Kenai River Marathon

Kenai, AK, USA · September 27, 2026

43°·49° high·Breezy·Rain possible

Weather

Race Day Weather

43°at start

49° high

Breezy

Rain possible

Cool conditions, light wind

Runners will face a cool start at 43°F, gradually warming to 49°F. Winds will be light from the NE at 9 mph, with gusts up to 16 mph. With humidity at 79%, it's advisable to adjust pacing early and stay hydrated, especially if the light rain develops.

Race day forecast available in 7 days

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Distance: 26.2mi

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Race Info

The Kenai River Marathon offers runners a scenic 26.2-mile course through Alaska's picturesque Kenai Peninsula. Starting and ending at the Kenai Chamber of Commerce and Visitor Center, the race features a mix of paved roads and wooded trails, providing a unique blend of urban and natural landscapes. Participants can choose from the full marathon, half marathon, relay race, or a 5K fun run, all contributing to local parks and recreation development.

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FAQ

When is the 2026 Kenai River Marathon?

The 2026 Kenai River Marathon will be held on Sunday September 27, 2026.

What is the time limit for the Kenai River Marathon?

The time limit for the Kenai River Marathon is 7 hours.

What will the weather be like for the 2026 Kenai River Marathon?

The forecast calls for a high of 51°F and a low of 43°F with a 19% chance of rain.

Historical Weather

Based on 18 years of data

Avg Temp

52°F

L:39° H:52°

RunScore

Conditions

Rain Freq

22%

4 of 18 yrs

Wind9mph

Dew37°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Kenai River Marathon Clear conditions throughout the day. 2025	37°/53°	-	38°
2025 Kenai River Marathon Partly cloudy throughout the day with rain clearing later. 2025	42°/48°	-	32°
2024 Kenai River Marathon Partly cloudy throughout the day. 2024	37°/53°	-	37°
2024 Kenai River Marathon Partly cloudy throughout the day. 2024	35°/53°	-	39°
2023 Kenai River Marathon Partly cloudy throughout the day. 2023	41°/54°	-	39°
2022 Kenai River Marathon Partly cloudy throughout the day with rain. 2022	39°/55°	-	39°
2021 Kenai River Marathon Clear conditions throughout the day. 2021	27°/47°	-	30°
2020 Kenai River Marathon Becoming cloudy in the afternoon with early morning rain. 2020	49°/56°	-	39°
2019 Kenai River Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2019	48°/50°	Light	47°
2018 Kenai River Marathon Clearing in the afternoon. 2018	35°/60°	-	41°
2017 Kenai River Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2017	48°/52°	Light	50°
2016 Kenai River Marathon Partly cloudy throughout the day with afternoon rain. 2016	42°/49°	Light	43°
2015 Kenai River Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2015	43°/46°	Light	43°
2014 Kenai River Marathon Clear conditions throughout the day. 2014	32°/54°	-	34°
2013 Kenai River Marathon Cloudy skies throughout the day. 2013	42°/52°	-	30°
2012 Kenai River Marathon Clear conditions throughout the day. 2012	29°/45°	-	29°
2011 Kenai River Marathon Partly cloudy throughout the day. 2011	36°/54°	-	38°
2010 Kenai River Marathon Clear conditions throughout the day. 2010	43°/53°	-	17°