Freshman Brittany Fan placed seventh overall and third in her division, tallying seven birdies in the final round.
Keating will join the Colorado women's golf team beginning in the 2015-16 season.
Colorado finished 10th in a competitive field that included five teams ranked 13 or higher in the latest Golfstat Poll.
Colorado, ranked No. 27 is 30-over par after two rounds in Kona, Hawaii.
Colorado women's golf is ranked No. 27 in the nation according to the latest Golfstat poll.
Allie Zech posted the best score for the Buffaloes and tied for 39th place overall.
The Buffs climbed three places on Wednesday to take fifth place at the Edean Ihlanfeldt invite.
Sophomore Natalie Vivaldi posted her best individual round of the season to lead the Buffaloes with an even-par 72.
All three Buffs improved their third round scores on Wednesday, the final day of the Golfweek Conference Challenge.
The University of Colorado sophomore Esther Lee (women's golf) and senior Greg Henderson (football) earned CU Athlete of the Week honors Wednesday for their play during the week of September 15-21.
The CU women's golf team faced windy conditions and tough pin placements on Tuesday.
CU women's golfer Tori Glenn drained a hole-in-one on her first shot of the day.