Rocco's race

Rocco ran in a 200 m race for his class. Use the information to find out how many runners there were in the race and what Rocco's finishing position was.

Problem



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Rocco's Race
Rocco ran in a 200 m race for his class.


If one more person had finished before him there would have been as many people in front of him as behind him.
But, if there had been one more person finishing after him it would have meant there were three times as many behind as in front of him.

How many runners were there in the race and what was Rocco's finishing position?