Indy Japan 300 2005 var ett race som var den fjärde deltävlingen i IndyCar Series 2005. Racet kördes den 30 april på Twin Ring Motegi i Japan. Dan Wheldon tog sin tredje seger på fyra starter, och ryckte i tabellen.
| Plats
|
Förare
|
Team
|
Grid
|
Kvaltid
|
| 1
|
 Dan Wheldon
|
Andretti Green Racing
|
5
|
26,793
|
| 2
|
 Scott Sharp
|
Fernández Racing
|
3
|
26,763
|
| 3
|
Buddy Rice
|
Rahal Letterman Racing
|
11
|
26,989
|
| 4
|
Danica Patrick
|
Andretti Green Racing
|
2
|
26,757
|
| 5
|
Bryan Herta
|
Andretti Green Racing
|
15
|
27,338
|
| 6
|
 Tony Kanaan
|
Andretti Green Racing
|
10
|
26,911
|
| 7
|
Sam Hornish Jr.
|
Marlboro Team Penske
|
1
|
26,726
|
| 8
|
Darren Manning
|
Chip Ganassi Racing
|
12
|
27,023
|
| 9
|
 Kosuke Matsuura
|
Fernández Racing
|
9
|
26,882
|
| 10
|
 Tomas Scheckter
|
Panther Racing
|
6
|
26,795
|
| 11
|
Hélio Castroneves
|
Marlboro Team Penske
|
4
|
26,764
|
| 12
|
 Ryan Briscoe
|
Chip Ganassi Racing
|
13
|
27,050
|
| 13
|
 Patrick Carpentier
|
Cheever Racing
|
14
|
27,255
|
| 14
|
A.J. Foyt IV
|
A.J. Foyt Enterprises
|
19
|
27,540
|
| 15
|
Vitor Meira
|
Rahal Letterman Racing
|
7
|
26,802
|
| 16
|
Ed Carpenter
|
Vision Racing
|
20
|
27,636
|
| 17
|
Dario Franchitti
|
Andretti Green Racing
|
8
|
26,824
|
| 18
|
Roger Yasukawa
|
Dreyer & Reinbold Racing
|
21
|
27,681
|
| 19
|
Alex Barron
|
Cheever Racing
|
16
|
27,339
|
| 20
|
Paul Dana
|
Hemelgarn Racing
|
22
|
27,963
|
| 21
|
 Scott Dixon
|
Chip Ganassi Racing
|
17
|
27,347
|
| 22
|
Jeff Bucknum
|
Dreyer & Reinbold Racing
|
18
|
27,351
|
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