| Final | time | L | age | | 1. Edwin Moses |  United States | 47.64s WR | 4 | 20 | | 2. Mike Shine | United States | 48.69s | 1 | 22 | | 3. Yevgeniy Gavrilenko |  Soviet Union | 49.45s | 8 | 25 | | 4. Quentin Wheeler | United States | 49.86s | 7 | 21 | | 5. Jose Jesus Carvalho |  Portugal | 49.94s | 3 | 23 | | 6. Yanko Bratanov |  Bulgaria | 50.03s | 2 | 24 | | 7. Alfonso Damaso |  Cuba | 50.19s | 6 | 24 | | 8. Alan Pascoe |  Great Britain | 51.29s | 5 | 28 |
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| Semi 1 | time | | 1. Michael Shine | United States | 49.90s | | 2. Jose Jesus Carvalho | Portugal | 49.97s | | 3. Yanko Bratanov | Bulgaria | 50.11s | | 4. Quentin Wheeler | United States | 50.22s | | 5. Dmitriy Stukalov | Soviet Union | 50.47s | | 6. J. Pierre Perrinelle |  France | 50.82s | | -. George Parris |  Greece | DNF | | -. Harald Schmid |  West Germany | DQ |
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| Semi 2 | time | | 1. Edwin Moses | United States | 48.29s | | 2. Evgeniy Gavrilenko | Soviet Union | 49.73s | | 3. Damaso Alfonso | Cuba | 49.84s | | 4. Alan Pascoe | Great Britain | 49.95s | | 5. J. Claude Nallet | France | 50.08s | | 6. Stavros Tziortzis | Greece | 50.30s | | 7. Jerzy Hewelt |  Poland | 50.57s | | 8. Julio Ferrer |  Puerto Rico | 51.04s |
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At the end of 1975 Pascoe was the world’s number one, and Moses was
an unknown with a best of 51.7. With Akii-Bua derailed because of the
African boycott, Moses was the favourite after running a US record
48.30 in the US Trials. Moses was the only man under 50 seconds in
the heats (49.95), and then imposed himself on the field in the semis,
powering to the third fastest time ever - 48.29 - winning by more than
10m from Gavrilenko. Pascoe, not in world-beating shape after injury,
took fourth in 49.95 ahead of French veteran Jean-Claude Nallet
(50.06). Slowest qualifier was NCAA champion Wheeler.
Only Pascoe attempted to match Moses in the final, and he did so to
the fifth hurdle. Taking 13 strides between the hurdles all the way, the
20 year-old American devastated the opposition and came home to
clock the first world record of his career, and the first of his 45 races
under 48 seconds.
| Heat 1 | time | | 1. Stavros Tziortzis | Greece | 50.42s | | 2. Damaso Alfonso | Cuba | 50.76s | | 3. J. Claude Nallet | France | 50.77s | | 4. Jose Jesus Carvalho | Portugal | 50.99s | | 5. Donald Hanly |  Australia | 51.90s |
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| Heat 2 | time | | 1. Quentin Wheeler | United States | 50.32s | | 2. Harald Schmid | West Germany | 50.57s | | 3. J. Pierre Perrinelle | France | 50.78s | | 3. Dmitriy Stukalov | Soviet Union | 50.78s | | 5. Peter Grant | Australia | 51.07s |
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| Heat 3 | time | | 1. Michael Shine | United States | 50.91s | | 2. Evgeniy Gavrilenko | Soviet Union | 50.93s | | 3. Jerzy Hewelt | Poland | 51.39s | | 4. Yanko Bratanov | Bulgaria | 51.84s | | 5. Abdlatef Abbas Hashem |  Kuwait | 53.06s |
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| Heat 4 | time | | 1. Edwin Moses | United States | 49.95s | | 2. Alan Pascoe | Great Britain | 51.66s | | 3. George Parris | Greece | 51.91s | | 4. Julio Ferrer | Puerto Rico | 52.45s | | 5. Kamil Al Abbasi |  Saudi Arabia | 55.00s | | -. Jesus A Villegas Candelo |  Colombia | DNF |
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