Big Island International Marathon
Hilo, United States of America · Tuesday 1 September 2026
Set on the stunning Big Island of Hawaii, the Big Island International Marathon offers a unique blend of natural beauty and athletic challenge. The course takes runners through the scenic landscapes of Hilo, offering breathtaking views of the ocean and surrounding volcanoes. With its relatively flat profile and warm tropical climate, this event is perfect for runners seeking a relaxing yet challenging race experience.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:02:35
Time difference: +2.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain0m
Elevation High72m
Elevation Low0m
Weather Forecast
High25°C
Low20°C
Chance of Rain65%
How hard is Big Island International Marathon?
Moderateharder than 55% of marathons
Flattest / easiestHardest
On our difficulty model, Big Island International Marathon plays about 7 minutes slower than an average road marathon for a 3:30 runner. It ranks #520 hardest of 1150 marathons we analyse, and #267 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Big Island International Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Big Island International Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:00:41 | +00:41 |
| 3:30:00 | 3:31:38 | +01:38 |
| 4:00:00 | 4:02:35 | +02:35 |
| 4:30:00 | 4:33:33 | +03:33 |
| 5:00:00 | 5:04:31 | +04:31 |
| 5:30:00 | 5:35:30 | +05:30 |
| 6:00:00 | 6:06:30 | +06:30 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Big Island International Marathon 2026 Course Analysis
Big Island International Marathon is a full marathon held in Hilo, United States of America. It is scheduled for Tuesday 1 September 2026. The course is run on road surface with 0m of total climbing, with its high point near 72m above sea level. For registration and full race details, visit the official Big Island International Marathon website.
Elevation Profile
This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 20°C and 25°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (65%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
Big Island International Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Big Island International Marathon against other marathons to find the right race for your goals.
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If Big Island International Marathon fits your goal, these courses play out about the same on our difficulty model.
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