Rise to Success: Career Highlights of Conner Mantz

By Popular Timelines Editorial Team · Updated: October 13, 2025

From career breakthroughs to professional milestones, explore how Conner Mantz made an impact.

Conner Mantz is an accomplished American long-distance runner, renowned for his achievements in marathon and half-marathon events. He achieved significant success during his collegiate career at Brigham Young University, notably winning the NCAA Division I Cross Country Championships in both 2020 and 2021. Mantz currently holds American records in both the half marathon and the marathon. Since 2021, he has been a professional athlete sponsored by Nike, marking his transition to the professional running circuit.

Sections (3)

Full Timeline Career & Achievements Success & Recognition

2015: IAAF World Cross Country Championships

In 2015, Conner Mantz represented the United States in the junior race at the IAAF World Cross Country Championships in Guiyang, China, placing 29th and leading Team USA to a sixth-place finish.

2020: Participates in the delayed 2020 United States Olympic trials

Conner Mantz participated in the 2020 United States Olympic trials in June 2021, which had been delayed due to the COVID-19 pandemic.

2020: National Title at NCAA Division I Cross Country Championships

In 2020, Conner Mantz won a national title at the NCAA Division I Cross Country Championships in Stillwater, Oklahoma, finishing with a time of 29:26.1. This victory made him the first American to win the event since Galen Rupp in 2008.

2020: NCAA Division I Cross Country Champion

In 2020, Conner Mantz won the NCAA Division I Cross Country Championships while running for Brigham Young University.

February 2021: World-Leading Performance at UW Invitational

In February 2021, Conner Mantz achieved a world-leading performance of 13:34.46 over 5000 m at the UW Invitational. This time also broke the BYU school record for the indoor 5000 m.

June 2021: United States Olympic trials

In June 2021, Conner Mantz competed in the 2020 United States Olympic trials, which were delayed due to the COVID-19 pandemic. He placed fifth in the 5000 m and eighth in the 10000 m.

December 2021: Wins USA Half Marathon Championships

In December 2021, Conner Mantz won the USA Half Marathon Championships in Hardeeville, South Carolina with a time of 1:00:55.

2021: Repeats as NCAA Division I Cross Country Champion

In 2021, Conner Mantz repeated as the winner at the NCAA Division I Cross Country Championships, finishing in a course record of 28:33.1. The win concluded an undefeated season of cross country for Mantz.

September 2022: National Title at USATF 20 Km Road Championships

In September 2022, Conner Mantz won a national title at the USATF 20 Km Road Championships.

2023: Boston and Chicago Marathons

In 2023, Conner Mantz ran the Boston and Chicago Marathons, finishing as the third American (11th overall) in Boston and sixth place finisher and top American in Chicago, achieving a personal best and qualifying for the 2024 Paris Olympics.

2024: Qualifies for the Paris Olympics

In 2023, Conner Mantz's performance at the Chicago Marathon met the qualifying standard for the 2024 Paris Olympics.

2024: Eighth Place Finish at Paris Olympics and New York City Marathon

In 2024, Conner Mantz placed eighth in the marathon at the Paris Olympics despite a quad injury. He also placed sixth at the 2024 New York City Marathon. His time of 2:09:00 was the fastest for an American man since Alberto Salazar in 1981.

2024: U.S. Olympic Marathon Trials and Paris Olympics

In 2024, Conner Mantz won the U.S. Olympic Marathon Trials, qualifying for the 2024 Paris Olympics, where he placed 8th.

2025: American Records in Half Marathon and Marathon

In 2025, Conner Mantz set American records in both the half marathon at the Houston Half Marathon, and the marathon at the Chicago Marathon.

2025: American Record in Half-Marathon and 4th place in Boston Marathon

In 2025, Conner Mantz set the American record in the half-marathon in January, running 59:17, breaking Ryan Hall's 2007 record. At the 2025 Boston Marathon he finished 4th with a personal best of 2:05:08.