2005 Spanish motorcycle Grand Prix
The 2005 Spanish motorcycle Grand Prix was the first round of the 2005 MotoGP Championship. It took place on the weekend of 8–10 April 2005 at Jerez.250 cc classification
125 cc classification
Below are the standings for the top five riders and constructors after round one has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Yamaha | 25 |
| 2 | Honda | 20 |
| 3 | Kawasaki | 11 |
| 4 |  Ducati | 6 |
| 5 | Suzuki | 2 |
- Note: Only the top five positions are included for both sets of standings.
Sete Gibernau
Alex Barros