Men's 100 m freestyle - Swimming
|  |  |
Athlete |
Stage |
Result |
Placement |
||||
| 100 m freestyle M - Tokyo 2020 | |||||||
| Katsumi Nakamura | Round 1 | 48.48 | 6 | ||||
| 100 m freestyle M - Rio de Janeiro 2016 | |||||||
| Katsumi Nakamura | Round 1 | 48,61 | 7 | ||||
| Shinri Shioura | Round 1 | 48,94 | 7 | ||||
| 100 m freestyle M - Athens 2004 | |||||||
| Yoshihiro Okumura | Round 1 | 50,24 | 2 | ||||
| 100 m freestyle M - Atlanta 1996 | |||||||
| Shunsuke Ito | Round 1 | 51,29 | 8 | ||||
| 100 m freestyle M - Barcelona 1992 | |||||||
| Shigeo Ogata | Round 1 | 52,74 | 1 | ||||
| Tsutomu Nakano | Round 1 | 51,63 | 7 | ||||
| 100 m freestyle M - Seoul 1988 | |||||||
| Shigeo Ogata | Round 1 | 52,08 | 1 | ||||
| 100 m freestyle M - Los Angeles 1984 | |||||||
| Shigeo Ogata | Round 1 | 52,96 | 5 | ||||
| Satoshi Sumida | Round 1 | 53,83 | 4 | ||||
| 100 m freestyle M - Montreal 1976 | |||||||
| Kozo Higuchi | Round 1 | 54,67 | 7 | ||||
| 100 m freestyle M - Mexico City 1968 | |||||||
| Kunihiro Iwasaki | Semifinal | 55,8 | 6 | ||||
| Round 1 | 55,5 | 2 | q | ||||
| Masayuki Osawa | Round 1 | 56,5 | 2 | ||||
| 100 m freestyle M - Tokyo 1964 | |||||||
| Tatsuo Fujimoto | Semifinal | 55,8 | 6 | ||||
| Round 1 | 55,8 | 1 | q | ||||
| Yukiaki Okabe | Semifinal | 55,2 | 3 | ||||
| Round 1 | 55,4 | 2 | q | ||||
| Tadaharu Goto | Semifinal | 55,6 | 5 | ||||
| Round 1 | 55,8 | 2 | q | ||||
| 100 m freestyle M - Rome 1960 | |||||||
| Keigo Shimizu | Semifinal | 57,1 | 4 | ||||
| Round 1 | 57,3 | 2 | q | ||||
| Katsuki Ishihara | Semifinal | 57,8 | 5 | ||||
| Round 1 | 57,5 | 3 | q | ||||
| 100 m freestyle M - Melbourne 1956 | |||||||
| Atsushi Tani | Final | 58,0 | 7. | ||||
| Semifinal | 57,4 | 3 | q | ||||
| Round 1 | 57,1 | 2 | q | ||||
| Hiroshi Suzuki | Semifinal | 58,0 | 5 | ||||
| Round 1 | 58,4 | 3 | q | ||||
| Manabu Koga | Semifinal | 58,1 | 6 | ||||
| Round 1 | 57,7 | 1 | q | ||||
| 100 m freestyle M - Helsinki 1952 | |||||||
| Yoshihiro Hamaguchi | Semifinal | 58,3 | 3 | ||||
| Semifinal - swimm-off | 59,1 | 3 | |||||
| Round 1 | 58,0 | 1 | q | ||||
| Toru Goto | Final | 58,5 | 4. | ||||
| Semifinal | 58,3 | 3 | |||||
| Semifinal - swimm-off | 58,5 | 1 | q | ||||
| Round 1 | 58,3 | 1 | q | ||||
| Hiroshi Suzuki | Final | 57,4 |  |
||||
| Semifinal | 58,0 | 2 | q | ||||
| Round 1 | 58,0 | 2 | q | ||||
| 100 m freestyle M - Berlin 1936 | |||||||
| Masaharu Taguchi | Final | 58,1 | 4. | ||||
| Semifinal | 57,9 | 1 | Q | ||||
| Round 1 | 57,5 | 1 | OR | ||||
| Shigeo Arai | Final | 58,0 |  |
||||
| Semifinal | 57,9 | 2 | Q | ||||
| Round 1 | 57,7 | 1 | EOR | ||||
| Masanori Yusa | Final | 57,9 | |
||||
| Semifinal | 57,5 | 1 | EOR | ||||
| Round 1 | 57,8 | 1 | Q | ||||
| 100 m freestyle M - Los Angeles 1932 | |||||||
| Zenjiro Takahashi | Final | 59,2 | 5. | ||||
| Semifinal | 59,5 | 3 | Q | ||||
| Round 1 | 59,5 | 1 | Q | ||||
| Tatsugo Kawaishi | Final | 58,6 | |
||||
| Semifinal | 59,0 | 1 | Q | ||||
| Round 1 | 59,8 | 3 | q | ||||
| Yasuji Miyazaki | Final | 58,2 |  |
||||
| Semifinal | 58,0 | 1 | OR | ||||
| Round 1 | 58,7 | 1 | Q | ||||
| 100 m freestyle M - Amsterdam 1928 | |||||||
| Katsuo Takaishi | Final | 1.00,0 | |
||||
| Semifinal | 1.00,0 | 1 | Q | ||||
| Round 1 | 1.01,2 | 2 | Q | ||||
| 100 m freestyle M - Paris 1924 | |||||||
| Katsuo Takaishi | Final | 1.03,0 | 5. | ||||
| Semifinal | 1.02,4 | 3 | q | ||||
| Round 1 | 1.04,0 | 1 | Q | ||||
| Torahiko Miyahata | Semifinal | dns | |||||
| Round 1 | 1.04,2 | 3 | q | ||||
| Kazuo Onoda | Round 1 | 1.05,4 | 3 | ||||
| 100 m freestyle M - Antwerp 1920 | |||||||
| Kenkichi Saito | -- | 6 | |||||
| Masaren Uchida | -- | 5 | |||||
