parx
race 1---2
race 2--all 7
race 3-all 7

49 bucks

if you want to be cheaper you can go park
race 1--2
race 2--1-5
race 3--1-6,2
6 bucks

calder
race 1--3-6
race 2--3,6
race 3--1,2,3,4,5
20 bucks