The annual MOPO Miler open water swim at Wellesley’s Morses Pond will take place this summer on Saturday, July 21. Check-in is 8:45am and the swim starts at 9:30am.

It costs $20 to take part, and you get a t-shirt and entrance to the pond for the day. There are half-mile and 1 mile courses in this non-sanctioned event run by the Wellesley Recreation Department.

Visit Wellesley Rec for a registration form: Registration deadline is Saturday, July 14.

Participants must be at least 16 years old, and those under age 18 must have a parent or guardian sign a waiver.