The Boston Light Swim is timed with the incoming tide.

We have selected the following dates for future BLS race events:

  • 2019: August 17th @ 7:30 a.m.

  • 2020: August 22nd @ 8:30 a.m.

  • 2021: August 7th @ 6:00 a.m.

  • 2022: August 13th @ 7:00 a.m.

  • 2023: August 19th @ 8:00 a.m.

  • 2024: August 3rd @ 6:00 a.m.

  • 2025: August 23rd @ 6:00 a.m.