Ryan Lochte took the first 50 out hard and pushed through to the finish to win, and hold off Michael Phelps 54.15 to 54.31. Australia’s Ashley Delaney also challenged for the win, making it to the wall in 54.41. Swimming from Lane 5, Matt Grevers just missed the podium with a 54.96 swim.

Matt Grevers leads all qualifiers into the final of the men’s 100 Back with a 55.15 prelim time. David Russell’s 55.43 earned him the 2nd seed while Michael Phelps and Ryan Lochte both put up 55.46 swims to advance to finals as the join #3 seed. Should be the most intriguing race of the night.

Kirsty Coventry won her second event of the night with a 1:00.68 outing in the women’s 100 Back. Mary DeScenza picked up another medal, garnering the silver in 1:01.54. The final medal was claimed by Katy Murdoch after a 1:02.05 swim.

After her 1:01.52 morning swim, World Record Holder Kirsty Coventry locked up the top seed for the women’s 100 Back final tonight. Posting a close time to Coventry’s was Megan Nay, who hit in 1:01.64 to qualify second. Mary DeScenza recorded a 1:02.63 swim, and will likely be joined by Kristen Shickora (1:02.79), Katy Murdoch (1:02.80), and Margaret Hoelzer (1:03.16) in the championship final.