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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 Deadwood-Mickelson Trail Marathon

See historical race day weather for the Deadwood-Mickelson Trail 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 62°F 17°C

Start Humidity 61% Humidity

Wind NW 6 mph

Race day high 73°F 23°C

Race day low 50°F 10°C

PR Score 91.23 Weather-influenced race day scoring

Course Score 92.33 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.

June 7, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 71°F 22°C

Start Humidity 36% Humidity

Wind SSW 6 mph Wind

Race day high 77°F 25°C

Race day low 61°F 16°C

PR Score 91.78 Normal score 92.09

Course Score 92.69 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest