| 2003 MotoGP World Championship Round 1 SKYY VODKA Grand Prix of Japan DATE:2003-04-05 WEATHER : Rain COURSE : Wet International Racing Course |
| Free1｜Qualifiyng1｜Free2｜Qualifiyng2｜Combined｜WarmUp｜GRID｜RACE |
| GP125 Free Practice 2 |
| Pos | No | Rider | Nat. | Type | Team | Time | Delay | Gap | Lap |
| 1 | 79 | GABOR TALMACSI | HUN | Aprilia | Exalt-Race | 2'34.200 | 12/12 | ||
| 2 | 27 | CASEY STONER | AUS | Aprilia | SafiloOxydo-LCR | 2'35.571 | 1.371 | 1.371 | 14/14 |
| 3 | 6 | MIRKO GIANSANTI | ITA | Aprilia | MatteoniRacing | 2'35.843 | 1.643 | 0.272 | 11/11 |
| 4 | 36 | MIKA KALLIO | FIN | Honda | AjoMotorsport | 2'36.070 | 1.870 | 0.227 | 12/12 |
| 5 | 17 | STEVE JENKNER | GER | Aprilia | Exalt-Race | 2'36.495 | 2.295 | 0.425 | 11/11 |
| 6 | 8 | MASAO AZUMA | JPN | Honda | AjoMotorsport | 2'36.643 | 2.443 | 0.148 | 11/11 |
| 7 | 19 | ALVARO BAUTISTA | SPA | Aprilia | SeedorfRacing | 2'36.739 | 2.539 | 0.096 | 12/12 |
| 8 | 66 | SHUHEI AOYAMA | JPN | Honda | TeamHARC-PRO | 2'37.101 | 2.901 | 0.362 | 12/12 |
| 9 | 48 | JORGE LORENZO | SPA | Derbi | CajaMadridDerbiRacing | 2'37.309 | 3.109 | 0.208 | 12/12 |
| 10 | 4 | LUCIO CECCHINELLO | ITA | Aprilia | SafiloOxydo-LCR | 2'37.430 | 3.230 | 0.121 | 13/13 |
| 11 | 22 | PABLO NIETO | SPA | Aprilia | Master-Mxonda-AsparTeam | 2'37.671 | 3.471 | 0.241 | 12/13 |
| 12 | 12 | THOMAS LUTHI | SUI | Honda | ElitGrandPrix | 2'37.922 | 3.722 | 0.251 | 16/16 |
| 13 | 23 | GINO BORSOI | ITA | Aprilia | RacingWorld | 2'37.979 | 3.779 | 0.057 | 13/13 |
| 14 | 31 | JULIAN SIMON | SPA | Malaguti | SemprucciAngaiaMalaguti | 2'38.112 | 3.912 | 0.133 | 11/11 |
| 15 | 1 | ARNAUD VINCENT | FRA | Ktm | KTM-RedBull | 2'39.138 | 4.938 | 1.026 | 11/11 |
| 16 | 15 | ALEX DE ANGELIS | RSM | Aprilia | RacingWorld | 2'39.254 | 5.054 | 0.116 | 8/11 |
| 17 | 24 | SIMONE CORSI | ITA | Honda | TeamScot | 2'39.357 | 5.157 | 0.103 | 10/10 |
| 18 | 80 | HECTOR BARBERA | SPA | Aprilia | Master-Mxonda-AsparTeam | 2'39.786 | 5.586 | 0.429 | 12/13 |
| 19 | 32 | FABRIZIO LAI | ITA | Malaguti | SemprucciAngaiaMalaguti | 2'40.420 | 6.220 | 0.634 | 9/9 |
| 20 | 34 | ANDREA DOVIZIOSO | ITA | Honda | TeamScot | 2'40.429 | 6.229 | 0.009 | 8/10 |
| 21 | 63 | MIKE DI MEGLIO | FRA | Aprilia | FreesoulRacingTeam | 2'40.688 | 6.488 | 0.259 | 11/12 |
| 22 | 26 | EMILIO ALZAMORA | SPA | Derbi | CajaMadridDerbiRacing | 2'40.765 | 6.565 | 0.077 | 12/12 |
| 23 | 41 | YOUICHI UI | JPN | Aprilia | SterilgardaRacing | 2'41.002 | 6.802 | 0.237 | 10/10 |
| 24 | 33 | STEFANO BIANCO | ITA | Gilera | GileraRacing | 2'41.914 | 7.714 | 0.912 | 7/7 |
| 25 | 67 | AKIO TANAKA | JPN | Honda | TeamLifeHatada | 2'42.304 | 8.104 | 0.390 | 10/10 |
| 26 | 3 | DANIEL PEDROSA | SPA | Honda | TelefonicaMovistarJuniorTeam | 2'42.506 | 8.306 | 0.202 | 10/10 |
| 27 | 7 | STEFANO PERUGINI | ITA | Aprilia | Abruzzo | 2'43.106 | 8.906 | 0.600 | 9/9 |
| 28 | 14 | CHRIS MARTIN | GBR | Aprilia | SeedorfRacing | 2'43.374 | 9.174 | 0.268 | 11/11 |
| 29 | 25 | IMRE TOTH | HUN | Honda | TeamHungary | 2'43.599 | 9.399 | 0.225 | 12/12 |
| 30 | 65 | TOSHIHISA KUZUHARA | JPN | Honda | HondaKumamotoRacing | 2'44.416 | 10.216 | 0.817 | 11/11 |
| 31 | 21 | LEON CAMIER | GBR | Honda | MetasystemRacingService | 2'44.751 | 10.551 | 0.335 | 5/5 |
| 32 | 11 | MAX SABBATANI | ITA | Aprilia | Abruzzo | 2'44.805 | 10.605 | 0.054 | 9/9 |
| 33 | 10 | ROBERTO LOCATELLI | ITA | Ktm | KTM-RedBull | 2'44.831 | 10.631 | 0.026 | 12/12 |
| 34 | 58 | MARCO SIMONCELLI | ITA | Aprilia | MatteoniRacing | 2'45.453 | 11.253 | 0.622 | 9/9 |
| 35 | 42 | GIOELE PELLINO | ITA | Aprilia | SterilgardaRacing | 2'47.104 | 12.904 | 1.651 | 5/6 |
| 36 | 68 | SADAHITO SUMA | JPN | Honda | TeamLife | 2'48.607 | 14.407 | 1.503 | 9/9 |
| 37 | 64 | CHEUNG WAI ON | CHI | Honda | CheungWingTeam | 2'50.952 | 16.752 | 2.345 | 5/8 |
| 38 | 78 | PETER LENART | HUN | Honda | MetasystemRacingService | 9'53.796 | 7'19.596 | 7'02.844 | 1/1 |
