Convertible rowing apparatus

A rowing apparatus comprising:

• a longitudinal support member having a front end, a rear end, an upper side, a bottom side, a first side interconnecting the upper and bottom sides, and a second side interconnecting the upper and bottom sides;
• a seat operatively affixed to the longitudinal support member and configured for sliding movement along a length of the longitudinal support member;
• a foot rest assembly adjustably affixed to the longitudinal support member;
• a tubular member having first and second ends, the first end operatively affixed to the front end of the longitudinal support member, the second end terminating above the longitudinal support member,
• a first pulley assembly operatively connected to the rear end of the longitudinal support member;
• a second pulley assembly operatively connected by a second pulley frame assembly to the rear end of the longitudinal support member;
• a paddle assembly rotationally positioned on a shaft and operatively associated with the second pulley assembly;
• a pull string having a first end external to the second end of the tubular member and connected to a handle, the pull string extending through the tubular member with the second end operatively connected to the first pulley assembly;
• a paddle string having a first end operatively connected to the second pulley assembly and a second end operatively connected to a biasing means;
• and
• one or more mounting brackets extending from the bottom side of the support member, the one or more mounting brackets configured for attachment to a watercraft for use of the rowing apparatus on a body of water or to one or more support legs for use of the rowing apparatus on a rigid surface.