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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.

Submit Your Prediction

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Historical weather

Historical Race Day Weather for the Kona Marathon

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

Weather Averages for Last 11 Years

Race day snapshot

Clear

Most common race morning weather across the last 11 years.

Start Line Conditions

Start Temp 73°F 23°C

Start Humidity 75% Humidity

Wind SE 5 mph

Race day high 81°F 27°C

Race day low 73°F 23°C

PR Score 93.11 Weather-influenced race day scoring

Course Score 98.4 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 4, 2026

Race day snapshot

Overcast

Start Line Conditions

Start Temp 72°F 22°C

Start Humidity 68% Humidity

Wind ENE 2 mph Wind

Race day high 79°F 26°C

Race day low 72°F 22°C

PR Score 94.69 Normal score 93.78

Course Score 98.73 Course-only Score

Boston Qualifying Cut-off Time Prediction Contest