The original website for this game had a registration system and held records of the times people have beaten the track in.

Wayback machine has a snapshot from 2010 which has the leaderboard:

1. yenilmezjexa 03:07.355

2. hackerjexa 03:10.286

3. yenilmzjexa 03:11.288

4. federaljexa 03:12.639

5. prinzzz 03:12.821

6. jexa 03:12.869

7. frivolo 03:13.665

8. axeseytan 03:16.053

9. Selcuk42 03:16.140

10. crazy_KsK 03:17.124

An older snapshot from 2008 has an older version of this leaderboard:

11. Khons 03:17.905

12. ikizler24 03:17.938

13. peopleshit 03:18.653

14. muratozay67 03:19.175

15. asecking 03:19.428

16. GEZMC 03:20.785

17. hakko01 03:20.885

18. abbass 03:20.897

19. yusufceylan 03:21.042

Fun fact: This game was released before the main transit system of Istanbul was built. But it has the transit system within the game and the website promotes itself with this.

I didn't know the speedrun page was already opened but I did manage to record a speedrun in 2020, i will time and post it here.