Olivia Markezich (born 10 August 2000) is an American middle and long-distance runner. She was the 2023 NCAA Steeplechase champion.
Markezich attended the Bear Creek School in Redmond, Washington. She was a 1A state champion in the 1600m as a junior and the 800m as a senior. She qualified for the Footlocker Nationals in her senior year, and placed 3rd in the 2000m steeplechase at the New Balance Nationals Outdoor.
In October 2018, Markezich signed her national letter of intent to run for the Notre Dame Fighting Irish. Initially she was on the team as a walk-on.
Markezich is the 2023 NCAA champion in the steeplechase, and a 10-time NCAA D1 All-American. She finished in the top three at seven NCAA championships. She was a dominant Atlantic Coast Conference performer, with five ACC championships, 14-time All-ACC performer and three-time ACC Women's Track Performer of the Year. She was also named to eight All-ACC academic teams.
On December 3, 2023, she ran the indoor 3000m in 8:40.42, breaking her own school record, and becoming the second fastest runner in NCAA history.
On February 17, 2024, Markezich ran the fastest 1600m split in the DMR in NCAA and USA history, with a 4:22.31. Notre Dame's DMR finishing time was 10:44.62.
In August 2023, Markezich was one of the first NCAA track athletes to sign an NIL deal. She signed with Swiss shoe company On.
In June 2024, Markezich signed a professional contract with Swiss shoe company On. She is based in Boulder, CO with the OAC Global team.
Markezich was in 2nd place with only 150 meters remaining in the 3000m steeplechase at the 2024 United States Olympic trials before a tough fall on the final barrier. She got up and finished 6th, with a personal best of 9:14.87.
Markezich made her Diamond League debut on July 7, 2024, in Paris, just 10 days after the US Olympic trials, where she finished 4th in a personal best of 9:14.67
<small>Information from World Athletics profile.</small>
Championship results
Personal Bests
Markezich's father Ron also ran at Notre Dame, and was the school record holder in the 10,000m as part of the class of 1989. Markezich has three siblings, including a twin sister named Andrea who ran at the University of Washington before transferring to Notre Dame for her final year.