Hawaii Kai Ultra Run XTreme 2026
Choose your distance: Half Marathon, 30K, Marathon, 50K, 50 Miles, 100K, or 100 Miles.
You have flexible start time options. You can run with your peers in Corral selections with set wave start times or sign in with your own start time at the start/finish tent for all distances. Start Saturday (3AM or after) or Sunday (most people start between 3AM and 7AM on Saturday morning). All distances must be started by noon on Sunday, 7/26/2026, unless arrangements have been made with the Race Director in advance.
The start and finish is at Kalama Valley Park at 555 Kealahou St. in Hawaii Kai.
Course Details
The course is a 9-mile loop with aid stations approximately 2.5 miles apart. Follow the arrows and cones running in the opposite direction of traffic.
- Aid Station #1 - Start/Finish - Kalama Valley Park - 555 Kealahou St.
- Aid Station #2 - Kamilo'iki Community Park - 7750 Hawaii Kai Dr.
- Aid Station #3 - Hahaione Neighborhood Park - 663 Pepeekeo St.
Aid stations provide water, electrolytes, and snacks. This is a "CUPLESS" event, so please bring your own reusable receptacle or hydration pack. Official reusable HRP cups are available for purchase during registration.
Public restrooms are available at every station.
Pricing and Registration
The race price increases by $5.00 starting 7/1/2026.
This is a Show Up and Sign In event with no packet pick up.
Certificates, medals, and stickers will be awarded to all registered finishers. HKUR 2026 Finisher shirts will be available for purchase for $25 at the time of registration UNTIL 7/1/2026. A limited supply of HKUR shirts may be available for purchase on race day for $30 (not guaranteed).
Special hotel room rates are available for HKUR runners through the Queen Kapiolani Hotel. Contact [email protected] for the partner code.
Additional Information
- This event is a 50 States Marathon Club qualifier.
- Completing a 50-mile, 100K or 100-mile HKUR run will qualify you to enter any HURT race. You must use a "wave start" option to certify timing.