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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 Montana Marathon

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

Weather Averages for Last 15 Years

Race day snapshot

Clear

Most common race morning weather across the last 15 years.

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 58% Humidity

Wind SW 7 mph

Race day high 75°F 24°C

Race day low 50°F 10°C

PR Score 97.59 Weather-influenced race day scoring

Course Score 97.98 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 20, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 66% Humidity

Wind W 8 mph Wind

Race day high 74°F 23°C

Race day low 52°F 11°C

PR Score 97.26 Normal score 99.51

Course Score 97.37 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest