The Massachusetts Breast Cancer Coalition (MBCC) will host its annual Against the Tide event on Saturday, June 18, at Hopkinton State Park. The event features multiple competitions and recreational activities, including a half-mile or 1-mile swim, a 5K or 10K run and a 3-mile fitness walk. There also will be a virtual component from June 11-18. Proceeds benefit MBCC’s work toward breast cancer prevention, locally and nationally. For more information and to register, visit mbcc.org/swim.