The 2025 event has concluded.

Kenai River Marathon

Kenai, AK, USA • September 23, 2025
TopDescriptionCourseCommunity
Register

Subscribe

Get updates on the Kenai River 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.

rain Partly cloudy throughout the day with rain clearing later.

Bounce free storage for your phone, keys and fuel on the run. FlipBelt Classic Running Belt.When you buy through our links, we may earn a commission.

Area Map

Course Maps

FAQ

Ask a Question about the Kenai River Marathon

Racecast Concierge (free during beta)

Ask a question about the Kenai River 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 Kenai River Marathon and general racecast.io updates.

When is the 2025 Kenai River Marathon?

The 2025 Kenai River Marathon will be held on Tuesday September 23, 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 & Results

RunScore
Run Score: 7
Temp
50°F
Min/Max
38°/50°F
Dew
37°F
Days of Rain
4/15
Wind
9mph
Tap a row for details.
YearLow / HighRain

Kenai River Marathon 2024 Weather History

Partly cloudy throughout the day.

2024
partly-cloudy-night
34°/ 51°-
Run Score: 8

Kenai River Marathon 2023 Weather History

Partly cloudy throughout the day.

2023
cloudy
39°/ 52°-
Run Score: 8

Kenai River Marathon 2022 Weather History

Partly cloudy throughout the day with rain.

2022
partly-cloudy-night
37°/ 52°-
Run Score: 8

Kenai River Marathon 2021 Weather History

Clear conditions throughout the day.

2021
clear-night
25°/ 45°-
Run Score: 7

Kenai River Marathon 2020 Weather History

Becoming cloudy in the afternoon with early morning rain.

2020
clear-night
49°/ 56°-
Run Score: 5

Kenai River Marathon 2019 Weather History

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

2019
partly-cloudy-night
48°/ 50°Light
Run Score: 6

Kenai River Marathon 2018 Weather History

Clearing in the afternoon.

2018
cloudy
33°/ 57°-
Run Score: 8

Kenai River Marathon 2017 Weather History

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

2017
rain
48°/ 52°Light
Run Score: 7

Kenai River Marathon 2016 Weather History

Partly cloudy throughout the day with afternoon rain.

2016
cloudy
42°/ 48°Light
Run Score: 8

Kenai River Marathon 2015 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2015
rain
43°/ 45°Light
Run Score: 6

Kenai River Marathon 2014 Weather History

Clear conditions throughout the day.

2014
clear-night
32°/ 52°-
Run Score: 7

Kenai River Marathon 2013 Weather History

Cloudy skies throughout the day.

2013
cloudy
41°/ 47°-
Run Score: 8

Kenai River Marathon 2012 Weather History

Clear conditions throughout the day.

2012
clear-night
28°/ 45°-
Run Score: 7

Kenai River Marathon 2011 Weather History

Partly cloudy throughout the day.

2011
clear-night
36°/ 52°-
Run Score: 8

Kenai River Marathon 2010 Weather History

Clear conditions throughout the day.

2010
clear-night
31°/ 52°-
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