Big Island International Marathon
Race Day Weather
Warm start, cautious hydration needed
Runners will face temperatures starting at 74°F and rising to 83°F, with humidity at 79% and a dew point of 72°F. A light wind from the ESE at 9 mph may provide slight relief but can gust up to 19 mph. Runners should adjust their pace conservatively and hydrate frequently to combat the heat and humidity.
Pace Calculator
Get forecast alerts for Big Island International Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
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
