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Boston Cut-off Time Prediction Contest

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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Marathon Pace Bands

Marathon Pace Bands

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Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

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Historical weather

Historical Race Day Weather for the Bound for Boston (Las Vegas) Marathon

See historical race day weather for the Bound for Boston (Las Vegas) Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Weather Averages for Last 3 Years

Race day snapshot
Partially cloudy
Partially cloudy
Most common race morning weather across the last 3 years.
Start Line Conditions
Start Temp 53°F 12°C
Start Humidity 45% Humidity
Wind NE 6 mph
Race day high 73°F 23°C
Race day low 52°F 11°C
PR Score 98.79 Weather-influenced race day scoring
Course Score 98.79 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.

March 15, 2026

Race day snapshot
Partially cloudy
Partially cloudy
Start Line Conditions
Start Temp 65°F 18°C
Start Humidity 19% Humidity
Wind NE 10 mph Wind
Race day high 80°F 27°C
Race day low 65°F 18°C
PR Score 98.79 Normal score 98.79
Course Score 98.79 Course-only Score
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Course-adjusted pacing

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March 16, 2025

Race day snapshot
Partially cloudy
Partially cloudy
Start Line Conditions
Start Temp 44°F 7°C
Start Humidity 49% Humidity
Wind W 3 mph Wind
Race day high 72°F 22°C
Race day low 43°F 6°C
PR Score 98.79 Normal score 98.79
Course Score 98.79 Course-only Score

March 17, 2024

Race day snapshot
Partially cloudy
Partially cloudy
Start Line Conditions
Start Temp 49°F 9°C
Start Humidity 68% Humidity
Wind WSW 5 mph Wind
Race day high 67°F 19°C
Race day low 47°F 8°C
PR Score 98.79 Normal score 98.79
Course Score 98.79 Course-only Score