Kauai Marathon
Poipu, HI, USA · September 6, 2026
Race Day Weather
82°at start
83° high
Breezy
Dry
Hot start, moderate wind
A warm 82°F start means heat management is critical — consider dialing back your goal pace by 10-20 sec/mi. Moderate winds around 12mph may affect pacing on open sections of the course. Moderate humidity at 76% is worth noting for effort level, especially in later miles.
Race day forecast available in 43 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 83°F and a low of 81°F with a 1% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.