Races in calendar week 14/1999
All motorsport events on the weekend of 9–11 Apr 1999.
| Circuit | Country | Series |
|---|---|---|
| Adelaide |  Australia |
|
| Jerez |  Spain |
|
| Monza |  Italy |
|
| Motegi (oval) |  Japan |
|
| Sao Paulo |  Brazil |
|