Massachusetts Breast Cancer Coalition (MBCC) invites you to participate in the 2026 Against the Tide Swim, Run, Walk to support breast cancer prevention!
The 34th Annual Hopkinton event will take place at DCR’s Hopkinton State Park in Hopkinton, MA on June 20th, 2026. The following week, the 27th Annual Cape event will be held at DCR’s Nickerson State Park in Brewster, MA on June 27th, 2026.
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.
“I’m excited to see the incredible energy that participants bring to the 2026 Against the Tide events,” said Cheryl Osimo, MBCC’s Executive Director. “Each year, this event reminds us how powerful our community can be when we come together for prevention. Whether you join us in Hopkinton, on Cape Cod, or virtually, please know that your participation truly makes an impact.”
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 has been dedicated to preventing environmental causes of breast cancer through community education, research, advocacy, and changes to public policy since its founding in 1991. MBCC’s free online educational materials and webinars are made possible through fundraising events and the generosity of donors.
