run Iron Mountain10K, 13.1M, 5KIron Mountain MImichiganiron-mountain-miroadrace
09/20/2025Running From Squatch – Springfield, MO10K, 13.1M, 1M, 5KSpringfield MOmissourispringfield-moroadrace
09/20/2025Autumn Run Half Marathon10K, 13.1M, 5KBuena Vista COcoloradobuena-vista-coroadrace
09/20/2025Night Moves Trail Run10K, 13.1M, 26.2M, 5KSan Felipe TXtexassan-felipe-txtrail
09/20/2025Crimson Canyons Ultra10K, 13.1M, 60KRichfield UTutahrichfield-uttrail
09/20/2025Log Run Half Marathon10K, 10M, 13.1M, 5KStillwater MNminnesotastillwater-mnroadrace
09/20/2025Bismarck Marathon10K, 13.1M, 26.2M, 5KBismarck NDnorth-dakotabismarck-ndroadrace
09/20/2025Devil After Dark10K, 13.1M, 26.2M, 5KLas Vegas NVnevadalas-vegas-nvroadrace
09/20/2025Susquehanna River Running Festival10K, 13.1M, 5KHavre de Grace MDmarylandhavre-de-grace-mdroadrace
09/20/2025Waldoboro Half Marathon13.1MWaldoboro MEmainewaldoboro-meroadrace
09/20/2025Equinox Marathon13.1M, 26.2MFairbanks AKalaskafairbanks-aktrail
09/20/2025Corner Canyon Half Marathon10K, 13.1M, 5KDraper UTutahdraper-uttrail
09/20/2025The Orca Half13.1M, 8MSeattle WAwashingtonseattle-waroadrace
09/20/2025Groom Creek Classic Run10K, 13.1M, 5KPrescott AZarizonaprescott-azroadrace
09/21/2025Santa Fe International Half Marathon13.1M, 4KSanta Fe NMnew-mexicosanta-fe-nmtrail
09/21/2025Philadelphia Distance Run Half Marathon13.1M, 5KPhiladelphia PApennsylvaniaphiladelphia-paroadrace
09/21/2025Iowa Trail Run Series: Yellow River State Forest10K, 13.1M, 5KHarpers Ferry IAiowaharpers-ferry-iaroadrace
09/21/2025Bellingham Bay Marathon10K, 13.1M, 26.2M, 5KBellingham WAwashingtonbellingham-waroadrace
09/21/2025Detroit Women’s Half Marathon10K, 13.1M, 5KDetroit MImichigandetroit-miroadrace
09/21/2025Capital City River Run Half Marathon13.1M, 5KLansing MImichiganlansing-miroadrace
09/21/2025Midwest Greater Des Moines Half Marathon10K, 13.1M, 5KDes Moines IAiowades-moines-iaroadrace
09/21/2025Rochester Half Marathon13.1M, 5KRochester NYnew-yorkrochester-nyroadrace
09/21/2025Sioux Falls Marathon13.1M, 26.2M, 5KSioux Falls SDsouth-dakotasioux-falls-sdroadrace
09/21/2025Back Your Badge Marathon13.1M, 26.2M, 5KPlainfield INindianaplainfield-inroadrace
09/21/2025Parks Half Marathon13.1MRockville MDmarylandrockville-mdroadrace
09/21/2025Fox Valley Marathon13.1M, 20K, 26.2M, 5KSt. Charles ILillinoisst-charles-ilroadrace
09/21/2025Fox Cities Marathon10K, 13.1M, 26.2M, 5KAppleton WIwisconsinappleton-wiroadrace
09/26/2025Red Feather Trail Jamboree13.1M, 50K, 50MRed Feather Lakes COcoloradored-feather-lakes-cotrail
09/27/2025Prairie Dog Half10K, 13.1M, 5KWestminster COcoloradowestminster-coroadrace
09/27/2025Golden Leaf Half Marathon13.1MSnowmass Village COcoloradosnowmass-village-cotrail
09/27/2025Riverโ€™s Edge Trail Half Marathon13.1MEldora IAiowaeldora-iatrail
09/27/2025Pioneer Prairie Dog Half10K, 13.1M, 5KWestminster COcoloradowestminster-coroadrace
09/27/2025Jamestown Rhode Race13.1MJamestown RIrhode-islandjamestown-riroadrace
09/27/2025Urban Cow Weekend13.1M, 5KSacramento CAcaliforniasacramento-caroadrace
09/27/2025Wonderful Water Run13.1M, 5KStevens Point WIwisconsinstevens-point-wiroadrace
09/27/2025Escanaba Fall Classic Half Marathon13.1M, 5KEscanaba MImichiganescanaba-miroadrace
09/27/2025Jackson Hole Half Marathon13.1M, 26.2M, 6.55MJackson Hole WYwyomingjackson-hole-wyroadrace
09/27/2025Carrollton Half Marathon13.1MCarrollton GAgeorgiacarrollton-garoadrace
09/27/2025Oktoberfest Half Marathon13.1M, 5KAsheville NCnorth-carolinaasheville-ncroadrace
09/27/2025Akron Marathon13.1M, 26.2MAkron OHohioakron-ohroadrace
09/27/2025Quad Cities Marathon10K, 13.1M, 26.2M, 5KMoline ILillinoismoline-ilroadrace
09/27/2025Fort4Fitness Fall Festival10K, 13.1M, 4MFort Wayne INindianafort-wayne-inroadrace
09/27/2025Monument Marathon13.1M, 26.2M, 5KScottsbluff NEnebraskascottsbluff-neroadrace
09/27/2025Pacifica Summit Run10K, 13.1MPacifica CAcaliforniapacifica-catrail
09/27/2025Urban Cow Half Marathon13.1M, 5KSacramento CAcaliforniasacramento-caroadrace
09/27/2025YMCA Maple Leaf Walk Run13.1M, 5K, 5MLa Crosse WIwisconsinla-crosse-wiroadrace
09/27/2025The Trailway Trail Race10K, 13.1M, 26.2M, 50K, 5KSomerville TXtexassomerville-txtrail
09/27/2025Fidalgo Trail Run13.1M, 26.2M, 5MAnacortes WAwashingtonanacortes-watrail
09/27/2025Headbanger Half Marathon10K, 13.1M, 5KMenomonee Falls WIwisconsinmenomonee-falls-wiroadrace
09/28/2025Heritage 13.1 & 50K Trail Run13.1M, 50KAdrian MImichiganadrian-mitrail
09/28/2025Boulderthon10K, 13.1M, 26.2M, 5KBoulder COcoloradoboulder-coroadrace
09/28/2025Clarence DeMar Marathon13.1M, 26.2MKeene NHnew-hampshirekeene-nhroadrace
09/28/2025Adirondack Marathon10K, 13.1M, 26.2M, 5KSchroon Lake NYnew-yorkschroon-lake-nyroadrace
09/28/2025Rock of Ages Half Marathon10K, 13.1M, 5KFort Worth TXtexasfort-worth-txroadrace
09/28/2025Bluegrass Half Marathon13.1MJohnson City TNtennesseejohnson-city-tnroadrace

Choose your favorite distance and save the calendar for later: Half Marathons, Marathons, Ultra Marathons, 5K, 10K, 50K, 50M, 100K, 100M

September Race Calendars:

All Races 5K Races
10K Races Marathons
Ultra Marathons Trail Races
50K Races 50 Miles Races
100K Races 100 Miles Races

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