 If you liked JoJo no Kimyou na Bouken Part 7: Steel Ball Run |  ...then you might like Appare-Ranman! |
1) The two manga feature a race, one on horseback and the other by car 2) They present struggles while the race takes place 3) There is a bit of mystery among race runners and developers 4) Both have a cash reward 5) Characters develop their relationships as the race ends