The Pacific Power Boat Club Inc. will sponsor races Saturday and Sunday on Mission Bay at East Vacation Island off Ski Beach from 10 a.m. to 4 p.m.
The races, which include competition for inboard and outboard hydroplanes, stock outboards, outboard performance craft and mini-boats, are sanctioned by the American Power Boat Assn. and are U.S. national points races.
Parking and admission to races are free.
Tryouts for a men's open division basketball league will be at 1 p.m. June 13 and 14 at the Memorial Recreation Center, 2902 Mercy Ave.
The league, which is sanctioned by the National Collegiate Athletic Assn., will consist of eight 12-man teams. Games will be played on Saturdays and Sundays. League play will begin June 20 and 21.