Big Island International Marathon
Hilo, HI, USA • March 15, 2026
Race Day Weather
65°
74° high
Light
Light rain likely
Warm, light rain possible
Runners will face a starting temperature of 66°F, rising to 74°F by the end, with average humidity at 68%. A light, variable wind from the S at 9 mph will accompany a chance of light rain. Runners should adjust their pace conservatively and stay hydrated due to the warm conditions.
Pre-raceRace windowPost-race
Pace Calculator
Distance: 26.2mi
0:00:00
HH:MM:SS
This run goes along the old coast of the Big Island. The marathon is 2 out and backs starting at the Hilo Hawaiian and finishing back at the same hotel. Packet pickup and the Expo are the day before the race at the Hilo Hawaiian Hotel. At the checkout you can purchase Event Insurance for live events Source
Historical Weather
Based on 8 years of data
Avg Temp
79°F
L:67° H:80°
RunScore
Conditions
Rain Freq
50%
4 of 8 yrs
Wind9mph
Dew65°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 70°/79° | Light | 69° | |
2024 | | 67°/78° | Light | 65° | |
2023 |  | 66°/85° | - | 61° | |
2020 |  | 71°/79° | Light | 67° | |
2019 |  | 60°/78° | - | 56° | |
2018 | | 69°/81° | - | 66° | |
2017 | | 66°/80° | - | 61° | |
2016 | | 67°/78° | Light | 64° |