Here's the $2 Oaks/Derby odds from Brisbet with Rags to Riches to give you some idea
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
667 33 271 570 680 136 23 79 471 541 577 62 376 65 129 50 379 88 224 168