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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.

Submit Your Prediction

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Historical weather

Historical Race Day Weather for the Combos Marathon

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

Weather Averages for Last 16 Years

Race day snapshot

Clear

Most common race morning weather across the last 16 years.

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 84% Humidity

Wind N 4 mph

Race day high 69°F 21°C

Race day low 45°F 7°C

PR Score 97.72 Weather-influenced race day scoring

Course Score 99.11 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.

March 7, 2026

Race day snapshot

Clear

Start Line Conditions

Start Temp 65°F 18°C

Start Humidity 96% Humidity

Wind N 4 mph Wind

Race day high 84°F 29°C

Race day low 59°F 15°C

PR Score 93.40 Normal score 98.89

Course Score 98.89 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest