The Mavericks finished eighth in a loaded 12-team field that featured eight teams ranked in the top 50.
The Mavericks shot 743 as a team to sit seventh after the first two rounds.
UTA's team is Jake Argento, Cash Wilkerson, Josh Gosling, Jake Greenspoon, Aaron Guanlao and Zach Galliford.
The Mavericks shot a 15-over-par 303 at the Miramont Country Club to finish 26 over for the two days.
The invitational, originally scheduled for 54 holes, was cut to 36 due to weather.