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Conner Mantz
Conner Blair Mantz (born December 8, 1996) is an American long-distance runner, who specializes in the marathon. Mantz ran collegiately for Brigham Young University, winning the 2020 and 2021 NCAA Division I Cross Country Championships. Mantz holds American records in both the half marathon (set at the 2025 Houston Half Marathon), and the marathon (set at the 2025 Chicago Marathon). He has competed professionally for Nike since 2021.
Mantz completed his first half marathon at age 12, which motivated him to participate in other races. At age 14, he finished a half marathon in 1:11:24, averaging a pace of 5:26.8 minutes per mile. He attended Sky View High School in Smithfield, Utah, where he was a three-time All-American at the Foot Locker Cross Country Championships. Mantz also represented the United States in the junior race at the 2015 IAAF World Cross Country Championships in Guiyang, China. He placed 29th over the 8 km race, leading Team USA to a sixth place finish.
Mantz committed to Brigham Young University (BYU), among offers from several other institutions, including Princeton and Furman. After high school, Mantz took a two-year hiatus from running to serve as a missionary for The Church of Jesus Christ of Latter-day Saints in Ghana. Upon returning in 2017, Mantz redshirted his first year at BYU.
His great grandfather, Paul Mantz, was a noted air racing pilot and flight instructor.[citation needed]
Mantz ran for Brigham Young University (BYU). He won a national title at the 2020 NCAA Division I Cross Country Championships in Stillwater, Oklahoma. He won by over 20 seconds with a final time of 29:26.1. Mantz's victory broke a streak of wins by international athletes and made him the first American to win the event since Galen Rupp in 2008.
The 2021 NCAA Division I Cross Country Championships saw Mantz repeat as the winner. He covered the first 5k of the race in 14:16.4 and the second 5k in 14:16.7 to finish in a course record of 28:33.1. The win concluded an undefeated season of cross country for Mantz.
Performances by Mantz on the track included a world-leading performance of 13:34.46 over 5000 m at the UW Invitational in February 2021. His time also broke the BYU school record for the indoor 5000 m. Later that year, Mantz finished runner up in the 10000 metres at the 2021 NCAA Division I Outdoor Track and Field Championships.
Mantz competed in the 2020 United States Olympic trials in June 2021, which were delayed due to COVID-19 pandemic. He placed fifth in the 5000 m and eighth in the 10000 m.
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Conner Mantz
Conner Blair Mantz (born December 8, 1996) is an American long-distance runner, who specializes in the marathon. Mantz ran collegiately for Brigham Young University, winning the 2020 and 2021 NCAA Division I Cross Country Championships. Mantz holds American records in both the half marathon (set at the 2025 Houston Half Marathon), and the marathon (set at the 2025 Chicago Marathon). He has competed professionally for Nike since 2021.
Mantz completed his first half marathon at age 12, which motivated him to participate in other races. At age 14, he finished a half marathon in 1:11:24, averaging a pace of 5:26.8 minutes per mile. He attended Sky View High School in Smithfield, Utah, where he was a three-time All-American at the Foot Locker Cross Country Championships. Mantz also represented the United States in the junior race at the 2015 IAAF World Cross Country Championships in Guiyang, China. He placed 29th over the 8 km race, leading Team USA to a sixth place finish.
Mantz committed to Brigham Young University (BYU), among offers from several other institutions, including Princeton and Furman. After high school, Mantz took a two-year hiatus from running to serve as a missionary for The Church of Jesus Christ of Latter-day Saints in Ghana. Upon returning in 2017, Mantz redshirted his first year at BYU.
His great grandfather, Paul Mantz, was a noted air racing pilot and flight instructor.[citation needed]
Mantz ran for Brigham Young University (BYU). He won a national title at the 2020 NCAA Division I Cross Country Championships in Stillwater, Oklahoma. He won by over 20 seconds with a final time of 29:26.1. Mantz's victory broke a streak of wins by international athletes and made him the first American to win the event since Galen Rupp in 2008.
The 2021 NCAA Division I Cross Country Championships saw Mantz repeat as the winner. He covered the first 5k of the race in 14:16.4 and the second 5k in 14:16.7 to finish in a course record of 28:33.1. The win concluded an undefeated season of cross country for Mantz.
Performances by Mantz on the track included a world-leading performance of 13:34.46 over 5000 m at the UW Invitational in February 2021. His time also broke the BYU school record for the indoor 5000 m. Later that year, Mantz finished runner up in the 10000 metres at the 2021 NCAA Division I Outdoor Track and Field Championships.
Mantz competed in the 2020 United States Olympic trials in June 2021, which were delayed due to COVID-19 pandemic. He placed fifth in the 5000 m and eighth in the 10000 m.