The 2025 event has concluded.

2025 Seattle Marathon Results

Seattle Marathon

Seattle, WA, USA • November 30, 2025

Race Day Weather

29°

46° high

Light

Dry

Cold start, moderate winds

Runners will face a chilly temperature range from 29°F at the start to a mild 45°F by the finish, with an average humidity of 87%. Light winds from the east will create headwinds in the early miles and again around mile 6, challenging runners on climbs. It is advisable to dress warmly and consider adjusting pacing strategies during the tougher segments, particularly where headwinds are present.

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11 AM

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1 PM

2 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

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Weather Adj.

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Common Goals:

The Seattle Marathon is an annual marathon held in Seattle, Washington, USA, around the last Sunday in November. It was first held in 1970. Wikipedia

FAQ

When is the 2025 Seattle Marathon?

The 2025 Seattle Marathon will be held on Sunday November 30, 2025.

Is the Seattle Marathon a Boston Marathon Qualifier?

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

Historical Weather

Based on 24 years of data

Avg Temp

46°F

L:40° H:47°

RunScore

Conditions

Rain Freq

42%

10 of 24 yrs

Wind8mph

Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2024 Seattle Marathon Partly cloudy throughout the day. 2024	32°/48°	-	36°
2023 Seattle Marathon Clearing in the afternoon. 2023	32°/46°	-	35°
2022 Seattle Marathon Cloudy skies throughout the day with late afternoon rain. 2022	36°/43°	-	36°
2021 Seattle Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2021	55°/58°	Light	50°
2019 Seattle Marathon Partly cloudy throughout the day with afternoon rain. 2019	39°/44°	-	29°
2018 Seattle Marathon Partly cloudy throughout the day with late afternoon rain. 2018	36°/48°	-	36°
2017 Seattle Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2017	48°/55°	Light	49°
2016 Seattle Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2016	42°/46°	Light	42°
2015 Seattle Marathon Cloudy skies throughout the day. 2015	33°/37°	-	32°
2014 Seattle Marathon Clear conditions throughout the day. 2014	26°/37°	-	21°
2013 Seattle Marathon Partly cloudy throughout the day with rain. 2013	54°/55°	-	47°
2012 Seattle Marathon Partly cloudy throughout the day. 2012	37°/46°	-	37°
2011 Seattle Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2011	47°/53°	Light	45°
2010 Seattle Marathon Partly cloudy throughout the day with rain or snow clearing later. 2010	36°/41°	Light	35°
2009 Seattle Marathon Cloudy skies throughout the day. 2009	48°/52°	-	45°
2008 Seattle Marathon Cloudy skies throughout the day with rain clearing later. 2008	52°/54°	Light	51°
2007 Seattle Marathon Clearing in the afternoon. 2007	32°/46°	-	34°
2006 Seattle Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2006	34°/40°	Light	33°
2005 Seattle Marathon Partly cloudy throughout the day with rain clearing later. 2005	36°/42°	Light	35°
2004 Seattle Marathon Partly cloudy throughout the day. 2004	40°/43°	-	38°
2003 Seattle Marathon Partly cloudy throughout the day. 2003	41°/43°	-	38°
2002 Seattle Marathon Partly cloudy throughout the day. 2002	43°/48°	-	42°
2001 Seattle Marathon Cloudy skies throughout the day with rain. 2001	44°/46°	Light	40°
2000 Seattle Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2000	47°/50°	Light	44°