Here are the rewards for the races. i didn't note down the xp from the 1st 3races but i remember it was around those no.
Cape Ring: $61,400 - 12,000xp - 12,500xp
Laguna Seca: $62,500 -12xxxxp
Monza: $65,300 - 12xxxxp - 13xxxxp
Tokyo R256: $68,000 - 13,500xp
Eifel: $71,200 - 14,300xp
Cape Ring: $61,400 - 12,000xp - 12,500xp
Laguna Seca: $62,500 -12xxxxp
Monza: $65,300 - 12xxxxp - 13xxxxp
Tokyo R256: $68,000 - 13,500xp
Eifel: $71,200 - 14,300xp