2003 South African motorcycle Grand Prix
The 2003 South African motorcycle Grand Prix was the second round of the 2003 MotoGP Championship. It took place on the weekend of 25–27 April 2003 at the Phakisa Freeway.250 cc classification
125 cc classification
Below are the standings for the top five riders and constructors after round two has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Honda | 50 |
| 2 |  Ducati | 29 |
| 3 | Yamaha | 19 |
| 4 | Aprilia | 10 |
| 5 | Suzuki | 6 |
- Note: Only the top five positions are included for both sets of standings.
Sete Gibernau
Troy Bayliss
Alex Barros