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Boston Cut-off Time Prediction Contest

Boston Cut-off Time Prediction Contest

Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.

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Marathon Pace Bands

Marathon Pace Bands

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Nearly 500 marathon courses.
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Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
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Historical weather

Historical Race Day Weather for the Beantown Marathon

See historical race day weather for the Beantown 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 62°F 17°C
Start Humidity 83% Humidity
Wind NNW 7 mph
Race day high 73°F 23°C
Race day low 59°F 15°C
PR Score 95.78 Weather-influenced race day scoring
Course Score 98.66 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.

September 6, 2026

Race day snapshot
Rain, Overcast
Start Line Conditions
Start Temp 60°F 16°C
Start Humidity 86% Humidity
Wind NNW 6 mph Wind
Race day high 67°F 19°C
Race day low 59°F 15°C
PR Score 96.52 Normal score 97.09
Course Score 98.66 Course-only Score
Marathon Pace BandsLive Pace Band phone preview

Course-adjusted pacing

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September 7, 2025

Race day snapshot
Rain, Overcast
Start Line Conditions
Start Temp 62°F 17°C
Start Humidity 100% Humidity
Wind NNW 6 mph Wind
Race day high 67°F 19°C
Race day low 58°F 14°C
PR Score 94.69 Normal score 97.09
Course Score 98.66 Course-only Score

September 8, 2024

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 58°F 14°C
Start Humidity 70% Humidity
Wind WNW 11 mph Wind
Race day high 70°F 21°C
Race day low 53°F 12°C
PR Score 98.05 Normal score 97.09
Course Score 98.66 Course-only Score

September 10, 2023

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 72°F 22°C
Start Humidity 95% Humidity
Wind E 0 mph Wind
Race day high 76°F 24°C
Race day low 69°F 21°C
PR Score 91.29 Normal score 97.09
Course Score 98.66 Course-only Score

September 11, 2022

Race day snapshot
Mostly Cloudy
Mostly Cloudy
Start Line Conditions
Start Temp 67°F 19°C
Start Humidity 76% Humidity
Wind W 5 mph Wind
Race day high 81°F 27°C
Race day low 66°F 19°C
PR Score 94.93 Normal score 97.09
Course Score 98.66 Course-only Score

September 12, 2021

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 65°F 18°C
Start Humidity 82% Humidity
Wind SSW 11 mph Wind
Race day high 83°F 28°C
Race day low 62°F 17°C
PR Score 94.49 Normal score 97.09
Course Score 98.66 Course-only Score

September 8, 2019

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 60°F 16°C
Start Humidity 75% Humidity
Wind NNW 13 mph Wind
Race day high 74°F 23°C
Race day low 58°F 14°C
PR Score 97.06 Normal score 97.09
Course Score 98.66 Course-only Score

September 9, 2018

Race day snapshot
Mostly Cloudy
Mostly Cloudy
Start Line Conditions
Start Temp 60°F 16°C
Start Humidity 70% Humidity
Wind ENE 9 mph Wind
Race day high 67°F 19°C
Race day low 57°F 14°C
PR Score 97.40 Normal score 97.09
Course Score 98.66 Course-only Score

September 10, 2017

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 52°F 11°C
Start Humidity 92% Humidity
Wind NNW 3 mph Wind
Race day high 69°F 21°C
Race day low 52°F 11°C
PR Score 97.56 Normal score 97.09
Course Score 98.66 Course-only Score