Young Hull got into the tournament via a sponsor exemption.
"I try not to think about it too much," Hull said, "because I've got the wind at my back now. I just keep on playing and hopefully I can get more wins and get my card for next year."
The Airbus LPGA Classic is being played on the RTJ Golf Trail, Magnolia Grove, The Crossings in Mobile, Alabama. The par-72 layout measures 6,521 yards.
The final two rounds will be televised on Golf Channel from 3 p.m. to 6 p.m. on Saturday and Sunday.