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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 Pacific Northwest Marathon

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

Weather Averages for Last 11 Years

Race day snapshot

Clear

Most common race morning weather across the last 11 years.

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 91% Humidity

Wind S 4 mph

Race day high 72°F 22°C

Race day low 48°F 9°C

PR Score 99.1 Weather-influenced race day scoring

Course Score 99.77 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 19, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 86% Humidity

Wind SSW 2 mph Wind

Race day high 75°F 24°C

Race day low 53°F 12°C

PR Score 99.11 Normal score 99.73

Course Score 99.73 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest