Code:
Track Races Win% ROI
MR 1975 67% 0.910
HAR 898 65% 1.015
BR 954 65% 0.891
PHL 2137 65% 0.922
NP 193 64% 0.965
NFLD 3420 64% 0.827
PPK 1045 63% 0.964
STGA 2126 63% 0.876
LEX 389 62% 0.782
DD 968 62% 0.967
FHLD 921 62% 0.833
BTVA 746 61% 0.895
CALX 541 61% 0.925
BigM 742 61% 0.840
PCD 1903 61% 0.872
All 39915 61% 0.883
YR 2675 61% 0.877
LON 1059 61% 0.819
VD 785 61% 0.870
TGDN 767 60% 0.885
MEA 2295 60% 0.903
RIDC 720 60% 0.835
FRD 417 59% 0.984
HAW 1159 58% 0.826
FLMD 923 58% 0.773
PRC 1264 58% 0.839
GRVR 490 58% 0.911
HOP 2218 57% 0.839
GEOD 333 57% 0.772
SCD 1359 57% 0.939
DTN 615 56% 0.992
MVR 1185 55% 0.922
MOH 1365 55% 0.919
RCR 603 55% 0.962
WDB 725 54% 0.853
A bit misleading on Win%, tracks with larger field sizes naturally have lower Win%
Data is a sampling from 2017-18, but not all races, Maidens and coupled fields excluded.