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LAST RACE:

Boston Marathon

NEXT RACE:

2023 B.A.A. 10K

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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

The 2023 B.A.A. 5K, presented by Point32Health, will take place on One Boston Day, Saturday, April 15, 2023. Registration was open to the first 10,000 entrants, and is now closed.

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B.A.A. 10K

The 2023 B.A.A. 10K, presented by Brigham and Women's Hospital, will take place on June 25, 2023.

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B.A.A. Half Marathon

The 2023 B.A.A. Half Marathon, presented by Dana-Farber Cancer Institute and the Jimmy Fund, will take place in November, 2023.

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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. Registration is open now.

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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.

get training

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