"I haven't been as aggressive in the second half of my approach. But I will be ready when it happens, when it counts," said Lewis, who is being touted as the United States flag bearer in Friday's opening ceremony.
Ireland's Susan Smith won the 400m hurdles in 55.08sec, while American teams clocked the fastest times of the year in the men's 4 x 100m and 4 x 400m relays, and the women's 4 x 100m relay. Jon Drummond, Leroy Burrell, Michael Marsh and Dennis Mitchell, the top American team, ran 38.16sec on a wet track in the men's 4 x 100m. Marsh also won the 100m in 10.15sec. The Americans lowered the year's fastest time in the 4 x 400m to 2min 59.29sec despite the absence of Michael Johnson and Butch Reynolds.
The US women clocked 42.34sec in the 4 x 100m without the world 100m champion, Gwen Torrence, who is recovering form a thigh injury.