September · Half Marathon
September Half Marathons 2026 & 2027
Find half marathons taking place in September. Compare race dates, locations, field size and registration information. Explore 172 half marathons with a confirmed date.
- Upcoming, date confirmed
- 172
- Active listings
- 393
- States
- 51
Nearby months
Upcoming september half marathons
All 172 with a confirmed date, soonest first.
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Fall - Mud Mountain Dam Marathon & Half MarathonEnumclaw, WAMarathonHalf Marathon10K5K ~58 runners
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Golden Harvest Half Marathon & 5k/10k - Ann ArborMilford, MIHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - IndianapolisIndianapolis, INHalf Marathon50m1 Mile5K +1 more
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Labor Day Trail Challenge 50K • Marathon • Half Marathon • 10K • 5K • 8-Hour Run/Walk (Solo) • 8-Hour RelayCedar Creek, TXHalf Marathon10K5K
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Bound for Boston Marathon & Half Marathon - AtlantaJohns Creek, GAMarathonHalf Marathon10K5K ~480 runners
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Golden Harvest Half Marathon & 5k/10k - Des MoinesDes Moines, IAHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - LansingLansing, MIHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - LouisvilleLouisville, KYHalf Marathon50m1 Mile5K +1 more ~10 runners
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Heroes and Villains Half Marathon - Little RockNorth Little Rock, ARHalf Marathon20 Yards1 Mile5K +1 more
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Amish Country Bird-in-Hand Half Marathon & 5KBird-in-Hand, PAHalf Marathon5KKids Fun Run ~2,500 runners
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Golden Harvest Half Marathon & 5k/10k - DenverWestminster, COHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - Greater AtlantaGreater Atlanta, GAHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - St. PaulMaple Grove, MNHalf Marathon50m1 Mile5K +1 more ~10 runners
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Heroes and Villains Half Marathon- Oklahoma CityOklahoma City, OKHalf Marathon20 Yards1 Mile5K +1 more ~10 runners
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Scheels BurliMOT Half MarathonMinot, NDHalf MarathonHalf Marathon Relay5K1-Mile Walk/Run/Roll ~1,000 runners
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Elk River Braxton County Monster Marathon/Half Marathon/5KGassaway, WVMarathonHalf Marathon5K Run/Walk ~300 runners
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Golden Harvest Half Marathon & 5k/10k - ChattanoogaChattanooga, TNHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - Colorado SpringsColorado Springs, COHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - RochesterRochester, MNHalf Marathon50m1 Mile5K +1 more ~6 runners
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Heroes and Villains Half Marathon- TulsaTulsa, OKHalf Marathon20 Yards1 Mile5K +1 more ~10 runners
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Light at the End of the Tunnel Marathon (Tunnel Light Marathon)North Bend, WAMarathonHalf Marathon ~800 runners
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Equinox Marathon and RelayFairbanks, AKMarathonHalf MarathonMarathon RelayMarathon Hike ~500 runners
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Golden Harvest Half Marathon & 5k/10k - Greater ChicagoGreater Chicago, ILHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - Little RockNorth Little Rock, ARHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - Oklahoma CityOklahoma City, OKHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - OrlandoUnion Park, FLHalf Marathon50m1 Mile5K +1 more ~10 runners
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Heroes and Villains Half Marathon- San AntonioSan Antonio, TXHalf Marathon20 Yards1 Mile5K +1 more
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Kentucky History Half Marathon, 10K & 5KFrankfort, KYHalf Marathon10K5K1-Mile Fun Run ~600 runners
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Running From SquatchSpringfield, MOHalf Marathon10K5K1 Mile (plus Squatch-Fecta challenge & virtual) ~2,000 runners
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Bound for Boston Marathon & Half Marathon - Oklahoma CityYukon, OKMarathonHalf Marathon10K5K ~75 runners
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Capitol Ford Santa Fe International Half Marathon (Santa Fe to Buffalo Thunder)Santa Fe, NMHalf Marathon3-Amigos Relay4KKids 1K ~3,000 runners
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Golden Harvest Half Marathon & 5k/10k - DallasDallas, TXHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - TampaLargo, FLHalf Marathon50m1 Mile5K +1 more ~10 runners
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Trapp Cabin Trail Races (5K / 10K / Half Marathon)Stowe, VT5K10KHalf Marathon (trail) ~250 runners
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Golden Harvest Half Marathon & 5k/10k - HoustonSugar Land, TXHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - MilwaukeeSouth Milwaukee, WIHalf Marathon50m1 Mile5K +1 more
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Golden Harvest Half Marathon & 5k/10k - San AntonioSan Antonio, TXHalf Marathon50m1 Mile5K +1 more ~10 runners
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Hy-Vee Greater Des Moines Half Marathon, 10K & 5KDes Moines, IAHalf Marathon10K5KKids One Mile Fun Run ~2,500 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest September Half Marathons
By estimated field size across all distances at the event.
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United States Air Force MarathonDayton, OH Usually held in September · next date not announcedMarathonHalf Marathon10K5K +1 more ~13,500 runners
September Half Marathons by state
- California (30) 2 upcoming races
- Texas (30) 14 upcoming races
- New York (19) 9 upcoming races
- Washington (19) 7 upcoming races
- Colorado (17) 5 upcoming races
- Michigan (14) 11 upcoming races
- Illinois (12) 5 upcoming races
- Iowa (12) 5 upcoming races
- Pennsylvania (12) 5 upcoming races
- Florida (11) 3 upcoming races
- Missouri (11) 2 upcoming races
- Ohio (11) 3 upcoming races
- Utah (11) 6 upcoming races
- Tennessee (10) 3 upcoming races
- Georgia (9) 3 upcoming races
- Maine (9) 4 upcoming races
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet.
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United States Air Force MarathonDayton, OH Usually held in September · next date not announcedMarathonHalf Marathon10K5K +1 more ~13,500 runners
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Geist Half MarathonFishers, IN Usually held in September · next date not announcedHalf Marathon ~5,000 runners
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The Dam Half and Dam 4 mile-ishMifflinburg, PA Usually held in September · next date not announcedHalf Marathon5K4 Miles ~4,239 runners
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Run On The Rocks • 10M / Half / 20MPoint Of Rocks, MD Usually held in September · next date not announcedHalf Marathon10 Miles5K20 Miles ~2,149 runners
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Rhinebeck Fall Foliage Half Marathon & 5KRhinebeck, NY Usually held in September · next date not announcedHalf Marathon5K ~2,090 runners
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Finger Lakes Festival of Races (18M,13.1M,10K& 5K)Montour Falls, NY Usually held in September · next date not announced5KHalf Marathon10K18 Miles ~1,613 runners
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Surftown Half Marathon, Relay & 5KWesterly, RI Usually held in September · next date not announcedHalf Marathon2-Person Relay5K ~1,500 runners
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Hogsback Half MarathonColebrook, CT Usually held in September · next date not announcedHalf Marathon5K ~1,435 runners
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HSS Greenwich Half MarathonOld Greenwich, CT Usually held in September · next date not announcedHalf Marathon ~1,080 runners
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Jamestown Bridge 10K (Jamestown Rhode Races)Jamestown, RI Usually held in September · next date not announcedHalf Marathon ~1,000 runners
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NM Chips and Salsa Half MarathonAlbuquerque, NM Usually held in September · next date not announcedHalf Marathon10K5KKids K ~1,000 runners
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Tunnel Light Marathon & Half MarathonNorth Bend, WA Usually held in September · next date not announcedMarathonTunnel Light Half Marathon ~831 runners
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RunThrough Staten Island at Freshkills Park 5k, 10k & Half MarathonStaten Island, NY Usually held in September · next date not announced5K10KHalf Marathon ~750 runners
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Flagstaff MarathonFlagstaff, AZ Usually held in September · next date not announcedMarathonHalf Marathon10KKids Kilo ~600 runners
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Wabash Trace Running Festival (Marathon & Half)Shenandoah, IA Usually held in September · next date not announcedMarathonHalf MarathonMarathon Relay10K +1 more ~600 runners
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Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun RunIron Mountain, MI Usually held in September · next date not announcedHalf Marathon5K10K1 Mile ~568 runners
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TBK Bank Quad Cities MarathonMoline, IL Usually held in September · next date not announcedGroup O 5KGroup O 5k + Shoes for Kids MileHappy Joe's Kids Micro-MarathonMel Foster Co. Half Marathon +1 more ~563 runners
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Cascade Express Marathon & Half MarathonNorth Bend, WA Usually held in September · next date not announcedMarathonHalf Marathon ~545 runners
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Margaritaville Run Orlando Half Marathon, 10K & 5KKissimmee, FL Usually held in September · next date not announcedHalf Marathon5K10K ~500 runners
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Step Up Storm Lake Half Marathon, Relay & 5KStorm Lake, IA Usually held in September · next date not announcedHalf MarathonRelay5KYouth races ~500 runners
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Wabash Valley Half Marathon & 5KTerre Haute, IN Usually held in September · next date not announcedHalf Marathon5KKids Fun Run ~500 runners
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City of Roses Half Marathon & 5KCape Girardeau, MO Usually held in September · next date not announcedHalf Marathon5K ~350 runners
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Bryce Canyon UltrasBryce Canyon, UT Usually held in September · next date not announced100 Miler50 Miler60K50K +3 more ~325 runners
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Big Sur Trail Marathon, Half Marathon & 5 MileBig Sur, CA Usually held in September · next date not announced5 Mile - Adult5 Mile - YouthHalf Marathon - AdultHalf Marathon - Youth +2 more ~300 runners
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Bluegrass Half MarathonJohnson City, TN Usually held in September · next date not announcedHalf Marathon2-4 Person Relay ~270 runners
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The Bismarck MarathonBismarck, ND Usually held in September · next date not announced10K5KBisBarkFull Marathon +4 more ~206 runners
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Puyallup Valley Half Marathon and 10KPuyallup, WA Usually held in September · next date not announcedHalf Marathon13.6 Miles10K ~200 runners
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Three Sisters SkylineSisters, OR Usually held in September · next date not announced50K1/2 Marathon ~184 runners
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Belleville Main Street Marathon & Half MarathonBelleville, IL Usually held in September · next date not announcedMarathonHalf Marathon10K5K ~175 runners
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The Apple Harvest Ramble Half Marathon and 5KHarvard, MA Usually held in September · next date not announcedHalf Marathon5K ~150 runners
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Wolf Creek Wrangle Trail RunWolf, WY Usually held in September · next date not announced18-MileHalf Marathon7-Mile5-Mile (trail) ~150 runners
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Old Forge Marathon Weekend - Ultra, Marathon, Half Marathon, 10K, 5K, Kayak, BikeOld Forge, NY Usually held in September · next date not announcedMarathonHalf Marathon48.6 Miles32.4 Miles +4 more ~115 runners
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Skagit Flats Marathon, Half & 5kBurlington, WA Usually held in September · next date not announcedMarathonHalf Marathon5K10K ~112 runners
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Auburn Half MarathonAuburn, CA Usually held in September · next date not announcedHalf Marathon13.6 Miles7.6 Miles3.4 Miles ~110 runners
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St. Joseph MarathonSt Joseph, MO Usually held in September · next date not announced10K5KHalf MarathonMarathon +5 more ~101 runners
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Crimson Canyons UltraRichfield, UT Usually held in September · next date not announcedSpinal Tap 60k1/2 Marathon10K ~79 runners
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Buckeye Trail Blue Blaze Festival - Half Marathon, 10K, 5K Run, Hike and BackpackShawnee, OH Usually held in September · next date not announcedHalf Marathon5K6.1 Miles ~60 runners
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Mountain Creek MayhemGardners, PA Usually held in September · next date not announced50K20 Miler1/2 Marathon ~51 runners
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Nebraska Marathon - Marathon, Half Marathon, 10K & 5KPapillion, NE Usually held in September · next date not announcedMarathonHalf Marathon10K5K ~44 runners
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FidalgoAnacortes, WA Usually held in September · next date not announcedMarathonHalf-Marathon5 MileKids Race ~38 runners
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
September Half Marathons 2026 & 2027: common questions
- How many september half marathons are there?
- RaceRove currently lists 172 upcoming races with a confirmed date, plus 221 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
Search every half marathon in September
Filter by state, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.