The 2025 event has concluded.

Ghost of Seattle Marathon

Seattle, WA, USA · November 29, 2025

38°·44° high·Light·Dry

Race Day Weather

38°at start

46° high

Light

Dry

Cool morning, steady conditions

Runners will face a cool start at 38°F, warming to 45°F by the finish. With a gentle wind of 5 mph from the SE and high humidity at 84%, hydration will be essential. Given the temperatures, pacing should remain steady, allowing for a conservative start to conserve energy.

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Race Info

The course is a very flat and fast certified Boston Marathon qualifier. The marathon is comprised of two 13.1-mile loops run on streets and sidewalks along scenic Lake Washington in Seattle, WA. Source

Website

Course Map

FAQ

When is the 2025 Ghost of Seattle Marathon?

The 2025 Ghost of Seattle Marathon will be held on Saturday November 29, 2025.

Is the Ghost of Seattle Marathon a Boston Marathon Qualifier?

Yes, the Ghost of Seattle Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2025 Ghost of Seattle Marathon?

The forecast calls for a high of 46°F and a low of 36°F with a 0% chance of rain.

Historical Weather

Based on 5 years of data

Avg Temp

46°F

L:38° H:46°

RunScore

Conditions

Rain Freq

20%

1 of 5 yrs

Wind4mph

Dew40°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Ghost of Seattle Marathon Partly cloudy throughout the day. 2025	38°/45°	-	38°
2024 Ghost of Seattle Marathon Partly cloudy throughout the day. 2024	36°/45°	-	35°
2023 Ghost of Seattle Marathon Clearing in the afternoon. 2023	32°/46°	-	33°
2022 Ghost of Seattle Marathon Cloudy skies throughout the day with late afternoon rain. 2022	36°/44°	-	37°
2021 Ghost of Seattle Marathon Cloudy skies throughout the day with rain. 2021	48°/52°	Light	48°

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