Boston or Bust Marathon

Huntsville, AL, USA · September 12, 2027

69°·81° high·Light·Dry

Weather

Race Day Weather

69°at start

82° high

Light

Dry

Warm start, adjust pace wisely

Runners will face a starting temperature of 69°F, rising to 82°F by the end, with humidity at 76% and a dew point of 66°F. Light winds from the ESE at 6 mph will shift to gusts of 19 mph. Runners should start conservatively and stay hydrated, as the heat and humidity may impact performance.

Race day forecast available in 320 days

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Distance: 26.2mi

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Race Info

The Boston or Bust Marathon and Half Marathon run an extremely flat, fast course along Aldridge Creek and the Tennessee River in south Huntsville, Alabama. Both distances start and finish at Ditto Landing Marina and stay entirely on the Aldridge Creek Greenway. Both courses are USATF certified, and the race is a last-chance Boston Marathon qualifier each September. Source

Website

FAQ

When is the 2027 Boston or Bust Marathon?

The 2027 Boston or Bust Marathon will be held on Sunday September 12, 2027.

Is the Boston or Bust Marathon a Boston Marathon Qualifier?

Yes, the Boston or Bust Marathon is an official Boston Marathon qualifier.

What is the time limit for the Boston or Bust Marathon?

The time limit for the Boston or Bust Marathon is 6 hours.

What will the weather be like for the 2027 Boston or Bust Marathon?

The forecast calls for a high of 85°F and a low of 67°F with a 9% chance of rain.

Historical Weather

Based on 5 years of data

Avg Temp

80°F

L:64° H:80°

RunScore

Conditions

Rain Freq

40%

2 of 5 yrs

Wind8mph

Dew62°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Boston or Bust Marathon Partly cloudy throughout the day. 2026	68°/89°	-	72°
2025 Boston or Bust Marathon Clear conditions throughout the day with rain clearing later. 2025	57°/75°	Light	52°
2024 Boston or Bust Marathon Clear conditions throughout the day. 2024	54°/77°	-	48°
2023 Boston or Bust Marathon Partly cloudy throughout the day. 2023	68°/80°	-	68°
2022 Boston or Bust Marathon Partly cloudy throughout the day with rain. 2022	71°/78°	Moderate	71°

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