Big Island International Marathon

Hilo, HI, USA · March 14, 2027

74°·83° high·Breezy·Rain possible

Weather

Race Day Weather

74°at start

83° high

Breezy

Rain possible

Warm conditions, adjust pace early

Runners will face temperatures rising from 74°F to 83°F, with high humidity at 79% and a dew point of 72°F. A light headwind at 9 mph may provide some relief, but with a 40% chance of light rain, hydration strategies should be prioritized. Runners are advised to start conservatively and adjust their pace accordingly.

Race day forecast available in 232 days

4 AM

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

—

Weather Adj.

—

Common Goals:

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

Website

Course Map

FAQ

When is the 2027 Big Island International Marathon?

The 2027 Big Island International Marathon will be held on Sunday March 14, 2027.

What is the time limit for the Big Island International Marathon?

The time limit for the Big Island International Marathon is 7 hours.

What will the weather be like for the 2027 Big Island International Marathon?

The forecast calls for a high of 83°F and a low of 74°F with a 24% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 9 years of data

Avg Temp

79°F

L:68° H:79°

RunScore

Conditions

Rain Freq

56%

5 of 9 yrs

Wind9mph

Dew66°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Big Island International Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2026	74°/78°	Light	72°
2025 Big Island International Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2025	70°/79°	Light	69°
2024 Big Island International Marathon Cloudy skies throughout the day with rain. 2024	67°/78°	Light	65°
2023 Big Island International Marathon Becoming cloudy in the afternoon. 2023	66°/85°	-	61°
2020 Big Island International Marathon Partly cloudy throughout the day with rain. 2020	71°/79°	Light	67°
2019 Big Island International Marathon Partly cloudy throughout the day. 2019	60°/78°	-	56°
2018 Big Island International Marathon Partly cloudy throughout the day with late afternoon rain. 2018	69°/81°	-	66°
2017 Big Island International Marathon Clearing in the afternoon. 2017	66°/80°	-	61°
2016 Big Island International Marathon Cloudy skies throughout the day with rain. 2016	67°/78°	Light	64°

More HI Races

Honolulu Marathon

2026-12-13 · Honolulu, HI, USA

Hawaii Bird Conservation Marathon

2026-12-20 · Hilo, HI, USA

Maui Oceanfront Marathon

2027-01-17 · Maui, HI, USA

Kauai Marathon

2026-09-06 · Poipu, HI, USA

Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide