Hawaii Kai Ultra Run XTreme
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (July 25, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Hawaii Kai Ultra Run XTreme in Honolulu offers distances from the half marathon (13.1 miles / 21.1 km) up to 100 miles (160.9 km), with a 30K, a marathon, a 50K, 50 miles and a 100K in between. Set for July 24, 2027, all distances have a 3:00 a.m. scheduled start, though runners can also choose their own start time.
The race begins at Kalama Valley Park and follows a scenic loop with several aid stations. The event promotes sustainability by encouraging participants to bring their own reusable hydration gear. Every finisher receives a certificate and a medal. Open to runners of all levels, it offers a challenging experience amid Hawaii's landscapes.
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Races nearby
Other upcoming races around Honolulu.
Santa Hat 5K & 1M Family Fun Run/Walk
Dec 6, 2026 · Honolulu, HI · 0 mi away
3.1 mi · 1 mi
Ku'ikahi 5K & 10K
Mar 20, 2027 · Honolulu, HI · 0 mi away
6.2 mi · 3.1 mi
Tantalus 10-Mile Challenge
Sep 26, 2027 · Honolulu, HI · 0 mi away
10 mi
LeaLea Charity Run 5K
Oct 10, 2027 · Honolulu, HI · 0 mi away
3.1 mi
Honolulu Marathon
Dec 12, 2026 · Honolulu, HI · 0 mi away
26.2 mi · 6.2 mi · 1 mi
King's Runner 10K
Mar 7, 2027 · Honolulu, HI · 0 mi away
6.2 mi