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B.A.A. Half Marathon

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boston marathon

The Boston Marathon is the world's oldest annual marathon. The B.A.A. manages this American classic, which is sponsored by John Hancock.

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B.A.A. 5K

Kick off marathon weekend with the annually held B.A.A. 5K.

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B.A.A. 10K

Presented by Brigham and Women's Hospital, the B.A.A. 10K is the perfect way to kick off the summer racing season.

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B.A.A. Half Marathon

Presented by Dana-Farber Cancer Institute and the Jimmy Fund, the B.A.A. Half Marathon is a great fall race for the whole family.

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B.A.A. Distance Medley

The B.A.A. Distance Medley is a three-race series which combines the B.A.A. 5K, the B.A.A. 10K, and the B.A.A. Half Marathon.

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B.A.A. Invitational Mile

Top scholastic boys and girls, as well as a field of professional male and female milers, compete in the annual B.A.A. Invitational Mile.

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Mayor's Cup Cross Country

The Mayor’s Cup began in 1990 and the B.A.A., in partnership with adidas, has supported the event since 1997.

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training clinics

The B.A.A. hosts training clinics for all levels. The free clinics are open to registered entrants of races and their guests.

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youth programs

Through B.A.A.'s commitment to the local running community, nearly 35,000 Boston-area youth have experienced B.A.A. programs.

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about the b.a.a.

Boston Athletic Association, established in 1887, is a non-profit organization with a mission of promoting a healthy lifestyle through sports, especially running.

b.a.a. history

in the news

From race registration to race results, keep up to date with the latest news and events from the Boston Marathon.

News and Events