Runners will face a temperature trend from 35°F to 54°F, with average humidity at 47% and a dew point of 25°F. Wind will be light, coming from the S at 10 mph. With these conditions, a steady pace is advisable, allowing for a strong finish as temperatures rise.

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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

Race weekend

Sunday, March 29

7:30 AMMarathon (26.2 mi)

Half Marathon (13.1 mi)

Course Map

FAQ

When is the 2026 B&A Marathon?

The 2026 B&A Marathon will be held on Sunday March 29, 2026.

Is the B&A Marathon a Boston Marathon Qualifier?

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

What will the weather be like for the 2026 B&A Marathon?

The forecast calls for a high of 57°F and a low of 32°F with a 0% 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

44°F

L:41° H:47°

RunScore

Conditions

Rain Freq

18%

3 of 17 yrs

Wind10mph

Dew31°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	33°/52°	-	24°
2025 B&A Marathon Partly cloudy throughout the day. 2025	55°/65°	-	52°
2024 B&A Marathon Clear conditions throughout the day. 2024	34°/40°	-	21°
2023 B&A Marathon Clear conditions throughout the day. 2023	52°/56°	-	31°
2022 B&A Marathon Partly cloudy throughout the day. 2022	40°/44°	-	24°
2019 B&A Marathon Partly cloudy throughout the day with morning rain. 2019	57°/64°	Light	49°
2018 B&A Marathon Clear conditions throughout the day. 2018	37°/43°	-	21°
2017 B&A Marathon Cloudy skies throughout the day. 2017	47°/48°	-	43°
2016 B&A Marathon Cloudy skies throughout the day with late afternoon rain. 2016	39°/41°	-	29°
2015 B&A Marathon Clear conditions throughout the day. 2015	25°/34°	-	11°
2014 B&A Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2014	43°/47°	Moderate	42°
2013 B&A Marathon Partly cloudy throughout the day. 2013	45°/46°	-	36°
2012 B&A Marathon Partly cloudy throughout the day. 2012	44°/45°	-	26°
2011 B&A Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2011	51°/52°	Light	49°
2010 B&A Marathon Clear conditions throughout the day. 2010	36°/47°	-	16°
2009 B&A Marathon Cloudy skies throughout the day with rain or snow. 2009	33°/33°	-	29°
2007 B&A Marathon Partly cloudy throughout the day. 2007	34°/38°	-	16°