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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 REVEL Big Cottonwood Marathon

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

Weather Averages for Last 14 Years

Race day snapshot

Clear

Most common race morning weather across the last 14 years.

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 53% Humidity

Wind SE 5 mph

Race day high 84°F 29°C

Race day low 56°F 13°C

PR Score 99.83 Weather-influenced race day scoring

Course Score 100.57 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 12, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 69°F 21°C

Start Humidity 45% Humidity

Wind SE 7 mph Wind

Race day high 87°F 31°C

Race day low 65°F 18°C

PR Score 97.83 Normal score 103.76

Course Score 99.52 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest