Browse all 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 |
July 2020
| Sat Jul 25 | Volcano's 'Ohi'a Lehua Half Marathon | Volcano HI |
September 2020
| Sun Sep 6 | Kauai Marathon & Half Marathon | Poipu HI |
October 2020
| Sun Oct 11 | Maui Marathon & Half Marathon | Kaanapali HI |
November 2020
| Sat Nov 7 | 100% Pure Kona Coffee Marathon & Half Marathon | Kailua-Kona HI |
| Sun Nov 8 | Val Nolasco Half Marathon 10K & 5K | Honolulu HI |
| Sat Nov 14 | Old Koloa Sugar Mill Run Half Marathon 10K & 5K | Koloa HI |
December 2020
| Sun Dec 6 | XTERRA Trail Run Worlds Half Marathon 10K & 5K | Kaaawa HI |
