Harwich Mariners Baseball Clinic The Harwich Mariners Baseball Clinics for players ages 5 to 17 are running Monday through Friday at Whiethouse Field. Session 1 for ages 5 to 9 is from 9 to 10:30 a.m. each day and Session 2 for ages 10 to 14 is held from 10:30 a.m. till noon. Session 3 for ages 15 to 17 is from 9:45 to 11:45 a.m. |