Swimming World Championships 1975 at Cali (col) Men: 100 m Backstroke July 22: Final: 1. Roland Matthes (ege) 58.15 2. John Murphy (usa) 58.34 3. Mel Nash (usa) 58.38 4. Lutz Wanja (ege) 58.43 5. Steve Pickell (can) 58.63 6. Mark Tonelli (aus) 58.72 7. Klaus Steinbach (wge) 59.12 8. Zoltán Verrasztó (hun) 59.28