Browse all 2018 and 2019 Hawaii half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
See also: Hawaii Half Marathons, Listed by City
January 2019
| Sun Jan 20 | Maui Oceanfront Marathon Half Marathon 15K 10K & 5K | Lahaina HI |
| 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 |
| Sat Jan 26 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 3 | Kapa'a HI |
| Sun Jan 27 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 4 | Kapa'a HI |
March 2019
| Sat Mar 9 | Revel Kulia Marathon & Half Marathon | Waikoloa HI |
| Sat Mar 16 | Maui Valley to the Sea Half Marathon 10K & 5K | Wailuku HI |
| Sun Mar 17 | Big Island International Marathon Half Marathon 5K & 2M | Hilo HI |
April 2019
| Sun Apr 15 | The Hapalua – Hawaii's Half Marathon | Honolulu HI |
May 2019
| Sun May 26 | Hibiscus Half Marathon 15K & 5-Mile | Honolulu HI |
June 2019
| Sun Jun 30 | Kona Marathon Half Marathon Quarter Marathon & 5K | Waikoloa HI |
July 2018
| Sat Jul 21 | Hawaii Kai Ultra Run | Honolulu HI |
| Sun Jul 22 | Hawaii Kai Ultra Run | Honolulu HI |
August 2018
| Sat Aug 18 | Volcano Rain Forest Runs Half Marathon 10K & 5K | Volcano HI |
September 2018
| Sun Sep 2 | Kauai Marathon & Half Marathon | Poipu HI |
| Sat Sep 22 | Ka'u Coffee Trail Run Half Marathon | Pahala HI |
October 2018
| Sun Oct 14 | Maui Marathon & Half Marathon | Kaanapali HI |
| Sat Oct 20 | Gunstock Trails Half Marathon | Laie HI |
November 2018
| Sat Nov 10 | 100% Pure Kona Coffee Half Marathon | Kailua-Kona HI |
| Sat Nov 10 | Old Koloa Sugar Mill Run Half Marathon 10K & 5K | Koloa HI |
| Sun Nov 11 | Val Nolasco Half Marathon | Honolulu HI |
December 2018
| Sun Dec 2 | XTERRA Trail Run World Championship 21K 10K & 5K | Kaaawa HI |
| Sat Dec 15 | Hawaii Kai Ultra Run | Honolulu HI |
