Your Ultimate Guide to Runs, Walks, Swims and Cycling Events on O‘ahu
Get outside, get moving and get in shape with our handy guide to awesome outdoor fitness events on O‘ahu.
Whether you’re looking to run, walk, swim or cycle, there are tons of great outdoor fitness activities happening every month on O‘ahu.
SEE ALSO: The Ultimate Guide to Hiking on O‘ahu
Magic Island Biathlon
Jan. 24, 2026
Where: Ala Moana
Route: A 5K run around Ala Moana Beach Park and 1K swim fronting the park
waikikiswimclub.com, @waikikiswimclub
Photo: Courtesy Hawai‘i Pacific Health
Hawai‘i Pacific Health Women’s 10K & 5K Fun Run
Jan. 25, 2026
Where: Waikīkī/Diamond Head
Route: Both the 10K race and 5K race start and finish at Kapi‘olani Park and take runners through Diamond Head and Kāhala
hawaiipacifichealth.org, @hawaiipacifichealth
Valentine’s Biathlon
Feb. 14, 2026
Where: Ala Moana
Route: 5K run around Ala Moana Beach Park and 1K swim fronting the park
waikikiswimclub.org, @waikikiswimclub
Pineapple Sprint
Feb. 22, 2026
Where: Hale‘iwa
Route: This 11-mile cycling sprint starts in Hale‘iwa and climbs up a stretch of Kamehameha Highway known as Pineapple Hill
asbra.com, @alohastateracing
King’s Runner 10K
March 1, 2026
Where: Ward/Kaka‘ako/Ala Moana
Route: Starts at Thomas Square, takes you to downtown Honolulu, the Waterfront Park and Ala Moana Beach Park before finishing back at Thomas Square
kingsrunner10.com
Fin Swim
March 21, 2026
Where: Ala Moana
Route: TBA, usually a 2K swim at Ala Moana Beach Park
waikikiswimclub.com, @waikikiswimclub
Tantalus Time Trial
April 7, 2026
Where: Tantalus
Route: This 4.4- to 4.6-mile uphill bicycle race starts at Makiki Heights Drive and goes up to Round Top Drive
asbra.com, @alohastateracing
The Hapalua Hawai‘i’s Half Marathon
April 12, 2026
Where: Waikīkī
Route: The 12.1K race starts on Kalākaua Ave., goes to downtown Honolulu and back before finishing at Kapi‘olani Park
thehapalua.com, @thehapalua
Color Run for a Cause
April 18, 2026
Where: Kāne‘ohe
Route: The 2.1-mile course is located at the Marine Core Base Hawai‘i
hawaii.usmc-mccs.org
Kalapawai Lanikai Triathlon
April 19, 2026
Where: Kailua
Route: Includes a 500-meter swim in Kailua Bay, a 3.5-mile run at Kailua Beach Park and a 10-mile bike course along Kailua Bay and around Kailua
boachawaii.com, @bocahawaii
Photo: Courtesy of Hawai‘i Bicycling League
Hale‘iwa Metric Century Ride
April 26, 2026
Where: Haleiwa to Hau‘ula
Route: The 62-mile course starts at Kaiaka Bay Beach Park, and goes from Camp Erdman to Hau‘ula Beach State Park before returning to Hale‘iwa
hbl.org, @hblridealoha
Pineapple Run 10K
May 2, 2026
Where: Wahiawā
Route: Starts at Ka‘ala Elementary School and takes you through Wahiawā and pineapple fields
pineapplerunhawaii.com
Honolulu Triathlon
May 17, 2026
Where: Ala Moana
Route: multiple
Activities include:
- Olympic Triathlon (1500m swim, 40K bike, 10K run)
- Olympic Relay Triathlon (1500m swim, 40K bike, 10K run)
- Sprint Triathlon (750m swim, 20K bike, 5K run)
- Sprint Relay Triathlon (750m swim, 20K bike, 5K run)
- Sprint Corporate Relay
- Junior High School Triathlon (750m swim, 20K bike, 5K run)
- Youth Triathlon (400m swim, 10K bike, 2.5K run)
- Kids Aquathon (50m swim, 3K bike and 1K run/100m swim, 6K bike and 1K run)
- 10K Run
- Aquathlon (750m swim, 5K run)
- Keiki Challenge (500m obstacle fun event)
honolulutriathlon.com, @honolulu_triathlon
North Shore Swim Series: Summer Sprint
June 13, 2026
Where: Hale‘iwa
Route: A 1-mile swim from Sunset Beach Community Park to Ehukai Beach Park
northshoreswimseries.com, @northshoreswimseries
North Shore Swim Series: Waimea Bay Swim
June 27, 2026
Where: Hale‘iwa
Route: A 1.2-mile swim in Waimea Bay
northshoreswimseries.com, @northshoreswimseries
Laule‘a 5K, 10K and Half Marathon
July 11, 2026
Where: ‘Ewa Beach
Route: Starts at Wai Kai, takes you along Hoakalei Country Club and Nimitz Beach before finishing back at Wai Kai
aloharacing.com
North Shore Swim Series: Chuns to Waimea Bay Swim
July 11, 2026
Where: Hale‘iwa
Route: A 1.6-mile swim from Chun’s Reef to Waimea Bay
northshoreswimseries.com, @northshoreswimseries
Hawai‘i Kai Ultra Run XTreme
July 25 and 26, 2026
Where: Hawai‘i Kai
Route: Choose your own distance—half marathon, 30K, marathon, 50K, 50 miles, 100K or 100 miles. The 9-mile looped course starts and ends at Kalama Valley Park, takes you Sandy Beach and Haha‘ione Neighborhood Park.
runsignup.com, @hawaii.kai.ultra.run
North Shore Swim Series: North Shore Challenge Swim
July 25, 2026
Where: Hale‘iwa
Route: A 2.3-mile swim from Ehukai Beach Park to Waimea Bay
northshoreswimseries.com, @northshoreswimseries
Na Wahine Sprint Triathlon
July 26, 2026
Where: Waikīkī/Diamond Head/Kāhala
Route: The all-women’s triathlon includes a 500-meter shoreline swim at Queen’s, a 12-mile bike ride from Kapi‘olani Park through parts of Diamond Head and Kāhala, and a 5K looped run around Kapi‘olani Park.
nawahineracinghi.com, @nawahinesprinttri
Bellows Rucksack
Aug. 1, 2026
Where: Kāne‘ohe
Route: The 9K run (with an optional weighted rucksack) takes you through the fields and forest of the Marine Corps Training Area Bellows on the Marine Core Hawai‘i Base
hawaii.usmc-mccs.org
Hawai‘i Spartan Race
Aug. 15 to 16, 2026
Where: Waialua
Route: Held at Dillingham Ranch, the weekend offers a variety events that traverse through fields, along trails, up steep ridgelines and along the coastline, and will have you navigating man-made obstacle courses. Activities include a Sprint 5K, Super 10K, Beast 10K, Ultra 10K and Kids Race 1-3KM.
spartan.com, @spartanrace
Dick Evans Memorial Race
Aug. 23, 2026
Where: Hawai‘i Kai
Route: This 112-mile uphill bicycle race takes you around the island, starting from Kalama Valley Shopping Center to Waikīkī, Downtown, Pearl City, Waipahu, Hale‘iwa, Kāne‘ohe and Waimānalo, before ending back in Hawai‘i Kai.
asbra.com, @alohastateracing
Photo: Courtesy of Waikīkī Roughwater Swim/Cyndia Michelle
Waikīkī Roughwater Swim
Aug. 30, 2026
Where: Waikīkī
Route: The 3.84K course starts at Kaimana Beach Hotel and travels the shoreline to the Hilton Hawaiian Village
waikikiroughwaterswim.com, @waikikiroughwaterswim
Photo: Courtesy of Hawai‘i Bicycling League
Honolulu Century Ride
Sept. 27, 2026
Where: Waikīkī to Ka‘a‘awa
Route: The 25-mile to 100-mile ride starts and ends at Kapi‘olani Park and takes you eastward through Hawai‘i Kai, along the Kaiwi Coastline, through Waimanalo, Kailua and Kāne‘ohe with a turnaround in Ka‘a‘awa.
hbl.org, @hblridealoha
Tantalus 10-Mile Challenge
September 27, 2026
Where: Makiki
Route: Starts at Makiki Heights Drive and takes you up and down Tantalus Drive and Round Top Drive
runsignup.com, @mprrc
Honolulu Pride Run/Walk 5K
October 2026 – Date TBA
Where: Ala Moana
Route: Around Magic Island and Ala Moana Beach Park
honolulufrontrunners.org, @honolulu_frontrunners
Honolulu Marathon Clinic Turkey Trot and Fun Run
Usually the Thursday before the last Sunday of November
Where: Waikīkī/Diamond Head
Route: Includes a 5-mile run, 1.8-mile family fun run and 1-mile turkey chase at Kapi‘olani Park, and a 5K run that goes from Kapi‘olani Park to Fort Ruger and back.
honolulumarathon.org, @honolulumarathon
Kaiwi Coast Run & Walk
Nov. 22, 2026
Where: Hawai‘i Kai
Route: The 4K run-walk starts at Sandy Beach Park, follows Kalaniana‘ole Highway into Maunalua and finishes at Maunalua Bay
kaiwicoastrun.org, @kaiwicoastrun
Kalākaua Merrie Mile
Dec. 12, 2026
Where: Waikīkī
Route: Starts at Kapi‘olani Park, takes you down Kalākaua Avenue and back along Waikīkī Beach
honolulumarathon.org, @honolulumarathon
Photo: Handout/Getty Images for Honolulu Marathon
Honolulu Marathon
Dec. 13, 2026
Where: Downtown Honolulu to Hawai‘i Kai
Route: The 26.2-mile race starts on Ala Moana Boulevard, takes you to downtown Honolulu, through Waikīkī, eastward from Kāhala to Hawai‘i Kai and back with a finish at Kapi‘olani Park.
honolulumarathon.org, @honolulumarathon
SEE ALSO: The 8 Best Dog-Friendly Hikes on O‘ahu
Brie Thalmann is the home and style editor of HONOLULU Magazine.
