Gunter began her coaching career at Middle Tennessee State University where she led the Blue Raiders to undefeated seasons in both of her years there. Gunter then had a very successful coaching stint at Stephen F. Austin State University in Nacogdoches, Texas. While at SFA, Gunter led the LadyJacks to a 266-87 mark in 16 years as head coach. In addition, she led SFA to four top 10 national rankings, including top 5 final rankings in 1979 and 1980. While at SFA, Gunter coached four sports—women's basketball, softball, tennis and track. Her basketball teams went to five Association of Intercollegiate Athletics for Women playoffs, won four state titles, and earned a regional crown. In 1980, she stepped down as coach at SFA and moved into the position of Director of Women's Athletics where she served two years before returning to the coaching ranks at LSU. In Gunter's 22 years as the head coach at LSU, the Lady Tigers played in 14 NCAA Tournaments and two WNITs. Gunter led LSU to one Final Four in 2004 and to the Elite Eight in 1986, 2000 and 2003. She led the Lady Tigers to a championship at the WNIT in 1985 and to SEC Tournament Championships in 1991 and 2003. In addition, Gunter directed LSU to 14 seasons of 20 or more wins, including one 30-win season. Gunter took a medical leave of absence in the middle of the 2003-2004 season. She was later diagnosed as having emphysema and pneumonia. Assistant head coachPokey Chatman, who had played for Gunter from 1987 to 1991 and had been an assistant since 1991, became interim coach for the rest of the season. The Tigers went 15-5 under Chatman's watch and reached the Final Four for the first time in school history. However, LSU credits the entire season to Gunter. When it was apparent that Gunter would not be able to return, she formally announced her retirement on April 27 and Chatman was named her successor. Gunter completed her career as the third winningest women's basketball coach in NCAA history with an overall record of 708-308. Gunter's LSU record was 442-221, making her the winningest coach in school history. She completed her career among the leaders in several NCAA coaching categories: seasons coached ; games coached ; wins ; and 20-win seasons.
Head coaching record
* Gunter went on medical leave in the middle of the 2003-04 season. Assistant Pokey Chatman coached the final 20 games of the season, but LSU credits the entire season to Gunter.
In 1980, the United States Olympic Team selected Gunter as the head women's basketball coach. Gunter guided her team to the title at the Olympic Qualifying Tournament prior to the Games, however, they did not compete for a gold medal due to the United States' boycott of the Olympic Games in Moscow. Gunter shared success at the Olympics, however, as an assistant coach of the 1976 U. S. Team which captured the silver medal in Montreal. She has also served as head coach for the U.S. National Team three times in 1976, 1978 and 1980.