The 20-year-old Kim had an 18-under 131 total in the six-round event. The final top 25 and ties will receive 2013 PGA Tour cards and the next 50 and ties will earn Web.com Tour cards.
Sweden's Robert Karlsson was second after a 65. The 11-time European Tour winner also played the Nicklaus course. Edward Loar was 16 under after a 66 on the Nicklaus course, and two-time PGA Tour winner Vaughn Taylor had a 69 on the Nicklaus course to top the group at 15 under.
Camilo Villegas, a three-time winner on the tour, had a 66 on the Nicklaus course to jump from a tie for 23rd to a tie for ninth at 13 under. Ross Fisher also was 13 under after a 65 on the Nicklaus course.
Ottawa's Brad Fritsch, who already has his PGA Tour card for next season but is looking to improve his standing, shot 66 on the Nicklaus course and sits tied for 17th, seven shots off the pace.
Two-time heart transplant recipient Erik Compton was also tied for 17th at 11 under after a 68 on the Nicklaus course.
Matt Hill of Bright's Grove, Ont., shot a 73 on the Nicklaus course and is tied for 84th at 4 under.
Meanwhile on the TPC Stadium Course, Adam Hadwin (68) of Abbotsford, B.C., is tied for 98th, Mitch Evanecz (73) of Red Deer, Alta., is tied for 132nd, Calgary's Ryan Yip (74) is tied for 137th and Roger Sloan (75) of Merritt, B.C., is tied for 142nd.