Thought I'd post some interesting data from RaceCensus.

Last start winners on country tracks that started favourite...
33.39% Win
-12.40% Loss

Last start winners on provincial tracks that started favourite...
33.04% Win
-13.50% Loss

Last start winners on metropolitan tracks that started favourite...
35.15% Win
-10.59% Loss

First starters on country tracks that started favourite...
37.36% Win
-13.96% Loss

First starters on provincial tracks that started favourite...
36.55% Win
-15.86% Loss

First starters on metropolitan tracks that started favourite...
34.92% Win
-19.00% Loss

Makes for some interesting thought.
Took less than 5 minutes for the entire database to process and calculate over 15+ years of data

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