CAREER BESTS
| Event | Time | Date | Site/Opponent |
| 50 Free | 23.22 | 2/20/14 | Big Ten Championships |
| 100 Free | 50.98 | 2/22/14 | Big Ten Championships |
| 200 Free | 1:52.58 | 12/6/13 | Texas Invitational |
| 100 Fly | 54.69 | 3/1/15 | Princeton NCAA Qualifier |
| 200 Fly | 2:08.45 | 12/7/13 | Texas Invitational |
2015-16 (Junior Year)
Competed in nine different meets including Big Ten Championships … Swam a season best of 55.89 in the 100 fly at the Big Ten Championships … Also competed in the 50 and 100 freestyles at the Big Ten meet … Swam season-bests in the 50 (23.92) and 100 (51.80) frees at the Georgia Invitational (12/4,6) … Key part of winning 400 freestyle relay team (3:26.52) in season opening tri-meet against Georgia Tech and Liberty (10/2).
2014-15 (Sophomore Year)
Participated in seven meets, seeing action in the 50 and 100 freestyles and 100 butterfly at the Big Ten Championships ... Swam season bests of 23.38 in the 50 free and 51.31 in the 100 free at the Georgia Fall Invite (12/5-7) ... Posted season-best 100 fly time of 56.69 at the Princeton NCAA Qualifier (3/1) ... Won the 100 fly at the Rutgers dual (1/16-17) in 56.69.
2013-14 (Freshman Year)
Participated in six meets as well as the Big Ten Championships and NCAA Last Chance meet ... Finished first in the 100-yard freestyle with a time of 51.83 at the NCAA Last Chance meet (3/2) ... Recorded career-best marks in the 100-yard freestyle (50.98) on Feb. 22, the 100-yard butterfly (55.16) on Feb. 21 and the 50-yard free (23.22) on Feb. 20 at the Big Ten Championships.
High School
Swam for Unionville High School and head coach Maribeth Lyles ... Earned first team All-State honors as a sophomore, junior and senior ... Collected first team All-District accolades during her sophomore, junior and senior seasons ... Owns the school record in the 100 freestyle, 100 butterfly and 200 medley relay ... Was a High School All-American in the 200 medley relay as a sophomore ... Swam for Golden Ram Aquatics ... Was a NCSA Junior National Qualifier ... Earned U.S. Swimming Scholastics All-America accolades three times.
Personal
Full name is Mackenzie Lynn Hornibrook ... Born in Bryn Mawr, Pennsylvania on June 8, 1995 ... Parents are Jeff and Dawn Hornibrook ... Has two brothers, Alex and Jake ... Brother, Alex, plas football for Wisconsin ... Has worked with PA Special Olympics swim meet ... SAAB volunteer ... Member of the Schreyer Honors College, the Beta Gamma Sigma Business Honors Society, Penn State Christian Athletea and the Athletic Director's Leadership Institute ... Interned at Dell over Summer 2016 ... Plans on pursuing a career within supply chain in the consulting or technology industries.