Marco Andretti continued to show good pace on the fourth day of practice at the Indianapolis Motor Speedway by setting the fastest time in his Andretti Autosport Chevrolet-powered DW12.

Marco Andretti, Andretti Autosport. (Photo: IMS)

Andretti's fastest lap reached the average speed of 223.676 mph, finishing ahead of two-time Indy 500 winner Helio Castroneves of the Penske team (222.025 mph) and Andretti Autosport' Canadian James Hinchcliffe (221.864 mph).

Dario Franchitti, Chip Ganassi Racing. (Photo: IMS)

Alex Tagliani gave some hope to the Bryan Herta Autosport team after he was able to climb up the time sheet to finish 11th after struggling in the first three days of practice; the team still having to learn the ropes with its new Honda engine.

Alex Tagliani, Bryan Herta Autosport. (Photo: IMS)

Meanwhile, Fan Force United's Jean Alesi did not run at all after the team opted to do some work on his Lotus engine.

Helio Castroneves, Penske. (Photo: IMS)

Indy 500 Practice Day 4

Pos Driver Team Time
1. Marco Andretti Andretti Autosport 40.2367s

2. Helio Castroneves Team Penske 40.5359s + 0.2992

3. James Hinchcliffe Andretti Autosport 40.5653s + 0.3286

4. Graham Rahal Chip Ganassi Racing 40.5671s + 0.3304

5. Ryan Hunter-Reay Andretti Autosport 40.5746s + 0.3379

6. Charlie Kimball Chip Ganassi Racing 40.5997s + 0.3630

7. Will Power Team Penske 40.6929s + 0.4562

8. Dario Franchitti Target Chip Ganassi Racing 40.7136s + 0.4769

9. Takuma Sato Rahal Letterman Lanigan Racing 40.7530s + 0.5163

10. Scott Dixon Target Chip Ganassi Racing 40.7608s + 0.5241
11. Alex Tagliani Bryan Herta Autosport 40.7788s + 0.5421

12. Josef Newgarden Sarah Fisher Hartman Racing 40.7886s + 0.5519

13. JR Hildebrand Panther Racing 40.8723s + 0.6356
14. Ryan Briscoe Team Penske 40.8916s + 0.6549
15. Oriol Servia Panther Dreyer & Reinbold Racing 40.9188s + 0.6821
16. Bryan Clauson Sarah Fisher Hartman Racing 40.9311s + 0.6944
17. Simon Pagenaud Schmidt/Hamilton Motorsports 40.9579s + 0.7212
18. Townsend Bell Sam Schmidt Motorsports 40.9748s + 0.7381

19. Tony Kanaan KV Racing Technology 40.9800s + 0.7433

20. Justin Wilson Dale Coyne Racing 41.0455s + 0.8088
21. Sebastian Saavedra AFS Racing/Andretti Autosport 41.1006s + 0.8639
22. Ed Carpenter Ed Carpenter Racing 41.1496s + 0.9129

23. Mike Conway A.J. Foyt Enterprises 41.1620s + 0.9253
24. Wade Cunningham A.J. Foyt Enterprises 41.1746s + 0.9379

25. James Jakes Dale Coyne Racing 41.2220s + 0.9853

26. E.J. Viso KV Racing Technology 41.2777s + 1.0410
27. Michel Jourdain Jr. Rahal Letterman Lanigan Racing 41.2833s + 1.0466
28. Ana Beatriz Andretti Autosport 41.2948s + 1.0581
29. Rubens Barrichello KV Racing Technology 41.3916s + 1.1549
30. Simona de Silvestro HVM Racing 42.7930s + 2.5563