With depths ranging from 2 to 3 meters, it caters to a variety of swimming events. In this arena, 8 to 10 lanes, each 2.5 meters wide, are set to provide optimal conditions for record-breaking feats.

Baker snagged a good lane with the No. 4 seed, and her prelim time of 23.51 goes away. Baker is the No. 3 seed in the 100 backstroke after swimming a 55.01 Friday. That’s an atomic drop from the 56.93 ...