After her freshman year she did not lose a home game until her senior season loss in the 1997 NCAA Division II women's basketball tournament.
She set NCAA Division II championship tournament records for single-game and single-tournament run free throws made.
As a 6 ft 0 in (1.83 m) sophomore middle hitter for Stewartville, she was highly regarded by the time the school reached the November 1990 MSHSL state Class A volleyball tournament with an undefeated 26–0–1 record.
[1] The team was defeated in the MSHSL semifinals despite a 5-inch (12.7 cm) height advantage over Win-E-Mac High School.
[5] Morlock's "strong net play" was considered a large factor in the team's comeback and championship victory.
[12][9] Tracy Henderson was selected as the 1993 Minnesota Player of the Year by the Gatorade Circle of Champions following the state championship tournament in March.
[14][15] Henderson was strongly endorsed by black civic leaders on appeal as a co-winner of Miss Basketball, but the committee expressed that it factored sportsmanship into its decision to select Morlock as the sole winner.
[22] By the time senior center Heidi and freshman center Kasey met for the third time that season in the March 11 Regional Semi-finals of the 1994 NCAA Division II women's basketball tournament with NDSU ranked number 5 and Augustana ranked number 8 in the national Division II rankings, Heidi had already set the NCC career rebounding record and was averaging 13.5 points and 10.3 rebounds compared to Kasey's 12.6 points and 7.4 rebounds.
[23][24] Kasey's 17 point and 13 rebound performance to advance to the regional final ended her sister's career with an 82–59 victory in front of her parents, Rod and Sharon Morlock, who were in the Augustana cheering section.
[35] Morlock led NDSU back to the elite eight of the 1995 NCAA Division II women's basketball tournament with a 28-point, 11-rebound performance against South Dakota State to clinch NDSU's 5th consecutive NCAA Division II North Central Region championship on March 11, 1995.
[40] Morlock contributed 15 points to the March 24 championship game 98–85 victory over Portland State, earning Tournament MVP.
The 32–0 record marked the first undefeated season in NCAA Divisions II women's basketball history.
[48] NDSU would host the elite eight rounds of the 1996 NCAA Division II women's basketball tournament at the Bison Sports Arena (now known as Scheels Center) in Fargo, North Dakota.
She was named Most Outstanding Player of the tournament as NDSU won its fourth consecutive Division II national championship, finishing the season with at 30–2 record.
[67][68] Morlock was chosen as the NCAA Woman of the Year for the state of North Dakota based on her academic, athletic and community leadership achievements.
The record book shows Morlock was 20th in the NCAA Division II scoring that same season with 585 points in all 29 games for a 20.2 average.
[73] The team placed third in the regional competition at the 1997 NCAA Division II women's volleyball tournament and finished ranked 11th in the nation.
[76] Morlock was named to the NCAA Division II 25th Anniversary women's basketball team along with her coach Amy Ruley and University of North Dakota rival Crouse.
[77] The name Morlock is mentioned 19 times (18 for Kasey who is on the cover and 1 for Heidi) in the Official 2008 NCAA Women's Basketball Records Book.
Both records were set during the 1995 NCAA Division II tournament when the top seeds only played a maximum of 5 games in the 48 team format.
[74] By the time of the Official 2010 NCAA Women's Basketball Records Book, many sections had been moved online ant her career point total was below the top 25.
[81] Morlock's father purchased the 160-acre (0.65 km2; 0.25 sq mi) farm about 12 miles (19.3 km) south of Rochester, Minnesota as rental property while she was in high school.
[80] Garth made 34 receptions and 3 touchdowns as a wide receiver for North Dakota State Bison football.