Swimming at the 1980 Summer Olympics – Men's 4 × 100 metre medley relay and fourth in their respective 100 m events. The British team included the 100 m breaststroke gold medallist (Duncan Goodhew), and fifth-place finisher in the 100 m backstroke (Gary Abraham). Sweden's butterflyer (Pär Arvidsson) and backstroker (Bengt Baron) had won their respective 100 m events, and their freestyle swimmer (Per Holmertz) had come second in the 100 m, while their lowest ranked swimmer, the breaststroker (Peter Berggren), had come ninth in the 100 m event. The Australians were regarded as an outside chance for a medal, but were not seen as the main threats, as they were ranked seventh coming
Ireland at the 1980 Summer Olympics Competition: Men's 1,500 metres Men's 5,000 metres Men's 10,000 metres Men's Marathon Men's Hammer Throw Men's Light Flyweight (– 48 kg) Men's Flyweight (– 51 kg) Men's Bantamweight (– 54 kg) Men's Featherweight (– 57 kg) Men's Lightweight (– 60 kg) Men's Light-Welterweight (– 63,5 kg) Three cyclists represented Ireland in 1980. Three male pentathletes represented Ireland in 1980. Individual Competition: Team Competition: Men's Coxless Pairs Men's 100m Freestyle Men's 200m Freestyle Women's 100 m Breaststroke Women's 400 m Individual Medley Ireland at the 1980 Summer Olympics Ireland competed at the 1980 Summer Olympics in Moscow, USSR. 47 competitors, 44