Perfect the Butterfly Stroke

Sixty-five world records have been set in the Expo Center’s swim stadium since it hosted the 1932 Olympics. With practice, maybe you can bring the tally to 66. No need to hawk a gold medal for entry—swimming in the 42-meter family pool costs only a dollar for those under 17 or over 65; anyone in between pays $3.50. Grown-ups also have access to the 50-meter, eight-lane competition pool from 1 p.m. to 4:30 p.m.—CHRISTINA WOLFGRAM