2012-13: Heacock took over down the stretch and closed out a phenomenal sophomore year with the Express. She averaged 11.4 points, 3.9 rebounds and two assists per game, and totaled 409 points, 141 rebounds, 73 assists, 48 steals and eight blocks. She scored a career-high 33 points against Lakeland on Jan. 24.
It was during postseason play where Heacock really shined, as she led the Express to a district championship and a seventh place finish at nationals.
In the district tournament, she had 24 points and 10 rebounds in the championship game and was named the tournament MVP. In the national tournament, she averaged just over 14 points per game (58 in four games) en route to all-tournament team honors. She became just the third Express player to achieve that honor.
Following the season, Heacock was named First Team All-OCCAC and was named the team's MVP.
2011-12: Heacock averaged 8.8 points per game her freshman year as she started 16 games and saw action in 31. Other stats included 4.1 rebounds and just over two assists per game. Heacock was second on the team in three point field goals made (34-for-108), as well. She shot 42.1 percent from the field overall. Along with Bailee Adams, Heacock was named the team's co-recipient of the Mark Henry Award.
Prior to Owens: Heacock is a highly-decorated player out of Arlington. As a senior, she was named First Team All-Blanchard Valley Conference, First Team All-District 8, and AP Honorable Mention All-Northwest Ohio. Additionally, she surpassed the 1,000-point threshold and participated in the District 8 and Ohio-Indiana All Star games last year under the tutelage of head coach Seth Newlove. Heacock is second all-time in scoring with 1,022 points at Arlington. She tied the single game scoring record with 38 her senior year, holds the school records for most career steals with 220, free throw percentage in a season (78.4), field goal percentage in a season (67.9), field goal percentage in a game (92.9), three point field goals made in a career (93) and three point field goals made during a season (45). For her three-year varsity career, she averaged 13.8 points, 2.6 assists, 3.6 rebounds and three steals per game. During her sophomore and junior years, Heacock was named Second Team All-BVC, while she was named Second Team All-BVC in softball her junior year. Overall, she participated in volleyball, basketball, softball and track at Arlington. Her greatest personal sports thrills are scoring 1,000 points and going 24-1 her senior year, which included BVC and district championships. Academically, she was a member of the All-Academic team and held positions as National Honor Society Chaplin, Class Secretary, Student Council President, and 4-H President. Along with men's basketball player Jay Marquette, Heacock is also a recipient of the 2011 Owens Academic Excellence Scholarship.
Personal: Mackenzie is the daughter of James and Shelly Heacock.