See all January 2023 half marathons across the USA below, or click Race Calendars above to see each state’s calendar. For each race, you’ll find course maps, elevation profiles, reviews and info on how to register.
Sunday, January 1
| Sun Jan 1 | Brazen New Years Day Runs Half Marathon 10k & 5k | Castro Valley CA |
| Sun Jan 1 | Chilly Willy Half Marathon & 5k | Seekonk MA |
| Sun Jan 1 | Lehigh Valley New Year's Chaser Half Marathon &10K | Coplay PA |
| Sun Jan 1 | New Years Double Marathon Half Marathon & 5k | Allen TX |
| Sun Jan 1 | Resolution Jump Start Half Marathon 15k 10k & 5k | Long Beach CA |
| Sun Jan 1 | Texas Marathon & Half Marathon | Kingwood TX |
| Sun Jan 1 | Whiskey Run – Chattanooga Half Marathon & 5k | Chattanooga TN |
Saturday, January 7
Sunday, January 8
| Sun Jan 8 | 13.1 Marathon & 5k | Fort Lauderdale FL |
| Sun Jan 8 | Brandon Half Marathon & 5k | Brandon FL |
| Sun Jan 8 | Del Dios Trail Race 50k Half Marathon 10k & 5k | Escondido CA |
| Sun Jan 8 | Happy New Year Half Marathon 15k 10k & 5k | Santa Monica CA |
| Sun Jan 8 | Mobile Marathon Half Marathon & Relay | Mobile AL |
| Sun Jan 8 | Resolution Relay BYOB Bring Your Own Baton | Boring OR |
| Sun Jan 8 | Rockin Resolution Race Half Marathon & 5k | Austin TX |
| Sun Jan 8 | Spring Hill Marathon Mania | Spring Hill FL |
Saturday, January 14
| Sat Jan 14 | Charleston Marathon Half Marathon & 5k | Charleston SC |
| Sat Jan 14 | Chills in the Mill Harwoods Half & 5k | Yorktown VA |
| Sat Jan 14 | Daufuskie Island Marathon Half Marathon & Ultra | Daufuskie Island SC |
| Sat Jan 14 | Hollywood Beach Broadwalk Half Marathon & 5k | Hollywood FL |
| Sat Jan 14 | Lake Mead Marathon Half Marathon 10k & 5k | Boulder City NV |
| Sat Jan 14 | Museum of Aviation Marathon Half Marathon & 5K | Warner Robins GA |
| Sat Jan 14 | Run to Read Half Marathon | Fairmont WV |
| Sat Jan 14 | San Diego 50 and Trail Marathon & Half Marathon | Escondido CA |
| Sat Jan 14 | San Diego Resolution Run Half Marathon 10k & 5k | San Diego CA |
| Sat Jan 14 | Sandman Half Marathon & 5k | Wytheville VA |
| Sat Jan 14 | Sarasota Marathon Half Marathon 10k & 5k | Sarasota FL |
| Sat Jan 14 | St. George Half Marathon | St. George UT |
| Sat Jan 14 | Woolly Hollow Trail Half Marathon | Greenbrier AR |
Sunday, January 15
| Sun Jan 15 | Arctic Prairie Dog Half Marathon 10K & 5K | Westminster CO |
| Sun Jan 15 | Carlsbad Marathon Half Marathon & 5k | Carlsbad CA |
| Sun Jan 15 | Cascade Half Marathon 10k & 2M | Turner OR |
| Sun Jan 15 | Chilly Willy Half Marathon | Sugar Hill GA |
| Sun Jan 15 | Crystal Springs Winter Trail Run | Woodside CA |
| Sun Jun 15 | FTC Marathon & Half Marathon | Hawthorne FL |
| Sun Jan 15 | Houston Marathon & Half Marathon | Houston TX |
| Sat Jan 14 | Jekyll Island Marathon Half Marathon 10k & Relay | Jekyll Island GA |
| Sun Jan 15 | Key West Half Marathon & 5K | Key West FL |
| Sun Jan 15 | Louisiana Marathon & Half Marathon | Baton Rouge LA |
| Sun Jan 15 | Maui Oceanfront Marathon Half Marathon 15K 10K & 5K | Lahaina HI |
| Sun Jan 15 | Naples Half Marathon | Naples FL |
| Sun Jan 15 | Rock 'n' Roll Arizona Marathon & Half Marathon | Tempe AZ |
| Sun Jan 15 | Rose Bowl Half Marathon & 5K | Pasadena CA |
| Sun Jan 15 | Shark Bite Half Marathon & 5k | New Smyrna Beach FL |
| Sun Jan 15 | St. Pete Beach Classic Half Marathon | St. Pete Beach FL |
Monday, January 16 – Friday, January 20
| Thu Jan 19-Sun Jan 22 | Aloha Marathon Series | Kapaa HI |
Saturday, January 21
| Sat Jan 21 | Asheville Hot Chocolate Races Half Marathon 10k 5k & 1k | Asheville NC |
| Sat Jan 21 | Burningtree Mountain Half Marathon | Decatur AL |
| Sat Jan 21 | Coyote Hills Half Marathon 10k & 5k | Fremont CA |
| Sat Jan 21 | Huff N Puff Half Marathon & 5k | Jackson GA |
| Sat Jan 21 | McAllen Marathon Scott Crane Run | McAllen TX |
| Sat Jan 21 | Red Rock Canyon Marathon Half Marathon & 5K | Las Vegas NV |
| Sat Jan 21 | SLTC Frostbite Series Half Marathon & 4M | St. Louis MO |
| Sat Jan 21 | Snowbird Challenge Marathon Half Marathon 50K 10K & Relay | Anderson SC |
| Sat Jan 21 | Team Loco Marathon & Half Marathon | Conway AR |
| Sat Jan 21 | Thrift Store 50k & Half Marathon | Pelham AL |
| Sat Jan 21 | Whiskey Tango Foxtrot Half Marathon | Gibsonville NC |
Sunday, January 22
| Sun Jan 22 | 3M Half Marathon | Austin TX |
| Sun Jan 22 | Franklin Mountains Trail Runs Half Marathon 10k & 5k | El Paso TX |
| Sun Jan 22 | SHE Power Half Marathon & 5k | Chandler AZ |
| Sun Jan 22 | Vero Beach Half Marathon and Sea Turtle 2M | Vero Beach FL |
Saturday, January 28
| Sat Jan 28 | Arches Ultra 40M 50k Half Marathon & 9k | Moab UT |
| Sat Jan 28 | ARR Desert Classic Half Marathon & 5k | Surprise AZ |
| Sat Jan 28 | AZT Oracle Rumble 50M 50k Half Marathon & 10k | Tucson AZ |
| Sat Jan 28 | F^3 Lake Half Marathon & 5k | Chicago IL |
| Sat Jan 28 | Folsom Lake Sweetwater Trail Run | Folsom CA |
| Sat Jan 28 | Frostbite Half Marathon 10k & 5k | Starkville MS |
| Sat Jan 28 | Hartness Half Marathon & 5k | Greenville SC |
| Sat Jan 28 | Rotary Mission Ten Half Marathon 10M & 5k | San Juan Bautista CA |
| Sat Jan 28 | Skydive Ultra Florida | Clewiston FL |
| Sat Jan 28 | Sun Marathon Half Marathon 10k & 5k | Santa Clara UT |
| Sat Jan 28 | Too Cold to Hold Half Marathon 10k & 5k | Dallas TX |
| Sat Jan 28 | Urban Ultra Dallas 50k Marathon Half Marathon 10k & 5k | Dallas TX |
Sunday, January 29
| Sun Jan 29 | Big Beach Marathon & Half Marathon | Gulf Shores AL |
| Sun Jan 29 | Clearwater Running Festival Marathon Half Marathon & 50K | Clearwater FL |
| Sun Jan 29 | Das Dreizehn.Eins (13.1) | New Braunfels TX |
| Sun Jan 29 | Harley Half Marathon | Biloxi MS |
| Sun Jan 29 | Miami Marathon & Half Marathon | Miami FL |
| Sun Jan 29 | Sombrero Half Marathon | Simi Valley CA |
| Sun Jan 29 | Town of Celebration Marathon & Half Marathon | Celebration FL |
| Sun Jan 29 | USA FIT Marathon Half Marathon & 5k | Sugar Land TX |
