Douglas Harper's Etymology Dictionary
Usage examples of "race-course".
Students going to the Library, priests from the Serapeion, idlers from the Museum, patrons of the race-course, countrymen from the Rhacotis--a multitude--stopped to hear me.
Etty, showing distress at the imminent loss of her lead horse, had taken the string down to Southfields on the race-course side, and Alessandro presumably had gone with her, as he was nowhere about, and his chauffeur was waiting as usual in the car.