7/3-7/5: Swimming: 47th Semana Nautica Age-Group Meet The S.B. Swim Club hosts teams from Southern California, Arizona, and Colorado. Friday’s first event, the 400-meter freestyle, awards the Capps Family Plaque to the open winners. USC-bound Walker Bell of the SBSC will compete in the 400 IM. Saturday morning features a fast and furious schedule of 50-meter races in all strokes. Look for the hometown club’s Ali Powell in the girls’ open 50 free. Fri: 4-6pm. Sat-Sun: 8:30am-1:30pm. Los Baños Del Mar Pool, 401 Shoreline Dr. Free. Call 966-9757 or visit sbswim.org.