| Medal record | ||
|---|---|---|
| Men's canoe slalom | ||
| World Championships | ||
Representing  Czechoslovakia
| ||
 |
1973 Muotathal | C-2 |
 |
1973 Muotathal | C-2 team |
 |
1971 Meran | Mixed C-2 |
Representing  Switzerland
| ||
|
1977 Spittal | C-2 team |
Jiří Krejza is a former Czechoslovak-born Swiss slalom canoeist who competed from the early 1970s to the early 1980s. He won four medals at the ICF Canoe Slalom World Championships with a gold (C-2: 1973 for Czechoslovakia), two silvers (C-2 team: 1973 for Czechoslovakia, 1977 for Switzerland) and a bronze (Mixed C-2: 1971 for Czechoslovakia).
References
- ICF medalists for Olympic and World Championships – Part 2: rest of flatwater (now sprint) and remaining canoeing disciplines: 1936–2007 at WebCite (archived November 9, 2009)
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