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Snohomish River Run Marathon

Snohomish, WA, USA

Partly cloudy throughout the day.

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Details
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Pre-Race
Race
Post-Race
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Race Overview

The Snohomish River Run Marathon offers a flat, fast course along the scenic Snohomish River, ideal for runners aiming for personal bests. Starting and finishing in downtown Snohomish, participants enjoy picturesque views of the river and surrounding landscapes. The event fosters a welcoming atmosphere, with all participants receiving a race shirt and finisher medal, and marathon finishers also receiving a finisher crewneck.
Wikipedia

FAQ

When is the 2026 Snohomish River Run Marathon?

The 2026 Snohomish River Run Marathon will be held on Sunday October 11, 2026.

Is the Snohomish River Run Marathon a Boston Marathon Qualfier?

Yes, the Snohomish River Run Marathon is an official Boston Marathon qualifier.

Snohomish River Run Marathon Weather History

Snohomish River Run Marathon Weather Averages

Average Temp: 54°, Average Low: 48°, Average High: 61°
Time8AM9AM10AM11AM12PM1PM2PM
Temp
50°
52°
54°
56°
57°
58°
59°
Feel49°51°53°56°57°58°59°
Rain-------
Wind4mph
5mph
6mph
5mph
7mph
6mph
5mph
Dew45°46°46°46°46°47°46°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Snohomish River Run Marathon 2025

Oct 12, 2025
Partly cloudy throughout the day with a chance of rain throughout the day.
Low: 45°, High: 51°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 49°
partly-cloudy-day 49°
clear-day 50°
partly-cloudy-day 51°
partly-cloudy-day 50°
rain 48°
rain 48°
Feel45°44°50°51°47°45°45°
Rain-----lightlight
Wind10mph
12mph
9mph
7mph
7mph
6mph
6mph
Dew45°45°44°45°45°46°45°
RunScoreRun Score: 8Run Score: 7Run Score: 8Run Score: 9Run Score: 9Run Score: 7Run Score: 6

Snohomish River Run Marathon 2024

Oct 13, 2024
Clear conditions throughout the day.
Low: 51°, High: 72°
Time8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 52°
clear-day 55°
clear-day 59°
clear-day 63°
clear-day 66°
clear-day 70°
clear-day 72°
Feel52°55°59°63°66°70°72°
Rain-------
Wind1mph
7mph
6mph
4mph
5mph
5mph
5mph
Dew46°49°50°51°52°52°52°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8

Snohomish River Run Marathon 2023

Oct 15, 2023
Partly cloudy throughout the day with rain.
Low: 57°, High: 65°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 57°
clear-day 58°
clear-day 61°
clear-day 64°
clear-day 65°
clear-day 64°
partly-cloudy-day 64°
Feel57°58°61°64°65°64°64°
Rain-------
Wind6mph
1mph
5mph
1mph
5mph
5mph
1mph
Dew49°50°51°51°50°50°50°
RunScoreRun Score: 9Run Score: 8Run Score: 9Run Score: 8Run Score: 9Run Score: 9Run Score: 8

Snohomish River Run Marathon 2022

Oct 16, 2022
Clear conditions throughout the day.
Low: 54°, High: 84°
Time8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 59°
clear-day 62°
partly-cloudy-day 68°
clear-day 75°
clear-day 79°
clear-day 80°
clear-day 84°
Feel59°62°68°75°79°79°81°
Rain-------
Wind0mph
4mph
6mph
1mph
0mph
4mph
3mph
Dew38°41°39°39°36°40°38°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 7Run Score: 7Run Score: 8Run Score: 7

Snohomish River Run Marathon 2021

Oct 17, 2021
Partly cloudy throughout the day with late afternoon rain.
Low: 48°, High: 58°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 55°
cloudy 54°
cloudy 55°
cloudy 54°
cloudy 54°
cloudy 53°
cloudy 52°
Feel55°54°55°54°54°53°52°
Rain-------
Wind5mph
6mph
4mph
4mph
6mph
9mph
7mph
Dew47°48°49°50°51°49°48°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Snohomish River Run Marathon 2020

Oct 18, 2020
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 49°, High: 57°, Heavy Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
rain 50°
rain 52°
rain 53°
rain 55°
rain 56°
rain 57°
rain 57°
Feel50°52°53°55°56°57°57°
Rainlightlightlightlightlightlightlight
Wind1mph
10mph
10mph
10mph
5mph
5mph
5mph
Dew48°50°52°53°54°55°55°
RunScoreRun Score: 8Run Score: 6Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 7

Snohomish River Run Marathon 2019

Oct 13, 2019
Partly cloudy throughout the day with early morning rain.
Low: 46°, High: 56°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 49°
cloudy 49°
cloudy 50°
cloudy 51°
partly-cloudy-day 52°
partly-cloudy-day 53°
partly-cloudy-day 55°
Feel49°49°49°51°52°53°55°
Rain-------
Wind0mph
0mph
4mph
0mph
4mph
4mph
1mph
Dew47°46°47°47°48°47°46°
RunScoreRun Score: 7Run Score: 7Run Score: 9Run Score: 8Run Score: 9Run Score: 9Run Score: 8

Snohomish River Run Marathon 2018

Oct 14, 2018
Clear conditions throughout the day.
Low: 40°, High: 63°
Time8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 40°
clear-day 48°
clear-day 52°
clear-day 55°
clear-day 59°
clear-day 60°
clear-day 62°
Feel40°48°52°55°59°60°62°
Rain-------
Wind0mph
0mph
3mph
5mph
6mph
4mph
5mph
Dew37°39°34°32°33°38°34°
RunScoreRun Score: 7Run Score: 7Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Snohomish River Run Marathon 2017

Oct 15, 2017
Clear conditions throughout the day.
Low: 41°, High: 60°
Time8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 42°
clear-day 46°
clear-day 50°
clear-day 52°
clear-day 54°
clear-day 57°
clear-day 58°
Feel42°46°48°52°54°57°58°
Rain-------
Wind3mph
3mph
4mph
6mph
4mph
3mph
5mph
Dew40°42°42°43°44°44°45°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Snohomish River Run Marathon 2016

Oct 9, 2016
Partly cloudy throughout the day with rain.
Low: 48°, High: 54°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 48°
cloudy 49°
partly-cloudy-day 50°
cloudy 50°
partly-cloudy-day 51°
cloudy 53°
partly-cloudy-day 54°
Feel48°48°50°50°51°53°54°
Rain-------
Wind3mph
3mph
3mph
3mph
3mph
5mph
3mph
Dew44°46°45°45°46°46°46°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Snohomish River Run Marathon 2015

Oct 11, 2015
Partly cloudy throughout the day with early morning rain.
Low: 51°, High: 63°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 51°
clear-day 54°
partly-cloudy-day 57°
partly-cloudy-day 58°
partly-cloudy-day 60°
partly-cloudy-day 62°
clear-day 63°
Feel51°54°57°58°60°62°63°
Rain-------
Wind4mph
5mph
7mph
7mph
10mph
11mph
9mph
Dew47°48°49°49°47°45°43°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Snohomish River Run Marathon 2014

Oct 26, 2014
Partly cloudy throughout the day with rain.
Low: 46°, High: 52°, Light Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 49°
cloudy 48°
cloudy 49°
cloudy 50°
rain 50°
rain 50°
cloudy 52°
Feel43°42°43°50°50°50°52°
Rain----lightlight-
Wind15mph
15mph
16mph
15mph
18mph
11mph
9mph
Dew44°44°44°44°44°45°47°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 7Run Score: 6Run Score: 6Run Score: 9

Snohomish River Run Marathon 2013

Oct 27, 2013
Partly cloudy throughout the day with rain in the morning and afternoon.
Low: 46°, High: 56°, Moderate Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
rain 46°
rain 46°
rain 46°
rain 47°
rain 49°
cloudy 51°
cloudy 52°
Feel43°46°45°45°45°51°52°
Rainlightlightlightlightlight--
Wind7mph
3mph
4mph
5mph
10mph
9mph
7mph
Dew43°44°44°45°46°46°46°
RunScoreRun Score: 6Run Score: 7Run Score: 6Run Score: 9Run Score: 8Run Score: 9Run Score: 9

Snohomish River Run Marathon 2012

Oct 28, 2012
Partly cloudy throughout the day with rain.
Low: 51°, High: 58°, Moderate Rain
Time8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 51°
partly-cloudy-day 53°
partly-cloudy-day 54°
rain 56°
cloudy 56°
cloudy 57°
cloudy 57°
Feel51°53°54°56°56°57°57°
Rain---light---
Wind6mph
6mph
6mph
9mph
8mph
8mph
7mph
Dew49°49°50°51°49°48°49°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9