Swimming World Championships 1982 at Guayaquil (ecu) Men: 100 m Butterfly August 2: Final: 1. Matt Gribble (usa) 53.88 2. Michael Gross (wge) 54.26 3. Bengt Baron (swe) 54.47 4. Aleksey Markovskiy (sov) 54.59 4. Chris Rives (usa) 54.59 6. Edward Maasdijk (net) 55.06 7. Per Arvidsson (swe) 55.10 8. David López Zubero (spa) 55.68