At the 1984 Summer Olympics in Los Angeles, 41 events in athletics were contested. There were a total number of 1273 participating athletes from 124 countries. Women's marathon, women's 3000 meters, and women's 400 meters hurdles debuted at these Games.
| Athletics at the Games of the XXIII Olympiad | |
|---|---|
 Athletes during the men’s 400 meters event | |
| No. of events | 41 |
| Competitors | 1,273 from 124 nations |
Medal table
edit| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  United States (USA) | 16 | 15 | 9 | 40 |
| 2 |  West Germany (FRG) | 4 | 2 | 5 | 11 |
| 3 |  Great Britain (GBR) | 3 | 7 | 6 | 16 |
| 4 |  Romania (ROU) | 3 | 3 | 4 | 10 |
| 5 |  Italy (ITA) | 3 | 1 | 3 | 7 |
| 6 |  Finland (FIN) | 2 | 1 | 1 | 4 |
| 7 |  Mexico (MEX) | 2 | 1 | 0 | 3 |
| 8 |  Morocco (MAR) | 2 | 0 | 0 | 2 |
| 9 |  France (FRA) | 1 | 1 | 2 | 4 |
| 10 |  Australia (AUS) | 1 | 1 | 1 | 3 |
| 11 |  Portugal (POR) | 1 | 0 | 2 | 3 |
| 12 |  Kenya (KEN) | 1 | 0 | 1 | 2 |
| 13 |  Brazil (BRA) | 1 | 0 | 0 | 1 |
 Netherlands (NED) | 1 | 0 | 0 | 1 | |
| 15 |  Canada (CAN) | 0 | 2 | 3 | 5 |
| 16 |  Sweden (SWE) | 0 | 2 | 1 | 3 |
| 17 |  Jamaica (JAM) | 0 | 1 | 2 | 3 |
| 18 |  Ireland (IRL) | 0 | 1 | 0 | 1 |
 Ivory Coast (CIV) | 0 | 1 | 0 | 1 | |
 Norway (NOR) | 0 | 1 | 0 | 1 | |
 Switzerland (SUI) | 0 | 1 | 0 | 1 | |
| 22 |  China (CHN) | 0 | 0 | 1 | 1 |
 Nigeria (NGR) | 0 | 0 | 1 | 1 | |
 Spain (ESP) | 0 | 0 | 1 | 1 | |
| Totals (24 entries) | 41 | 41 | 43 | 125 | |
Medal summary
editMen
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Women
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- * Athletes who ran in preliminary round and also received medals.