Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

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Marathon Pace Bands

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Historical weather

Historical Race Day Weather for the Snohomish River Run Marathon

See historical race day weather for the Snohomish River Run Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Weather Averages for Last 9 Years

Race day snapshot
Clear
Clear
Most common race morning weather across the last 9 years.
Start Line Conditions
Start Temp 47°F 8°C
Start Humidity 87% Humidity
Wind E 4 mph
Race day high 64°F 18°C
Race day low 46°F 8°C
PR Score 99.17 Weather-influenced race day scoring
Course Score 99.37 Course-only Score

Race Day Weather by Year

Most recent years appear first so you can quickly compare start conditions, temperatures, wind, and scores across different editions of the race.

October 11, 2026

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 39°F 4°C
Start Humidity 95% Humidity
Wind NE 2 mph Wind
Race day high 58°F 14°C
Race day low 39°F 4°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score
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October 12, 2025

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 48°F 9°C
Start Humidity 89% Humidity
Wind S 10 mph Wind
Race day high 54°F 12°C
Race day low 45°F 7°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score

October 13, 2024

Race day snapshot
Partially cloudy
Partially cloudy
Start Line Conditions
Start Temp 49°F 9°C
Start Humidity 96% Humidity
Wind SSE 4 mph Wind
Race day high 72°F 22°C
Race day low 49°F 9°C
PR Score 98.99 Normal score 99.37
Course Score 99.37 Course-only Score

October 15, 2023

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 54°F 12°C
Start Humidity 87% Humidity
Wind ESE 5 mph Wind
Race day high 67°F 19°C
Race day low 53°F 12°C
PR Score 98.20 Normal score 99.37
Course Score 99.37 Course-only Score

October 16, 2022

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 52°F 11°C
Start Humidity 60% Humidity
Wind E 4 mph Wind
Race day high 83°F 28°C
Race day low 51°F 11°C
PR Score 99.15 Normal score 99.37
Course Score 99.37 Course-only Score

October 17, 2021

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 52°F 11°C
Start Humidity 91% Humidity
Wind SE 5 mph Wind
Race day high 61°F 16°C
Race day low 51°F 11°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score

October 13, 2019

Race day snapshot
Mostly Cloudy
Mostly Cloudy
Start Line Conditions
Start Temp 44°F 7°C
Start Humidity 100% Humidity
Wind SW 1 mph Wind
Race day high 57°F 14°C
Race day low 44°F 7°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score

October 14, 2018

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 39°F 4°C
Start Humidity 69% Humidity
Wind E 3 mph Wind
Race day high 65°F 18°C
Race day low 39°F 4°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score

October 15, 2017

Race day snapshot
Sunny
Sunny
Start Line Conditions
Start Temp 43°F 6°C
Start Humidity 93% Humidity
Wind NNW 4 mph Wind
Race day high 59°F 15°C
Race day low 42°F 6°C
PR Score 99.37 Normal score 99.37
Course Score 99.37 Course-only Score