| Birth Date: | 4 January 1935 |
| Birth Place: | Toyama Prefecture, Japan |
| Height: | 1.63m (05.35feet) |
| Weight: | 54kg (119lb) |
| Sport: | Long-distance running |
| Show-Medals: | yes |
is a former Japanese long-distance runner who on February 17, 1963 set a world record in the marathon with a time of 2:15:16 at the Beppu Marathon. Terasawa placed second in the marathon at the 1964 Japanese Olympic trials[1] and 15th at the 1964 Summer Olympics.[2] Terasawa is also a two-time champion of the Fukuoka Marathon; he set a Japanese national record during his 1962 victory (2:16:18.4) and improved on it when he won in 1964 (2:14:48.2).[3] At Fukuoka in 1966, he finished fifth (2:15:51.2) after colliding with Jim Hogan, the 1966 European marathon champion, and falling to the pavement just before the half way mark.[3]
When Morio Shigematsu set the world record at the 1965 Polytechnic Marathon, Terasawa finished second.[4] His 2:13:41 performance was the third best ever at the time[5] In 1965, he set his second world record, in the 30 km,[6] and in 1969 he won the Nagano Marathon.[7]
| Representing | |||||
|---|---|---|---|---|---|
| 1962 | Fukuoka, Japan | 1st | 2:16:19 | ||
| 1963 | Beppu-Ōita Marathon | Beppu-Ōita, Japan | 1st | 2:15:16 | |
| 1964 | Fukuoka, Japan | 1st | 2:14:49 | ||
| Beppu-Ōita Marathon | Beppu-Ōita, Japan | 1st | 2:17:49 | ||
| 1965 | Beppu-Ōita Marathon | Beppu-Ōita, Japan | 1st | 2:14:38 | |
| 1966 | Beppu-Ōita Marathon | Beppu-Ōita, Japan | 1st | 2:14:35 | |
| 1969 | Nagano Commemorative Marathon | Nagano, Japan | 1st | 2:21:02 | |
