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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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Historical weather

Historical Race Day Weather for the Sugarloaf Marathon

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

Weather Averages for Last 13 Years

Race day snapshot

Clear

Most common race morning weather across the last 13 years.

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 78% Humidity

Wind NW 5 mph

Race day high 65°F 18°C

Race day low 46°F 8°C

PR Score 99.45 Weather-influenced race day scoring

Course Score 100.1 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.

May 17, 2026

Race day snapshot

Clear

Start Line Conditions

Start Temp 66°F 19°C

Start Humidity 61% Humidity

Wind WSW 7 mph Wind

Race day high 75°F 24°C

Race day low 52°F 11°C

PR Score 98.46 Normal score 100.10

Course Score 100.10 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest