Hawaii Kai Ultra Run XTreme 2025

Choose your distance:  Half Marathon, 30K, Marathon, 50K, 50 Miles, 100K, or 100 Miles.

Choose your own start time:  Simply show up and sign in with your own start time at the start/finish tent. Start as early as 3AM Saturday morning (most people start between 3AM - 7AM Saturday morning). Other options include any time on Saturday afternoon or Sunday morning. Course will not close until the last person finishes on Sunday.

Location:  The start and finish is at Kalama Valley Park at 555 Kealahou St. in Hawaii Kai. *Bus Information - Bus #23, Bus Stop ID #288 is at Kealahou St. and Mokuhano St. across from the Check-In Tent at Kalama Valley Park.

Course:  9-mile loop with aid stations approximately 2.5 miles apart. Follow the arrows and cones running in the opposite direction of traffic.  Begin at Kalama Valley Park (Aid Station #1) running towards Sandy Beach on Kealahou St, turn at the turnaround point at Kealahou St. and Kalanianaole Hwy, continue back on Kealahou St. and make a left on Hawaii Kai Dr for about a mile including down Heartbreak Hill where you will find Aid Station #2 at Kamilo'iki Community Park; make a left on Lunalilo Home Rd. running for about 0.8 miles, then make a right on Wailua St. for about 0.4 miles, then left on Hawaii Kai Dr. for about 0.2 mile; make a right to continue on Hawaii Kai Dr for about 1/2 mile; turn right running on Hahaione St. for about 0.3 miles and make a left on Pepeeko St. to find Aid Station #3 at Hahaione Neighborhood Park. Continue on Pepeeko St. around the park and make a left on Hawaii Kai Dr. to return the same route back to Kalama Valley Park to complete a loop.

COURSE MAP:  https://goo.gl/maps/9sN2pmZKzBj8udjg9

Distance Maps: Maps | Hawaii Kai Ultra Run (wordpress.com)

Aid Stations:  Water, Gatorade, and general snacks will be provided. Public restrooms are available at all three aid stations.

Aid Station #1 - 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. 

Certificates and medals will be awarded to all registered finishers.  HKUR shirts will be available for purchase for $25 at time of registration.

IF REGISTERING AFTER 7/5/2025, HKUR SHIRTS AND FINISHER MEDALS ARE NOT GUARANTEED AT THE TIME OF THE RACE. SHOULD THEY RUN OUT, THE HKUR SHIRTS AND FINISHER MEDALS WILL BE MAILED TO FINISHERS AT A LATER DATE.

This event is a 50 States Marathon Club qualifier and will count towards your totals.