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Swimming at the 1984 Los Angeles Summer Games:

Men's 100 metres Butterfly

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Host City: Los Angeles, United States
Venue(s): Olympic Swim Stadium, University of Southern California, Los Angeles, California
Date Started: July 30, 1984
Date Finished: July 30, 1984

Gold: FRG Michael Groß
Silver: USA Pablo Morales
Bronze: AUS Glenn Buchanan


The top 100 butterflyer in 1982-83 had been the United States’ [Matt Gribble]. After winning the 1982 World Championships, he had set the world record of 53.44 in 1983 and bettered 54 seconds six times, the only swimmer in the world to break that barrier. He made the US team but placed second at the Olympic Trials to [Pedro Pablo Morales], who broke the world record in winning, recording 53.38. But Gribble was injured in Los Angeles, having hurt his back, and his coach commented, “The Trials was a miracle swim for him. He hadn’t done any sprint work and not yardage since his injury. He was swimming off his background.” Gribble would sadly fail to qualify for the Olympic final.

But [Michael Groß] was so good at the Olympics that he likely may have won even facing a top-notch Gribble. The day before this race he had won the 200 freestyle in world record time. Morales was ahead at the wall in 24.76, ahead of his world record pace, and had ½-a-bodylength on Groß. But he gradually closed the gap and regained the lead 10 metres from the wall, outtouching Morales in 53.08, another world record, as Morales was also under the old standard, with 53.23. The final was fast, very fast, as every swimmer except eighth-place finisher [Bengt Baron] (SWE), the 1980 Olympic champ in the 100 back, recorded a personal best and a national record.

View a Phase of this EventFinal StandingsFinalB FinalRound One

Final Standings

Rank Athlete Age Team NOC Medal
1 Michael Groß 20 West Germany FRG Gold WR
2 Pablo Morales 19 United States USA Silver
3 Glenn Buchanan 21 Australia AUS Bronze
4 Rafael Vidal 20 Venezuela VEN
5 Andy Jameson 19 Great Britain GBR
6 Anthony Mosse 19 New Zealand NZL
7 Andreas Behrend 20 West Germany FRG
8 Bengt Baron 22 Sweden SWE
9 Tom Ponting 19 Canada CAN
10 Théophile David 20 Switzerland SUI
11 Dano Halsall 21 Switzerland SUI
12T David López-Zubero 25 Spain ESP
12T Kristofer Stivenson 19 Greece GRE
14 Cees Vervoorn 24 Netherlands NED
15 Søren Østberg 22 Denmark DEN
16 Matt Gribble 22 United States USA
17 Mark Stockwell 21 Australia AUS
18 Fabrizio Rampazzo 21 Italy ITA
19 Dave Churchill 20 Canada CAN
20 Harri Garmendia 18 Spain ESP
21 Anthony Nesty 16 Suriname SUR
22 Taihei Saka 20 Japan JPN
23 Ian Collins 21 Great Britain GBR
24 Shudo Kawawa 18 Japan JPN
25 Gérard de Kort 20 Netherlands NED
26 İhsan Sabri Özün 21 Turkey TUR
27 Zheng Jian 20 China CHN
28 Ang Peng Siong 21 Singapore SIN
29T Filiberto Colon 18 Puerto Rico PUR
29T Hrvoje Barić 19 Yugoslavia YUG
31 Luis Juncos 21 Argentina ARG
32 Carlos Scanavino 20 Uruguay URU
33 Carlos Romo 17 Mexico MEX
34 Allan Marsh 21 Jamaica JAM
35 Ahmed Said 22 Egypt EGY
36 Kemal Sadri Özün 20 Turkey TUR
37T João Santos 20 Portugal POR
37T Tsang Yi Ming 18 Hong Kong HKG
39 Sean Nottage 19 Bahamas BAH
40 Bang Jun-Yeong 18 South Korea KOR
41 Ahmed Eid 23 Egypt EGY
42 Deryck Marks 20 Jamaica JAM
43 Ingi Jónsson 21 Iceland ISL
44 Faisal Marzouk Kuwait KUW
45 Roberto Granados 15 Guatemala GUA
46 Juan Miranda 16 El Salvador ESA
47 Ibrahim El-Baba Lebanon LIB
48 Adel Al-Ghaith Kuwait KUW
49 Warren Sorby 18 Fiji FIJ
50 Salvador Corelo Honduras HON
51 Trevor Ncala 19 Swaziland SWZ
52 Samuela Tupou 29 Fiji FIJ
53 Esa Fadel Bahrain BRN