The following is the exact location of the starting gate. I was lucky in that I attended every single race at this place. If you Google Earth the below lat/long, you can actually still make out parts of the track, and the starting line location.
4525 Mill Run Rd
Mansfield, OH 44904
40.636426, -82.572177
4525 Mill Run Rd
Mansfield, OH 44904
40.636426, -82.572177