This is ksv files of challenger mode(After the big update of 2014).
I just chose LV17 and 28-40 Battle level's (the first of three) ksv files,because i think e levels are difficult to pass.ㅋㅋ
Just put them into D:\My Documents\카트라이더\라이더데이터.
And you can replay them in repaly mode in game.(No matter Kartoffline or online client.)
Hope to have fun.ㅋㅋ(Does these Korean characters mean laugh?)