See all January 2019 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.
Tuesday, January 1 – Friday, January 4
Saturday, January 5
| Sat Jan 5 | Citrus Heritage Run Half Marathon & 5K | Riverside CA |
| Sat Jan 5 | Freeze Your Half Off – Saturday | Chattanooga TN |
| Sat Jan 5 | Holiday Series Marathon Half Marathon 50K 10K & 5K – Day 11 | Las Cruces NM |
| Sat Jan 5 | Moonlight Beach Run Half Marathon 15K 10K & 5K | Daytona Beach FL |
| Sat Jan 5 | Oregon Road Runners Club Y2K Half Marathon & 10K | Forest Grove OR |
| Sat Jan 5 | Red Nose Half Marathon | Columbus GA |
| Sat Jan 5 | Resolution Run & Polar Bear Plunge Half Marathon 10K & 5K | Newport OR |
| Sat Jan 5 | River Road Run Half Marathon 10K & 5K | New Braunfels TX |
| Sat Jan 5 | Run to Read Half Marathon | Fairmont WV |
| Sat Jan 5 | Twin Cities Polar Dash Half Marathon | St. Paul MN |
| Sat Jan 5 | Watchung Run 50K Marathon Half Marathon & 10K | Mountainside NJ |
Sunday, January 6
| Sun Jan 6 | Beachside Half Marathon & 5K | Vero Beach FL |
| Sun Jan 6 | Freeze Your Half Off – Saturday | Chattanooga TN |
| Sun Jan 6 | Herb Parsons Trail Marathon & Half Marathon | Collierville TN |
| Sun Jan 6 | Holiday Series Marathon Half Marathon 50K 10K & 5K – Day 12 | Las Cruces NM |
| Sun Jan 6 | I Ran Flagship Marathons Series – Greece | San Antonio TX |
| Sun Jan 6 | Spring Hill Marathon Mania | Spring Hill FL |
Saturday, January 12
| Sat Jan 12 | All-Out Polar Prowl Half Marathon 10K & 5K | Arvada CO |
| Sat Jan 12 | Best Damn Race Jacksonville Half Marathon 10K & 5K | Jacksonville FL |
| Sat Jan 12 | Charleston Marathon Half Marathon & 5K | Charleston SC |
| Sat Jan 12 | I Ran Flagship Marathons Series – Grenada | San Antonio TX |
| Sat Jan 12 | Pacifica Foothills Trail Run | Pacifica CA |
| Sat Jan 12 | Pensacola Beach Run Half Marathon 10K & 5K | Pensacola FL |
| Sat Jan 12 | Resolution Run Half Marathon & 5K | McKinney TX |
| Sat Jan 12 | Some Like It Cold Marathon Half Marathon 10K & 5K | Knoxville TN |
| Sat Jan 12 | Sorry Bout That Half Marathon | Polson MT |
| Sat Jan 12 | Southern California Half Marathon & 5K | Irvine CA |
| Sat Jan 12 | Walt Disney World Half Marathon | Lake Buena Vista FL |
| Sat Jan 12 | Winter Night Trail Half Marathon & Quarter Marathon | Indianapolis IN |
Sunday, January 13
| Sun Jan 13 | First Light Marathon Half Marathon & Fun Run | Mobile AL |
| Sun Jan 13 | Hollywood Beach Half Marathon & 5K | Hollywood FL |
| Sun Jan 13 | Lake Mead Marathon Half Marathon 10K 5K & Relay | Boulder City NV |
| Sun Jan 13 | Lake Samish Runs Half Marathon | Bellingham WA |
| Sun Jan 13 | MLK Race for the Dream Marathon Half Marathon 5K & Bike Ride | Atlanta GA |
| Sun Jan 13 | Resolution Run Half Marathon 10K & 5K | San Diego CA |
| Sun Jan 13 | Rock in the New Year Half Marathon 10K & 5K | Snellville GA |
Monday, January 14 – Friday, January 18
| Fri Jan 18 | Rally in the Valley of Fire Half Marathon | Overton NV |
Saturday, January 19
| Sat Jan 19 | Arena Attack Indoor Race Series – Hartford | Hartford CT |
| Sat Jan 19 | Daufuskie Island Marathon Half Marathon & Ultra | Daufuskie Island SC |
| Sat Jan 19 | Dunedin Half Marathon | Dunedin FL |
| Sat Jan 19 | Frost Eagle Half Marathon & 5-Mile | Sammamish WA |
| Sat Jan 19 | Hound Dog Half Marathon | Elkmont AL |
| Sat Jan 19 | I Ran Flagship Marathons Series – Guatemala | San Antonio TX |
| Sat Jan 19 | Museum of Aviation Marathon Half Marathon & 5K | Warner Robins GA |
| Sat Jan 19 | New Jersey Fall/Winter Series Half Marathon 10K & 5K – Race 4 | Morristown NJ |
| Sat Jan 19 | Ocean Isle Bridge Run for Food Half Marathon 10K & 5K | Ocean Isle Beach NC |
| Sat Jan 19 | Oregon Winter Half & Quarter Marathon | Aloha OR |
| Sat Jan 19 | The Rain Run Half Marathon | Redmond WA |
| Sat Jan 19 | Rally in the Valley of Fire Half Marathon | Overton NV |
| Sat Jan 19 | Sandman Extreme Half Marathon | Wytheville VA |
| Sat Jan 19 | St. George Half Marathon & 5K | St. George UT |
| Sat Jan 19 | Topeka to Auburn Half Marathon | Topeka KS |
Sunday, January 20
Monday, January 21 – Friday, January 25
| Thu Jan 24 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 1 | Kapa'a HI |
| Fri Jan 25 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 2 | Kapa'a HI |
Saturday, January 26
Sunday, January 27
| Sun Jan 27 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 4 | Kapa'a HI |
| Sun Jan 27 | Big Beach Marathon & Half Marathon | Gulf Shores AL |
| Sun Jan 27 | Clearwater Running Festival | Clearwater FL |
| Sun Jan 27 | Florida Challenge Trail Run Half Marathon & 5K | Lithia FL |
| Sun Jan 27 | Griffith Park Half Marathon & 5K | Los Angeles CA |
| Sun Jan 27 | Highland Y Run Half Marathon 10K & 5K | Highland CA |
| Sun Jan 27 | Miami Marathon & Half Marathon | Miami FL |
| Sun Jan 27 | Miracle Match Marathon Half Marathon 10K & 5K | Waco TX |
| Sun Jan 27 | ONU Polar Bear Indoor Marathon & Half Marathon | Ada OH |
| Sun Jan 27 | SHE Power Half Marathon & 5K | Chandler AZ |
| Sun Jan 27 | Sombrero Half Marathon 10K & 5K | Simi Valley CA |
| Sun Jan 27 | Too Cold to Hold Half Marathon 10K & 5K | Dallas TX |
| Sun Jan 27 | Town of Celebration Marathon & Half Marathon | Celebration FL |
| Sun Jan 27 | Women's Run Series Half Marathon 10K & 5K – Phoenix | Peoria AZ |
