Open tryouts for boys’ winter travel lacrosse teams will be held Sunday at the Riverside Athletic Center. The times are class of 2017 from 10:30 a.m. to noon; class of 2016 from 11:30 a.m. to 1 p.m.; class for 2015 from 12:30 to 2 p.m.; and class of 2014 from 1:30 to 3 p.m. Register for tryouts online at www.207lacrosse.com.

The Bowdoin College hockey teams will host their annual Skate With the Polar Bears food drive from noon to 2 p.m. Sunday at Sidney J. Watson Arena. The skate is free and open to people of all ages with the donation of one non-perishable item or paper product. Items will be given to a local food bank.