Hawaii Kai Ultra Run

The Hawaii Kai Ultra Run at Kalama Valley Park in Honolulu, Hawaii, offers seven distance options: Half Marathon, 30K, Marathon, 50K, 50 Miles, 100K, and 100 Miles. The course is a 3.34-mile loop; three loops equal 10 miles, with the Start/Finish in the loop's center. Runners head mauka on Kealahou Street to a turnaround near Ipuai Street, then makai toward Sandy Beach.

Check-in and Start/Finish are at Kalama Valley Park; parking is available and Bus Route 23 serves the area. Hydration, snacks, and restrooms are provided. Finisher certificates, medals, and shirts are available.

Show-up-and-sign-in, no packet pickup; corral/wave starts are available at registration. Event runs December 20–21, 2025. Visit the organization's website for the most recent information.