He doesn't need space. The Reverse-Flash can vibrate through most containment fields, and needing to see where he's going isn't required. He also heals significantly quicker than average humans.

( but they're all good starting points, especially for one who just became aware of the existence of speedsters. )

S.T.A.R labs is not quite what I am accustomed to, but it may have resources we could use. The Flash would be a good starting point. Superman may be capable of keeping up with him. But it would be best to ensure we are prepared for the potential we may have to fight him without outside assistance.