Browse all 2019-2020 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 2020
| Sat Jan 18 | Revel Kulia Marathon & Half Marathon | Waikoloa HI |
| Sun Jan 19 | Maui Oceanfront Marathon Half Marathon 15K 10K & 5K | Lahaina HI |
| Thu Jan 23 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 1 | Kapa'a HI |
| Fri Jan 24 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 2 | Kapa'a HI |
| Sat Jan 25 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 3 | Kapa'a HI |
| Sun Jan 26 | Aloha Series Marathon Half Marathon 50K 10K & 5K – Day 4 | Kapa'a HI |
March 2020
| Sun Mar 15 | Big Island International Marathon Half Marathon 10K & 5K | Hilo HI |
| Sat Mar 21 | Maui Valley to the Sea Half Marathon | Wailuku HI |
April 2020
| Sun Apr 5 | The Hapalua – Hawaii's Half Marathon | Honolulu HI |
May 2020
| Sun May 24 | Hibiscus Half Marathon 15K & 5-Mile | Honolulu HI |
June 2019
| Sun Jun 2 | Kahakuloa Half Marathon & Relays | Kahakuloa HI |
| Sat Jun 29 | Ha'ena to Hanalei Run Half Marathon 8-Mile & 5K | Hanalei HI |
| Sun Jun 30 | Kona Marathon Half Marathon Quarter Marathon & 5K | Waikoloa HI |
July 2019
| Sat Jul 27 | Hawaii Kai Ultra Run | Honolulu HI |
| Sat Jul 27 | Volcano's 'Ohi'a Lehua Half Marathon | Volcano HI |
| Sun Jul 28 | Hawaii Kai Ultra Run | Honolulu HI |
September 2019
| Sun Sep 1 | Kauai Marathon & Half Marathon | Poipu HI |
| Sat Sep 21 | Ka'u Coffee Trail Run Half Marathon 10K & 5K | Pahala HI |
October 2019
| Sun Oct 13 | Maui Marathon Half Marathon 10K & 5K | Kaanapali HI |
| Sat Oct 19 | XTERRA Gunstock Trails Half Marathon & 5K | Laie HI |
November 2019
| Sat Nov 9 | 100% Pure Kona Coffee Marathon & Half Marathon | Kailua-Kona HI |
| Sat Nov 9 | Old Koloa Sugar Mill Run Half Marathon 10K & 5K | Koloa HI |
| Sun Nov 10 | Val Nolasco Half Marathon | Oahu HI |
| Sun Nov 24 | XTERRA Trail Run World Championship 21K 10K & 5K | Kaaawa HI |
December 2019
| Sat Dec 14 & Sun Dec 15 | Hawaii Kai Ultra Run | Honolulu HI |
