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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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Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

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Marathon Pace Bands

Marathon Pace Bands

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Historical weather

Historical Race Day Weather for the Jailbreak Marathon

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

Weather Averages for Last 10 Years

Race day snapshot
Overcast
Overcast
Most common race morning weather across the last 10 years.
Start Line Conditions
Start Temp 48°F 9°C
Start Humidity 86% Humidity
Wind NE 6 mph
Race day high 66°F 19°C
Race day low 45°F 7°C
PR Score 97.64 Weather-influenced race day scoring
Course Score 98.57 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 27, 2025

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 57°F 14°C
Start Humidity 99% Humidity
Wind SSW 4 mph Wind
Race day high 81°F 27°C
Race day low 48°F 9°C
PR Score 95.72 Normal score 98.57
Course Score 98.57 Course-only Score
Marathon Pace BandsLive Pace Band phone preview

Course-adjusted pacing

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September 28, 2024

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 57°F 14°C
Start Humidity 91% Humidity
Wind N 7 mph Wind
Race day high 81°F 27°C
Race day low 56°F 13°C
PR Score 96.59 Normal score 98.57
Course Score 98.57 Course-only Score

September 30, 2023

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 60°F 16°C
Start Humidity 98% Humidity
Wind SE 1 mph Wind
Race day high 81°F 27°C
Race day low 58°F 14°C
PR Score 95.42 Normal score 98.57
Course Score 98.57 Course-only Score

September 24, 2022

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 50°F 10°C
Start Humidity 100% Humidity
Wind S 8 mph Wind
Race day high 70°F 21°C
Race day low 48°F 9°C
PR Score 97.90 Normal score 98.57
Course Score 98.57 Course-only Score

September 25, 2021

Race day snapshot
Possible Drizzle
Start Line Conditions
Start Temp 43°F 6°C
Start Humidity 88% Humidity
Wind W 7 mph Wind
Race day high 66°F 19°C
Race day low 39°F 4°C
PR Score 98.57 Normal score 98.57
Course Score 98.57 Course-only Score

September 26, 2020

Race day snapshot
Mostly Cloudy
Mostly Cloudy
Start Line Conditions
Start Temp 59°F 15°C
Start Humidity 96% Humidity
Wind SSW 3 mph Wind
Race day high 74°F 23°C
Race day low 58°F 14°C
PR Score 97.90 Normal score 98.57
Course Score 98.57 Course-only Score

April 29, 2017

Race day snapshot
Sunny
Sunny
Start Line Conditions
Start Temp 38°F 3°C
Start Humidity 67% Humidity
Wind NE 7 mph Wind
Race day high 52°F 11°C
Race day low 34°F 1°C
PR Score 98.57 Normal score 98.57
Course Score 98.57 Course-only Score

April 30, 2016

Race day snapshot
Partly Cloudy
Partly Cloudy
Start Line Conditions
Start Temp 40°F 4°C
Start Humidity 75% Humidity
Wind NE 6 mph Wind
Race day high 55°F 13°C
Race day low 36°F 2°C
PR Score 98.57 Normal score 98.57
Course Score 98.57 Course-only Score

April 25, 2015

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 39°F 4°C
Start Humidity 76% Humidity
Wind NE 12 mph Wind
Race day high 54°F 12°C
Race day low 36°F 2°C
PR Score 98.57 Normal score 98.57
Course Score 98.57 Course-only Score

April 26, 2014

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 38°F 3°C
Start Humidity 73% Humidity
Wind N 7 mph Wind
Race day high 50°F 10°C
Race day low 32°F 0°C
PR Score 98.57 Normal score 98.57
Course Score 98.57 Course-only Score