Hawaii Triathlon Calendar 2025-2026

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Explore the best triathlons in Hawaii for 2025-2026! Our updated list features 25 exciting races across the region. Find your next race in Hawaii below and join the running community at these great events!

July 2025
Jul
12
Saturday

Laule'a Half Marathon

5 km 10 km 13 mi
Jul
26-27
Sa - Su

Hawaii Kai Ultra Run - Xtreme

Trail Run 13 mi 30 km ... 100 km 100 mi
Jul
27
Sunday

Koloa Plantation Days Family Fun Run

5 km 10 km 10 mi
August 2025
Aug
16-17
Sa - Su

Hawaii Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
Aug
16
Saturday

B.I.R.R. Mauna Loa Access Road Fun Run

20 mi
Aug
31
Sunday

The Kauai Marathon

13 mi 26 mi
September 2025
Sep
6
Saturday

BIRR Hilo Bay 5k and 10k

5 km 10 km
Sep
20
Saturday

Ikaika 5k & 10k

5 km 10 km
Sep
20
Saturday

Ka'u Coffee Trail Run

5 km 10 km 13 mi 50 km
October 2025
Oct
5
Sunday

Tantalus Challenge

10 mi
November 2025
Nov
15
Saturday

100% Pure Kona Coffee Half Marathon

5 km 13 mi
Nov
22
Saturday

Makoa Half Marathon

5 km 10 km 13 mi
Nov
27
Thursday

Kauai Turkey Trot

5 km
December 2025
Dec
7
Sunday

Santa Hat 5K

5 km
Dec
14
Sunday

Honolulu Marathon

26 mi
Dec
20-21
Sa - Su

Hawaii Kai Ultra Run

13 mi 30 km ... 100 km 100 mi
Dec
21
Sunday

Hawaii Bird Conservation Marathon

26 mi
January 2026
Jan
17
Saturday

Akahai Half Marathon

5 km 10 km 13 mi
Jan
18
Sunday

Maui Oceanfront Marathon

5 km 6 mi ... 13 mi 26 mi
March 2026
Mar
1
Sunday

Maui 5K

5 km
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