2009 U. S. Open
Men's 100 Butterfly
Prelims Heat 4
Lane Swimmer Team Place Time
1 Michael Dominski New Trier Swim Club 8 57.38
(26.59  57.38)
2 Sean Mathews Wildcat Aquatic 1 54.94
(25.73  54.94)
3 Peter Benner Qdd Swim Team 2 55.15
(26.12  55.15)
4 Robert Sullivan Ngsv Gator Aquatics 6 55.42
(25.75  55.42)
5 John Lane Dynamo Swim Club 4 55.29
(25.35  55.29)
6 Daniel Donnelly De Anza Cupertino Aquatics 5 55.37
(26.23  55.37)
7 Carl Weigley Metro Aquatics 3 55.17
(25.39  55.17)
8 Kevin Munsch Tucson Ford Dealers Aquatics 7 55.85
(25.79  55.85)