The 2026 Girdwood Marathon has concluded.

Girdwood Marathon

Race complete
Girdwood, AK, USA · October 3, 2026
cloudy31°·36° high·Light·Dry
10
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Race Day Weather

cloudy
31°at start
42° high
Breezy
Dry
Your goal
0:00:00

Cool start, steady conditions

Runners will face temperatures rising from 28°F to 41°F during the race. Winds will be light at 8 mph from the SW, providing a slight tailwind throughout. With average humidity at 71% and a dew point of 26°F, runners should feel comfortable but may want to dress in layers to maintain warmth.

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Race Info

The Girdwood Marathon is a trail marathon through the Girdwood Valley near Alaska's Alyeska Resort. It starts and finishes at the Alyeska Daylodge and links more than a dozen singletrack trails, including Winner Creek, the Iditarod Trail, and Bird-to-Gird, through temperate rainforest with a hand-tram river crossing along the way. It has run each October since at least 2019 as a fundraiser for the Girdwood Nordic Ski Club. Organizers warn it is not a beginner course: miles 22 to 24 are notoriously tough, and race day is usually wet.

Race weekend

Saturday, October 3
9:00 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Girdwood Marathon?

The 2026 Girdwood Marathon will be held on Saturday October 3, 2026.

What will the weather be like for the 2026 Girdwood Marathon?

The forecast calls for a high of 42°F and a low of 27°F with a 0% chance of rain.

Historical Weather

Based on 7 years of data
Avg Temp
44°F
L:42° H:46°
RunScore
10
Conditions
Rain Freq
57%
4 of 7 yrs
Wind7mph
Dew38°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
49°/51°Light
10
2024
partly-cloudy-day
41°/45°Light
10
2023
fog
40°/42°-
10
2022
cloudy
43°/48°-
10
2021
cloudy
34°/36°Light
10
2020
partly-cloudy-day
49°/51°Light
10
2019
partly-cloudy-day
39°/45°-
10