B&A Marathon

Severna Park, MD, USA · March 7, 2027

38°·44° high·Breezy·Dry

Weather

Race Day Weather

38°at start

45° high

Breezy

Dry

Cool temps, steady wind

Runners will face temperatures starting at 38°F and rising to 44°F, with a max wind of 15 mph from the WNW. Humidity will be around 67%, creating a chillier feel early on. Adjust pacing to account for the wind, especially in the first half, and consider a throwaway layer for pre-race warmth.

Race day forecast available in 139 days

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Distance: 26.2mi

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Race Info

The B&A Trail Marathon and Half Marathon starts at Severna Park High School in Severna Park, Maryland, and follows the paved B&A Trail rail-to-trail path. The marathon course is USATF-certified and qualifies for the Boston Marathon. The route is mostly flat, with one notable climb near mile seven. The event typically draws around 300 marathon finishers each spring. Source

Website

Course Map

FAQ

When is the 2027 B&A Marathon?

The 2027 B&A Marathon will be held on Sunday March 7, 2027.

Is the B&A Marathon a Boston Marathon Qualifier?

Yes, the B&A Marathon is an official Boston Marathon qualifier.

What is the time limit for the B&A Marathon?

The time limit for the B&A Marathon is 6 hours.

What will the weather be like for the 2027 B&A Marathon?

The forecast calls for a high of 47°F and a low of 39°F with a 9% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 17 years of data

Avg Temp

48°F

L:43° H:49°

RunScore

Conditions

Rain Freq

18%

3 of 17 yrs

Wind12mph

Dew29°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 B&A Marathon Partly cloudy throughout the day. 2026	42°/56°	-	25°
2025 B&A Marathon Partly cloudy throughout the day. 2025	56°/71°	-	54°
2024 B&A Marathon Clear conditions throughout the day. 2024	37°/45°	-	22°
2023 B&A Marathon Clear conditions throughout the day. 2023	52°/62°	-	30°
2022 B&A Marathon Partly cloudy throughout the day. 2022	42°/44°	-	23°
2019 B&A Marathon Partly cloudy throughout the day with morning rain. 2019	53°/63°	Light	42°
2018 B&A Marathon Clear conditions throughout the day. 2018	39°/46°	-	19°
2017 B&A Marathon Cloudy skies throughout the day. 2017	47°/47°	-	43°
2016 B&A Marathon Cloudy skies throughout the day with late afternoon rain. 2016	40°/42°	-	28°
2015 B&A Marathon Clear conditions throughout the day. 2015	30°/40°	-	9°
2014 B&A Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2014	42°/44°	Moderate	39°
2013 B&A Marathon Partly cloudy throughout the day. 2013	45°/49°	-	36°
2012 B&A Marathon Partly cloudy throughout the day. 2012	44°/45°	-	24°
2011 B&A Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2011	51°/54°	Light	50°
2010 B&A Marathon Clear conditions throughout the day. 2010	41°/52°	-	16°
2009 B&A Marathon Cloudy skies throughout the day with rain or snow. 2009	33°/35°	-	29°
2007 B&A Marathon Partly cloudy throughout the day. 2007	34°/38°	-	15°

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