Against the Tide: Swim, Run, or Walk to Prevent Breast Cancer

Against the Tide: Swim, Run, or Walk to Prevent Breast Cancer the 2026 Against the Tide Swim, Run, Walk to support breast cancer prevention!

In-person events include USATF-Course-Certified 5K and 10K runs, USMS-Sanctioned 1-mile swim, 1-mile recreational and competitive swims, ½-mile recreational swim, and a 3-mile fitness walk.

If you are unable to join us in person, participate from wherever you are in virtual Against the Tide between June 20th and June 27th.

In-person participants will receive an event t-shirt and goodie bag.

Prizes will be awarded for the in-person top swim and run finishers, as well as for the highest fundraising team and the three highest fundraising individuals.

Against the Tide can be enjoyed by adults and children of all ages and abilities.

To register, create or join a team, and to donate, go to mbcc.org/against-the-tide.

You can also register in person the morning of the event.

The in-person registration fee is $40 per participant per event.

The virtual registration fee is $20 per person for one or multiple events.

Against the Tide is a major fundraising event for MBCC, whose mission since its founding in 1991 has been to prevent environmental causes of breast cancer through community education, research advocacy, and changes to public policy.

MBCC’s free online educational m…