Races in calendar week 19/2006
All motorsport events on the weekend of 12–14 May 2006.
| Circuit | Country | Series |
|---|---|---|
| Barbagallo (Wanneroo) |  Australia |
|
| Barcelona |  Spain |
|
| Houston (Reliant Park) |  USA |
|
| Lausitz |  Germany |
|
| Phoenix | USA |
|
| Sepang |  Malaysia |
|
| Spa-Francorchamps |  Belgium |
|