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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 Aspen Valley Marathon

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

Weather Averages for Last 12 Years

Race day snapshot

Clear

Most common race morning weather across the last 12 years.

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 62% Humidity

Wind SE 3 mph

Race day high 82°F 28°C

Race day low 48°F 9°C

PR Score 91.19 Weather-influenced race day scoring

Course Score 92.04 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.

July 25, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 61°F 16°C

Start Humidity 61% Humidity

Wind SE 3 mph Wind

Race day high 89°F 32°C

Race day low 54°F 12°C

PR Score 90.66 Normal score 96.36

Course Score 92.18 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest