Kauai Marathon
Poipu, HI, USA · September 6, 2026
Race Day Weather
77°at start
85° high
Breezy
Dry
Warm conditions, hydrate frequently
Runners will face temperatures starting at 77°F and peaking at 85°F, with humidity at 71%. A light wind from the ESE at 12 mph will provide some relief. Runners should adjust their pace conservatively and prioritize hydration to combat the heat and humidity throughout the race.
Race day forecast available in 135 days
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Distance: 26.2mi
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FAQ
When is the 2026 Kauai Marathon?
The 2026 Kauai Marathon will be held on Sunday September 6, 2026.
What will the weather be like for the 2026 Kauai Marathon?
The forecast calls for a high of 85°F and a low of 77°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.