December · Half Marathon
December Half Marathons 2026 & 2027
Find half marathons taking place in December. Compare race dates, locations, field size and registration information. Explore 188 half marathons with a confirmed date.
- Upcoming, date confirmed
- 188
- Active listings
- 189
- States
- 36
Nearby months
Upcoming december half marathons
All 188 with a confirmed date, soonest first.
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Crooked Creek Ultra Trail RaceShepherdsville, KY100 Mile50 MileMarathonHalf Marathon +1 more ~140 runners
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Hope for the Holiday Half Marathon and 5k in Memory of Garrett YeagerBatesville, ARHalf Marathon5K
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Rehoboth Beach Seashore Marathon & Half MarathonRehoboth Beach, DEMarathonHalf Marathon ~3,000 runners
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EOD Warrior Holiday Dash 5k, Half, & MarathonWashington, DC5KHalf MarathonMarathonVirtual with Medal +2 more ~185 runners
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Tidewater Strider Dismal Swamp 50K / Marathon /Half Marathon/50K RelayChesapeake, VA50KMarathonHalf Marathon100K ~150 runners
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Tucson Run Run Rudolph Half Marathon | 10K |5K | Reindeer DashTucson, AZ10K5KHalf MarathonReindeer Dash +1 more
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Hark the Herald Half Marathon & 10KTiburon, CA10K10K - YouthHalf MarathonHalf Marathon - Youth ~400 runners
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Islamorada Half Marathon & 10k, Rumrunner Run 5K/10K and Beach N' Beer MileIslamorada, FLHalf Marathon10K5K1 Mile ~5,082 runners
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Keesler Federal Mississippi Gulf Coast MarathonBiloxi, MSMarathonHalf Marathon5K1 Mile ~1,150 runners
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Kiawah Island Golf Resort Marathon & Half MarathonKiawah Island, SCMarathonHalf Marathon ~3,500 runners
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Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5KOxnard, CAMarathonHalf Marathon5K6.55 Miles +1 more ~29,453 runners
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St. Louis Track Club Frostbite SeriesSt. Louis, MORotating winter distances incl. 5K10K15K20K +2 more ~200 runners
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Swamp Stomp Half Marathon & 1 Mile Fun RunLake Charles, LAHalf Marathon1 Mile Fun Run ~300 runners
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Cajun Country Run Half Marathon, 10K & 5KLafayette, LAHalf Marathon10K5KTrail 10K/5K +1 more ~500 runners
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The Jingle Bell Dash Kids Dash, 1 Miler, 5K, 10K and Half Marathon & Santa Paws Doggie RunLong Beach, CAHalf Marathon5K10K200 Yards
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The Longest Night (50mi - 50k - 26.2 - 13.1 - 10k)Greenville, SC50 Mile50KMarathonHalf Marathon +1 more ~693 runners
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Phoenix Run Run Rudolph Half Marathon | 10K | 5K | Reindeer DashPeoria, AZ10K5KHalf MarathonReindeer Dash +1 more
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Santa’s Reindeer Run - 3rd Annual- 5K, 10K, and Half MarathonHuntington Beach, CAHalf Marathon5K10K13.2 Miles +3 more
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Santa’s Sleigh 5k & HalfWashington, DC5KHalf MarathonVirtual with MedalVirtual with Medal and Shirt +1 more
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Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow RunsLong Beach, CAHalf Marathon5K10K
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A Merry Christmas Run 5K/10K/13.1 NYC CentralNew York, NY10K Registration5K RegistrationFamily 1 Mile Fun RunHalf-Marathon 13.1 Registration +1 more
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Countdown to the Finish – 5K, 10K, 10-Miler, Half MarathonLong Beach, CAHalf Marathon5K10K10 Miles
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Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Rock 'n' Roll San Antonio Marathon & Half MarathonSan Antonio, TXMarathonHalf Marathon10K5K ~17,000 runners
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Operation Jack Marathon, Half Marathon & 5KManhattan Beach, CAMarathonHalf Marathon5K10K ~600 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest December Half Marathons
By estimated field size across all distances at the event.
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Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5KOxnard, CAMarathonHalf Marathon5K6.55 Miles +1 more ~29,453 runners
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Rock 'n' Roll San Antonio Marathon & Half MarathonSan Antonio, TXMarathonHalf Marathon10K5K ~17,000 runners
December Half Marathons by state
- California (36) 36 upcoming races
- Florida (18) 18 upcoming races
- Texas (17) 17 upcoming races
- Tennessee (13) 13 upcoming races
- Arizona (10) 10 upcoming races
- Georgia (8) 8 upcoming races
- Nevada (8) 7 upcoming races
- North Carolina (7) 7 upcoming races
- New Jersey (6) 6 upcoming races
- South Carolina (6) 6 upcoming races
- Virginia (6) 6 upcoming races
- Louisiana (5) 5 upcoming races
- Washington (5) 5 upcoming races
- Missouri (4) 4 upcoming races
- New York (4) 4 upcoming races
- Arkansas (3) 3 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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The Original Las Vegas MarathonHenderson, NV Usually held in December · next date not announcedMarathonHalf Marathon10K5K ~1,000 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.
December Half Marathons 2026 & 2027: common questions
- How many december half marathons are there?
- RaceRove currently lists 188 upcoming races with a confirmed date, plus 1 annual event 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 December
Filter by state, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.