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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 Skagit Flats Marathon

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

Weather Averages for Last 13 Years

Race day snapshot

Mostly Cloudy

Most common race morning weather across the last 13 years.

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 86% Humidity

Wind SSE 4 mph

Race day high 69°F 21°C

Race day low 54°F 12°C

PR Score 98.13 Weather-influenced race day scoring

Course Score 99.79 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 13, 2026

Race day snapshot

Overcast

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 93% Humidity

Wind SSE 5 mph Wind

Race day high 64°F 18°C

Race day low 55°F 13°C

PR Score 98.30 Normal score 99.30

Course Score 99.81 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest