Ken Larney, the 2009 champion in the Senior Championship Flight (handicap 0-3.9), began the final stanza four strokes back of Ron Quick. Larney, who also won the 2007 Senior National Championship in the Senior Palmer Flight, led after two rounds, but stumbled Thursday with a 10-over 82 at the TPC Valley Course.
The Senior Championship Flight is playing the final round at St. John's Golf & Country Club.
Clifford Conover, the 2009 winner of the Senior Palmer Flight (4.0-7.9), led by four strokes through three rounds. His flight is competing on the World Golf Village Slammer & Squire course Friday.