The Portland Porpoise Swim Club will hold assessments and registration on Sunday at 2:30 p.m., at the Riverton Community Center for school-age children interested in competitive swimming. PPSC is also offering a high school prep program for swimmers at that level to condition themselves prior to the winter season. FMI, firstname.lastname@example.org or portlandporpoises.com.
The Maine RipTide girls’ ASA softball team is holding tryouts for its 2012 U-10, U-12, U-14, U-16 and U-18 teams Saturday from 9 to 11 a.m. at the Greely Road Field in Cumberland. Registration is $350.