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Hawaii Half Marathon Races

Upcoming half marathon races in Hawaii, sorted by date.

1 Mile5K10K15K10 MileHalf MarathonMarathonUltra

Nov 2026

Nov14Sat

100% Pure Kona Coffee Half Marathon & 5k

Kailua-Kona, HI · from $50

13.1 Miles5K
Nov21Sat

Makoa 5K, 10K & Half Marathon

Ewa Beach, HI · from $65

13.1 Miles6.2 Miles3.1 Miles

Training for a race in Hawaii? Find a coach who knows the area.

A coach turns a goal time into a plan built around your schedule, your history and your race, and can meet you in Hawaii.

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Dec 2026

Dec19Sat

Hawaii Kai Ultra Run - Kalama Valley 2026

Honolulu, HI · from $30

100 Miles100K50 Miles50K26.2 Miles

Jan 2027

Jan16Sat

Akahai 5K, 10K & Half Marathon

Ewa Beach, HI · from $60

13.1 Miles6.2 Miles3.1 Miles

Mar 2027

Mar14Sun

Big Island International Marathon 2027 30 years running the old coast of Hawaii

Hilo, HI · from $30

26.2 Miles13.1 Miles6.2 Miles3.1 Miles2 Miles
Mar21Sun

Windward Half Marathon & 5K

Kailua, HI

13.1 Miles5Kregistration closed

May 2027

May8Sat

Ho'omau 5K, 10K & Half Marathon

Ewa Beach, HI · from $35

13.1 Miles6.2 Miles3.1 Miles

Jul 2027

Jul17Sat

Laule'a 5K, 10K & Half Marathon

Ewa Beach, HI · from $35

13.1 Miles6.2 Miles3.1 Miles

Pace calculator →

Pace, finish time, race predictions and training paces.

Mile-by-mile pace band →

Printable splits with negative-split and hill adjustments.

Race listings come from RunSignup. Dates, prices and details can change, so confirm on the race's registration page.