Kenai River Marathon

Kenai, AK, USA · September 27, 2026

43°·47° high·Breezy·Rain possible

Weather

Race Day Weather

43°at start

49° high

Breezy

Rain possible

Cool conditions, light rain possible

Runners will face a steady temperature rise from 43°F to 49°F, with average humidity at 79%. A light, variable wind from the NE at 9 mph may provide some relief, but gusts could reach 16 mph. With light rain likely, hydration should be prioritized, and runners may want to adjust their pace for the cooler, damp conditions.

Race day forecast available in 108 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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Course Map

FAQ

When is the 2026 Kenai River Marathon?

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

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 25% chance of rain.

Historical Weather

Based on 16 years of data

Avg Temp

50°F

L:38° H:50°

RunScore

Conditions

Rain Freq

25%

4 of 16 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 Partly cloudy throughout the day with rain clearing later. 2025	42°/48°	-	31°
2024 Kenai River Marathon Partly cloudy throughout the day. 2024	34°/51°	-	38°
2023 Kenai River Marathon Partly cloudy throughout the day. 2023	39°/52°	-	39°
2022 Kenai River Marathon Partly cloudy throughout the day with rain. 2022	37°/52°	-	39°
2021 Kenai River Marathon Clear conditions throughout the day. 2021	25°/45°	-	28°
2020 Kenai River Marathon Becoming cloudy in the afternoon with early morning rain. 2020	49°/56°	-	40°
2019 Kenai River Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2019	48°/50°	Light	46°
2018 Kenai River Marathon Clearing in the afternoon. 2018	33°/57°	-	38°
2017 Kenai River Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2017	48°/52°	Light	49°
2016 Kenai River Marathon Partly cloudy throughout the day with afternoon rain. 2016	42°/48°	Light	42°
2015 Kenai River Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2015	43°/45°	Light	42°
2014 Kenai River Marathon Clear conditions throughout the day. 2014	32°/52°	-	34°
2013 Kenai River Marathon Cloudy skies throughout the day. 2013	41°/47°	-	31°
2012 Kenai River Marathon Clear conditions throughout the day. 2012	28°/45°	-	30°
2011 Kenai River Marathon Partly cloudy throughout the day. 2011	36°/52°	-	38°
2010 Kenai River Marathon Clear conditions throughout the day. 2010	31°/52°	-	17°