Year |
Event |
Status |
Participants |
NOCs |
1906 |
400 metres Freestyle, Men |
Intercalated |
13 |
7 |
1908 |
400 metres Freestyle, Men |
Olympic |
25 |
10 |
1912 |
400 metres Freestyle, Men |
Olympic |
26 |
13 |
1920 |
400 metres Freestyle, Men |
Olympic |
22 |
11 |
1924 |
400 metres Freestyle, Men |
Olympic |
23 |
13 |
1928 |
400 metres Freestyle, Men |
Olympic |
26 |
17 |
1932 |
400 metres Freestyle, Men |
Olympic |
19 |
10 |
1936 |
400 metres Freestyle, Men |
Olympic |
34 |
16 |
1948 |
400 metres Freestyle, Men |
Olympic |
41 |
21 |
1952 |
400 metres Freestyle, Men |
Olympic |
48 |
29 |
1956 |
400 metres Freestyle, Men |
Olympic |
32 |
19 |
1960 |
400 metres Freestyle, Men |
Olympic |
40 |
25 |
1964 |
400 metres Freestyle, Men |
Olympic |
49 |
27 |
1968 |
400 metres Freestyle, Men |
Olympic |
37 |
20 |
1972 |
400 metres Freestyle, Men |
Olympic |
43 |
28 |
1976 |
400 metres Freestyle, Men |
Olympic |
47 |
29 |
1980 |
400 metres Freestyle, Men |
Olympic |
28 |
16 |
1984 |
400 metres Freestyle, Men |
Olympic |
36 |
25 |
1988 |
400 metres Freestyle, Men |
Olympic |
49 |
33 |
1992 |
400 metres Freestyle, Men |
Olympic |
46 |
31 |
1996 |
400 metres Freestyle, Men |
Olympic |
34 |
30 |
2000 |
400 metres Freestyle, Men |
Olympic |
46 |
40 |
2004 |
400 metres Freestyle, Men |
Olympic |
47 |
39 |
2008 |
400 metres Freestyle, Men |
Olympic |
36 |
26 |
2012 |
400 metres Freestyle, Men |
Olympic |
28 |
23 |
2016 |
400 metres Freestyle, Men |
Olympic |
50 |
39 |
2020 |
400 metres Freestyle, Men |
Olympic |
36 |
31 |