128th Boston Marathon
Registration for the 128th Boston Marathon presented by Bank of America will be held September 11-15, 2023.
Monday, April 15, 2024
As the principal sponsor, John Hancock continues to ensure the stability of the world's oldest annual marathon.
2024 Registration Dates and Field Size
Keep up with the latest news on the B.A.A. and Boston Marathon.
A new policy for deferrals at B.A.A. events