JapanTadahiro Kosaka
- Born
- 10 Feb 1960 · 66
- Birthplace
- Wakayama, Japan
- On the podium
- 1990 – 1994
- Olympian
- 1× · Seoul
By championship
| Championship | Total | |||
|---|---|---|---|---|
| Asian Games | 0 | 0 | 2 | 2 |
| International total | 0 | 0 | 2 | 2 |
National championships
| Championship | Total | |||
|---|---|---|---|---|
| Japanese Championships | 9 | 0 | 0 | 9 |
| National total | 9 | 0 | 0 | 9 |
Medals 2
| Year | Championship | Venue | Place | Mark | Record | Notes |
|---|---|---|---|---|---|---|
| 1994 | Asian Games | Hiroshima | 3 | 4:05:00 | ||
| 1990 | Asian Games | Beijing | 3 | 4:16:59 |
National results 9
- 1996 Japanese Championships · Osaka 50kmW 1 3:51:25
- 1991 Japanese Championships · Tokyo 50kmW 1 4:03:23
- 1989 Japanese Championships · Tokyo 50kmW 1 4:06:15
- 1988 Japanese Championships · Tokyo 50kmW 1 4:03:14
- 1987 Japanese Championships · Tokyo 20kmW 1 1:31:26
- 1985 Japanese Championships · Tokyo 50kmW 1 4:24:13
- 1984 Japanese Championships · Tokyo 50kmW 1 4:19:56
- 1984 Japanese Championships · Tokyo 20kmW 1 1:33:47
- 1982 Japanese Championships · Tokyo 20kmW 1 1:32:29