Hawaii Kai Ultra Run
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Event overview
The Hawaii Kai Ultra Run - Kalama Valley 2025 takes place on Saturday and Sunday, December 20-21, 2025 in Honolulu, HI. Check-in and the start/finish are at Kalama Valley Park, 555 Kealahou St., near Sandy Beach. The event offers multiple distance options:
- Half Marathon
- 30K
- Marathon
- 50K
- 50 Miles
- 100K
- 100 Miles
Registration fees vary by distance and will increase by $5.00 on 12/1/2025. Certificates, medals, and stickers are awarded to registered finishers. Finisher shirts can be purchased during registration by 12/1/2025 for $25; a limited number may be available on race day for $30. No-shows forfeit finisher materials.
Course and logistics
The course is a 3.34-mile loop with the start/finish in the middle of the loop. Runners head mauka on Kealahou St. to a turnaround at Kealahou and Ipuai, then return makai toward Sandy Beach and turn back before Kalanianaole Hwy. Turnaround points are marked with cones and signs. Street parking is available along Kealahou St. and Bus Route #23 stops at Bus Stop ID #288 across from the check-in tent. This is a show-up-and-sign-in event with no packet pick up. Water, ice, snacks, and 24-hour public restrooms are provided at the start/finish tent. The event is a 50 States Marathon Club qualifier; completing the 50-mile, 100K, or 100-mile distances can qualify a runner for HURT race entry when timing is certified by a wave start. Visit the organization's website for the most recent information.