Thursday, April 20
BOYS LACROSSE, Hampton Bays vs. South Fork Islanders, East Hampton High School, 4 p.m.
SOFTBALL, Sayville at East Hampton, 4:30 p.m.
BOYS TENNIS, East Hampton at William Floyd, 4:30 p.m.
BASEBALL, East Hampton at Mount Sinai, 4:30 p.m.
Friday, April 21
LITTLE LEAGUE, opening day, Pantigo fields, East Hampton, 5:30 p.m.
Saturday, April 22
RUNNING, Katy’s Courage 5K, West Water Street, Sag Harbor, 8:30 a.m., registration from 7 to 8:15.
LACROSSE, Cradle for a Cure, free clinic for kindergartners through eighth graders, 9-9:45 a.m.; South Fork Islanders-Port Jefferson boys game, 11, and East Hampton-Southampton girls game, 1 p.m., Shinnecock Reservation, Southampton.
Sunday, April 23
MEN’S SOCCER, Forest Park vs. East Hampton Football Club, 2 p.m., preceded by D-1 Reserves at noon, the Ross School.
Monday, April 24
BOYS TRACK, Miller Place at East Hampton, 4 p.m.
BASEBALL, Elwood-John Glenn at East Hampton, 4:30 p.m.
GIRLS TRACK, East Hampton at Miller Place, 4:30 p.m.
SOFTBALL, East Hampton at Comsewogue, 4:30 p.m.