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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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Best Boston Marathon Qualifiers

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Historical weather

Historical Race Day Weather for the Reykjavik Marathon

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

Weather Averages for Last 1 Years

Race day snapshot

Rain, Partially cloudy

Most common race morning weather across the last 1 years.

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 93% Humidity

Wind SSW 20 mph

Race day high 54°F 12°C

Race day low 52°F 11°C

PR Score 98.04 Weather-influenced race day scoring

Course Score 98.57 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.

August 22, 2026