PICKLEBALL SUNDAY NIGHTS AT WILLIAM DERBY SCHOOL. Calendar When: June 23, 2019 @ 6:00 pm – 8:30 pm Repeats 2019-06-23T18:00:00-06:00 2019-06-23T20:30:00-06:00 Adults only. 6:00 p.m. – 8:30 p.m. Please bring clean indoor runners. $5.00 drop in fee or $50.00 season membership.