rybohunter, these are not those type of horses. They get "run" every morning, early, like when deer like to be out, and the deer will walk right out into the area that the trainer uses for a track. The real problem is in the morning as they do not train/run the horses past 12 noon on any given day.
These horese can reach speeds of up to 40 m.p.h. and coming around a corner at 40 m.p.h. and having one of these horses collide with a deer can be tragic for the deer the horse and the jockey.

This farm does not have those type of "pastures". These horses are not "allowed" to eat the grass. They have to eat hay "imported" from another state, because Maryland grass/hay isn't good enough protein wise for the animals...but the deer love it!