Event Completed

Hawaii Kai Ultra Run XTreme 2025

Honolulu, Hawaii
Hawaii Kai Ultra Run XTreme 2025 official race logo - running event in Honolulu, Hawaii
DATE:
TIME:
LOCATION:
Honolulu, Hawaii
DISTANCES:
7 Events: 26.2 Miles, 30K, 50 Miles, 100K, 50K, 100 Miles, 13.1 Miles

About 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:  NEW in 2025 are Start Time options for the Half Marathon, 30K, and Marathon distances only.

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 which are as follows:

  1. Saturday, 7/26/2025 - 6am Wave Start
  2. Saturday, 7/26/2025 - 7pm Wave Start
  3. Sunday, 7/27/2025 - 6am Wave Start

Or you can simply show up and 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.) 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, 7/27/2025 UNLESS ARRANGEMENTS HAVE BEEN MADE WITH THE RACE DIRECTOR IN ADVANCE. 

 

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, electrolytes, and general snacks will be provided. Public restrooms are available at all three aid stations.

 

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. 

 

** PLEASE NOTE THE RACE PRICE INCREASES BY $5.00 STARTING 7/1/2025 **

 

Certificates, medals, and stickers will be awarded to all registered finishers.  HKUR XTreme 2025 Finisher shirts will be available for purchase for $25 at time of registration by 7/7/2025. A LIMITED SUPPLY OF HKUR SHIRTS MAY BE AVAILABLE FOR PURCHASE ON RACE DAY FOR $30 (not guaranteed).

 

Special Hotel Room Rates for HKUR Runners!

Need Accommodations while in Hawaii? Our longtime partner Queen Kapiolani Hotel has a special HKUR participant rate available for guests coming from abroad to the run. Please email us @ hawaiirunningproject@gmail.com to obtain the partner code for your hotel stay. 

 

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

https://runsignup.com/Race/Store/HI/Honolulu/HawaiiKaiUltraRunXTreme.

 

Visit the Hawaii Running Project (HPR) store for HRP merchandise: 

https://runsignup.com/Club/Store/HI/Honolulu/HawaiiRunningProject


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

 

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

 

Hawaii Kai Ultra Run XTreme 2025Choose your distance:  Half Marathon, 30K, Marathon, 50K, 50 Miles, 100K, or 100 Miles.   Choose your own start time:  NEW in 2025 are Start Time options for the Half Marathon, 30K, and Marathon distances only. 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 which are as follows: Saturday, 7/26/2025 - 6am Wave StartSaturday, 7/26/2025 - 7pm Wave StartSunday, 7/27/2025 - 6am Wave Start Or you can simply show up and 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.) 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, 7/27/2025 UNLESS ARRANGEMENTS HAVE BEEN MADE WITH THE RACE DIRECTOR IN ADVANCE.    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, electrolytes, and general snacks will be provided. Public restrooms are available at all three aid stations.   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.    ** PLEASE NOTE THE RACE PRICE INCREASES BY $5.00 STARTING 7/1/2025 **   Certificates, medals, and stickers will be awarded to all registered finishers.  HKUR XTreme 2025 Finisher shirts will be available for purchase for $25 at time of registration by 7/7/2025. A LIMITED SUPPLY OF HKUR SHIRTS MAY BE AVAILABLE FOR PURCHASE ON RACE DAY FOR $30 (not guaranteed).   Special Hotel Room Rates for HKUR Runners! Need Accommodations while in Hawaii? Our longtime partner Queen Kapiolani Hotel has a special HKUR participant rate available for guests coming from abroad to the run. Please email us @ hawaiirunningproject@gmail.com to obtain the partner code for your hotel stay.    Check out the HKUR Store for other HKUR merchandise available for purchase in advance and on race day:  https://runsignup.com/Race/Store/HI/Honolulu/HawaiiKaiUltraRunXTreme.   Visit the Hawaii Running Project (HPR) store for HRP merchandise:  https://runsignup.com/Club/Store/HI/Honolulu/HawaiiRunningProject This event is a 50 States Marathon Club qualifier and will count towards your totals.   Follow us on Instagram @hawaii.kai.ultra.run  
Honolulu, HI

Race Events & Distances

Choose from 7 race distances available for Hawaii Kai Ultra Run XTreme 2025 in Honolulu, HI. Registration includes timing, finisher medals, and post-race refreshments.

Marathon

26.2 Miles
Distance
26.2 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about Marathon

How long is the Marathon?
The Marathon covers 26.2 Miles.
What time does the Marathon start?
The Marathon starts at 3:00:00 AM.
Where is the Marathon located?
The Marathon takes place in Honolulu, HI.

30K

30K
Distance
30K
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about 30K

How long is the 30K?
The 30K covers 30K.
What time does the 30K start?
The 30K starts at 3:00:00 AM.
Where is the 30K located?
The 30K takes place in Honolulu, HI.

50 Miles

50 Miles
Distance
50 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about 50 Miles

How long is the 50 Miles?
The 50 Miles covers 50 Miles.
What time does the 50 Miles start?
The 50 Miles starts at 3:00:00 AM.
Where is the 50 Miles located?
The 50 Miles takes place in Honolulu, HI.

100K

100K
Distance
100K
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about 100K

How long is the 100K?
The 100K covers 100K.
What time does the 100K start?
The 100K starts at 3:00:00 AM.
Where is the 100K located?
The 100K takes place in Honolulu, HI.

50K

50K
Distance
50K
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about 50K

How long is the 50K?
The 50K covers 50K.
What time does the 50K start?
The 50K starts at 3:00:00 AM.
Where is the 50K located?
The 50K takes place in Honolulu, HI.

100 Miles

100 Miles
Distance
100 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about 100 Miles

How long is the 100 Miles?
The 100 Miles covers 100 Miles.
What time does the 100 Miles start?
The 100 Miles starts at 6:00:00 AM.
Where is the 100 Miles located?
The 100 Miles takes place in Honolulu, HI.

Half Marathon

13.1 Miles
Distance
13.1 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Honolulu, HI
HonoluluHI
Hawaii Kai Ultra Run XTreme 2025 Organizers

Frequently Asked Questions about Half Marathon

How long is the Half Marathon?
The Half Marathon covers 13.1 Miles.
What time does the Half Marathon start?
The Half Marathon starts at 6:00:00 AM.
Where is the Half Marathon located?
The Half Marathon takes place in Honolulu, HI.

Registration Information

Registration is typically available online until race day (subject to capacity). Early registration is recommended for guaranteed entry and potential early bird pricing. Check with race organizers for specific event details and included amenities.

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