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Boston Cut-off Time Prediction Contest

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Historical weather

Historical Race Day Weather for the Glass City Marathon

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

Weather Averages for Last 16 Years

Race day snapshot

Clear

Most common race morning weather across the last 16 years.

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 81% Humidity

Wind E 7 mph

Race day high 60°F 16°C

Race day low 43°F 6°C

PR Score 98.81 Weather-influenced race day scoring

Course Score 99.16 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.

April 26, 2026

Race day snapshot

Overcast

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 82% Humidity

Wind E 6 mph Wind

Race day high 55°F 13°C

Race day low 47°F 8°C

PR Score 99.04 Normal score 99.09

Course Score 99.04 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest