Swimming World Short Course Championships 2004 at Indianapolis (usa) Men: 100 m Backstroke October 8: Final: 1. Aaron Peirsol (usa) 50.72 2. Matt Welsh (aus) 51.04 3. Thomas Rupprath (ger) 51.20 4. Peter Marshall (usa) 52.09 5. Arkady Vyatchanin (rus) 52.50 6. Stev Theloke (ger) 52.77 7. Ryan Pini (png) 52.94 8. Aschwin Wildeboer (spa) 53.50