The 18-year-old Birchbank Golf Club member attends Lindenwood University in St. Charles, Missouri, and competed in the Arch Cup, a match-play tournament that pits player against player and team against team.
Lindenwood University finished second in the five man, four-team tournament, but actually had the lowest team total of 592, two shots better than the host.
Lindenwood won its first round against Maryville, 6-4, before falling to UMSL 5-2.
Individually McKay tied for sixth in the 36-hole event, carding a 74 and 75 for a 149 total.
Fellow Lindenwood golfer Jake Smock led all golfers shooting a 71 and 3-under par 68 for a total of 139.