Kauai Marathon

Poipu, HI, USA • August 31, 2025
TopDescriptionCourseCommunity

Subscribe

Get updates on the Kauai Marathon race forecast and be the first to know if the forecast shifts.

Text Updates

Maximum one update per day. Standard messaging rates apply. Currently only supports USA, UK, and Canada.

Phone Number

Email Updates

By submitting your email you agree to receive weather forecasts and racecast.io updates.

partly-cloudy-day Partly cloudy throughout the day.

Catch up on your reading on the run with Audible Plus. Start your free trial..When you buy through our links, we may earn a commission.

Area Map

Course Maps

FAQ

Ask a Question about the Kauai Marathon

Racecast Concierge (free during beta)

Ask a question about the Kauai Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Kauai Marathon and general racecast.io updates.

When is the 2025 Kauai Marathon?

The 2025 Kauai Marathon will be held on Sunday August 31, 2025.

Community

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Historical Weather

RunScore
Run Score: 5
Temp
83°F
Min/Max
75°/83°F
Dew
71°F
Days of Rain
6/14
Wind
11mph
Tap a row for details.
YearLow / HighRainResults

Kauai Marathon 2024 Weather History

Clearing in the afternoon.

2024
partly-cloudy-night
77°/ 86°-
Run Score: 5

Kauai Marathon 2023 Weather History

Partly cloudy throughout the day with rain clearing later.

2023
rain
75°/ 83°Light
Run Score: 5

Kauai Marathon 2022 Weather History

Partly cloudy throughout the day with rain.

2022
partly-cloudy-night
77°/ 83°Light
Run Score: 6

Kauai Marathon 2019 Weather History

Partly cloudy throughout the day with rain.

2019
partly-cloudy-night
80°/ 85°Light
Run Score: 5

Kauai Marathon 2018 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2018
cloudy
74°/ 81°Light
Run Score: 6

Kauai Marathon 2017 Weather History

Partly cloudy throughout the day.

2017
partly-cloudy-night
72°/ 84°-
Run Score: 7

Kauai Marathon 2016 Weather History

Partly cloudy throughout the day with late afternoon rain.

2016
clear-night
74°/ 86°-
Run Score: 6

Kauai Marathon 2015 Weather History

Clear conditions throughout the day.

2015
clear-night
74°/ 84°-
Run Score: 6

Kauai Marathon 2014 Weather History

Partly cloudy throughout the day with early morning rain.

2014
partly-cloudy-night
75°/ 83°-
Run Score: 7

Kauai Marathon 2013 Weather History

Partly cloudy throughout the day.

2013
partly-cloudy-night
76°/ 86°-
Run Score: 5

Kauai Marathon 2012 Weather History

Partly cloudy throughout the day with afternoon rain.

2012
cloudy
75°/ 84°Light
Run Score: 5

Kauai Marathon 2011 Weather History

Becoming cloudy in the afternoon.

2011
partly-cloudy-night
74°/ 82°-
Run Score: 7

Kauai Marathon 2010 Weather History

Partly cloudy throughout the day with early morning rain.

2010
partly-cloudy-night
75°/ 81°-
Run Score: 6

Kauai Marathon 2009 Weather History

Partly cloudy throughout the day with rain clearing later.

2009
partly-cloudy-night
75°/ 79°Light
Run Score: 6
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR