Repositioning the Play Start Marker
To reposition the Play Start Marker, do one of the following:

With any Edit tool selected, click in the Play Start Marker strip in the Main Timebase ruler.

With any Edit tool selected, drag the Play Start Marker to a new location.

Click Fast Forward or Rewind in the Transport to relocate the Play Start Marker forward or backward by the standard Fast Forward and Rewind increment amount.

Double-click anywhere in the Play Start Marker strip to move the Play Start Marker to that location and start playback.