Sentence:  Rosburg had started early in the day , and by the time Palmer and Player <WSD>were</WSD> on the course - separated , as they were destined to be for the rest of the weekend , by about half an hour - they could see on the numerous scoreboards spotted around the course that Rosburg , who ended with a 73 , was not having a good day . 
Meaning of the word marked with <WSD> tags:  occupy a certain position or area; be somewhere