Hawaii Kai Ultra Run - Kalama Valley 2025

🏃‍♂️ The 2025 Hawaii Kai Ultra Run

The 2025 Hawaii Kai Ultra Run will be held on December 20 & 21, 2025 (Saturday & Sunday): one week after the Honolulu Marathon (12/14/2024).

📍 Check-In and Start/Finish

• Location: Kalama Valley Park located at 555 Kealahou St. in Hawaii Kai near Sandy Beach.
• Parking: Street parking where available along Kealahou St.
• Bus Route: #23 stops at Bus Stop ID #288 across from the Check-In tent at Kealahou St. and Mokuhano St.
• Website: For more information, please visit The Bus website at: https://www.thebus.org

🏅 Race Distances

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

The Hawaii Kai Ultra Run route is a 3.34-mile loop (3 loops is 10 miles). The Start/Finish is in the middle of the loop. From the start, runners head mauka on Kealahou St. until the turnaround at Kealahou St. and Ipuai St. Runners then head makai on Kealahou St. towards Sandy Beach and turnaround before Kalanianaʻole Hwy to return back towards the Start/Finish tent to complete a loop. Turnaround points will be clearly marked with cones and signs.

Course Map: https://goo.gl/maps/YA6HRho5ruhhY8G78

🕒 Choose Your Start Time

If you enjoy running with your peers, we are offering Corral selections with set wave start times. Selections may be made when registering for the Half Marathon, 30K, and Marathon distances:

• Saturday: 12/20/2025 - 6am Wave
• Saturday: 12/20/2025 - 7pm Wave
• Sunday: 12/21/2025 - 6am Wave
• Alternative: Show up and sign in with your own start time at the start/finish tent for all distances.

You must start before noon on Saturday and remain on the course to be eligible for no cutoff time. ALL DISTANCES MUST BE STARTED BY NOON ON SUNDAY, 12/21/2025 UNLESS ARRANGEMENTS HAVE BEEN MADE WITH THE RACE DIRECTOR IN ADVANCE.

IMPORTANT: If you are planning to arrive early in the morning (before sunrise), please be quiet. The route is in a residential neighborhood, and many residents are still sleeping. Mahalo in advance!

💦 Other Information

• Registration: This is a Show Up and Sign In event with no packet pick up.
• Hydration: Water, ice, and snacks will also be provided at the Start/Finish tent.
• Restrooms: Public restrooms are available 24 hours at the Start/Finish tent.
• Certificates/Shirts: Certificates, medals, and stickers will be awarded to all registered finishers.

HKUR 2025 Finisher shirts will be available for purchase for $25 at time of registration by 12/1/2025. A LIMITED SUPPLY OF HKUR SHIRTS MAY BE AVAILABLE FOR PURCHASE ON RACE DAY FOR $30 (not guaranteed).

Check out the HKUR Store for other HKUR merchandise available for purchase in advance and on race day: HKUR Store.

Follow us on Instagram @hawaii.kai.ultra.run

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