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October · Marathon

October Marathons 2026 & 2027

Find marathons taking place in October. Compare race dates, locations, course difficulty, field size and registration information. Explore 99 marathons with a confirmed date.

Search october marathons
Upcoming, date confirmed
99
Active listings
143
States
43

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Upcoming october marathons

All 99 with a confirmed date, soonest first.

Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.

Filter these marathons in the interactive search

Largest October Marathons

By estimated field size across all distances at the event.

  • Bank of America Chicago Marathon
    Chicago, IL Usually held in October · date not confirmed
    Marathon5K ~55,000 runners Flat courseBoston Qualifier
  • Detroit Free Press Marathon
    Detroit, MI Usually held in October · date not confirmed
    MarathonHalf5K ~30,000 runners Flat courseBoston Qualifier
  • Marine Corps Marathon
    Washington, DC Usually held in October · date not confirmed
    Marathon ~30,000 runners
  • Marine Corps Marathon
    Arlington, VA
    Marathon50K10K17.75K (separate spring date) +1 more ~30,000 runners Flat courseBoston Qualifier
  • Twin Cities Marathon
    Minneapolis, MN Usually held in October · date not confirmed
    MarathonHalf ~30,000 runners Rolling courseBoston Qualifier
  • Columbus Marathon
    Columbus, OH Usually held in October · date not confirmed
    MarathonHalf5K ~15,000 runners Flat courseBoston Qualifier
  • Baltimore Running Festival Marathon
    Baltimore, MD
    MarathonHalf10K5K +1 more ~14,000 runners Hilly courseBoston Qualifier
  • 2XU Long Beach Marathon
    Long Beach, CA Usually held in October · date not confirmed
    MarathonHalf5KBike Tour +1 more ~10,000 runners Flat courseBoston Qualifier

October Marathons by state

Annual events awaiting their next date

These marathons are held every year, but the next date isn't in the listing yet.

  • Bank of America Chicago Marathon
    Chicago, IL Usually held in October · date not confirmed
    Marathon5K ~55,000 runners Flat courseBoston Qualifier
  • Detroit Free Press Marathon
    Detroit, MI Usually held in October · date not confirmed
    MarathonHalf5K ~30,000 runners Flat courseBoston Qualifier
  • Marine Corps Marathon
    Washington, DC Usually held in October · date not confirmed
    Marathon ~30,000 runners
  • Twin Cities Marathon
    Minneapolis, MN Usually held in October · date not confirmed
    MarathonHalf ~30,000 runners Rolling courseBoston Qualifier
  • Columbus Marathon
    Columbus, OH Usually held in October · date not confirmed
    MarathonHalf5K ~15,000 runners Flat courseBoston Qualifier
  • 2XU Long Beach Marathon
    Long Beach, CA Usually held in October · date not confirmed
    MarathonHalf5KBike Tour +1 more ~10,000 runners Flat courseBoston Qualifier
  • Garmin Kansas City Marathon
    Kansas City, MO Usually held in October · date not confirmed
    MarathonHalf Marathon10K5K ~10,000 runners Hilly courseBoston Qualifier
  • Hartford Marathon
    Hartford, CT Usually held in October · date not confirmed
    MarathonHalf5K ~10,000 runners Rolling courseBoston Qualifier
  • Kansas City Marathon (Garmin Kansas City Marathon)
    Kansas City, KS Usually held in October · date not confirmed
    MarathonHalf Marathon10K5K ~8,000 runners
  • KC Marathon
    Kansas City, MO Usually held in October · date not confirmed
    MarathonHalf ~8,000 runners
  • Rock 'n' Roll Denver Marathon & Half Marathon
    Denver, CO Usually held in October · date not confirmed
    MarathonHalf10K5K ~7,000 runners
  • Duke City Marathon
    Albuquerque, NM Usually held in October · date not confirmed
    MarathonHalf10K5K ~6,000 runners Flat courseBoston Qualifier
  • Milwaukee Lakefront Marathon
    Milwaukee, WI Usually held in October · date not confirmed
    MarathonHalf ~6,000 runners Rolling courseBoston Qualifier
  • Des Moines Marathon & Half
    Des Moines, IA Usually held in October · date not confirmed
    MarathonHalf5K ~5,000 runners Rolling courseBoston Qualifier
  • Mankato Marathon
    Mankato, MN Usually held in October · date not confirmed
    MarathonHalf ~5,000 runners Flat courseBoston Qualifier
  • St. George Marathon
    St. George, UT Usually held in October · date not confirmed
    MarathonHalf ~5,000 runners Downhill courseBoston Qualifier
  • Jersey Shore Marathon
    NJ Usually held in October · date not confirmed
    MarathonHalf5K ~4,000 runners
  • Baystate Marathon
    Lowell, MA Usually held in October · date not confirmed
    Marathon ~3,500 runners Flat courseBoston Qualifier
  • Atlantic City Marathon
    Atlantic City, NJ Usually held in October · date not confirmed
    MarathonHalf5K ~3,000 runners Flat courseBoston Qualifier
  • Bourbon Chase Relay
    Bardstown to Lexington, KY Usually held in October · date not confirmed
    Relay Marathon ~3,000 runners
  • MO Cowbell Marathon
    St. Charles, MO Usually held in October · date not confirmed
    MarathonHalf10K5K ~3,000 runners Flat courseBoston Qualifier
  • Portland Marathon
    Portland, OR Usually held in October · date not confirmed
    MarathonHalf5K ~3,000 runners Rolling courseBoston Qualifier
  • Spinx Run Fest
    Greenville, SC Usually held in October · date not confirmed
    MarathonHalf10K5K ~3,000 runners
  • Steamtown Marathon
    Scranton, PA Usually held in October · date not confirmed
    MarathonRelay ~3,000 runners Downhill courseBoston Qualifier
  • Trinity Health Probility Ann Arbor Marathon
    Ann Arbor, MI Usually held in October · date not confirmed
    MarathonHalf Marathon10K5K +2 more ~3,000 runners Rolling courseBoston Qualifier
  • Colorado Springs Marathon
    Colorado Springs, CO Usually held in October · date not confirmed
    MarathonHalf ~2,500 runners Hilly course
  • Boise Marathon & Half
    Boise, ID Usually held in October · date not confirmed
    MarathonHalf5K ~2,000 runners
  • Freedom's Run
    Shepherdstown, WV Usually held in October · date not confirmed
    MarathonHalf10K5K ~2,000 runners Hilly courseBoston Qualifier
  • Indianapolis Marathon, Half Marathon & 5K
    Indianapolis, IN Usually held in October · date not confirmed
    MarathonHalf Marathon5K ~2,000 runners
  • Mount Desert Island Marathon, Half & Relay
    Bar Harbor, ME Usually held in October · date not confirmed
    MarathonHalf MarathonRelay ~1,800 runners Hilly courseBoston Qualifier
  • RDC Marathon
    Durham, NC Usually held in October · date not confirmed
    MarathonHalf10K5K ~1,800 runners Rolling courseBoston Qualifier
  • Bemidji Blue Ox Marathon
    Bemidji, MN Usually held in October · date not confirmed
    Marathon26K Lake LoopHalf Marathon10K +2 more ~1,500 runners Rolling courseBoston Qualifier
  • Green Mountain Marathon
    VT Usually held in October · date not confirmed
    MarathonHalf ~1,200 runners
  • Portland Marathon
    Portland, ME Usually held in October · date not confirmed
    MarathonHalf ~1,200 runners
  • City of Trees Marathon
    Boise, ID Usually held in October · date not confirmed
    MarathonHalf Marathon10K5K ~1,000 runners Rolling course
  • Grand Canyon Trail Half Marathon
    Tusayan, AZ Usually held in October · date not confirmed
    MarathonHalf Marathon5K ~1,000 runners
  • Lake Tahoe Marathon
    Stateline, NV Usually held in October · date not confirmed
    MarathonHalf ~1,000 runners
  • Missouri Marathon
    Columbia, MO Usually held in October · date not confirmed
    MarathonHalf10K5K ~1,000 runners
  • The Rogue Marathon
    Medford, OR Usually held in October · date not confirmed
    MarathonHalf Marathon10K ~800 runners
  • Tecumseh Trail Challenge
    Nashville, IN Usually held in October · date not confirmed
    Marathon-distance trail challenge and shorter trail options ~700 runners

Guides from the RaceRove blog

October Marathons 2026 & 2027: common questions

How many october marathons are there?
RaceRove currently lists 99 upcoming races with a confirmed date, plus 44 annual events whose next date hasn't been announced yet.
How long is a marathon?
A marathon is 26.2 miles (42.2 kilometres).

Search every marathon in October

Filter by state, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.

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