Former byu runner conner mantz became the fastest american marathoner ever at the 2025 bank of america chicago marathon Conner mantz, far left, set the american marathon record on sunday morning in the chicago marathon with an time of 2:04.43 Mantz finished in 2:04:43, breaking a record that had stood for 22 years.
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Utah native conner mantz said in june that he planned to chase the american marathon record at the chicago marathon
By the end of last weekend, that wasn't the only thing he'd broken.
It is his second aow award in 2025. After 23 years on the books, olympic marathoner conner mantz has broken the longstanding american record with a time of 2:04:43 at the chicago marathon on sunday, october 13, 2025. Conner mantz completed the 2025 chicago marathon in a time of 2:04:43, setting a new u.s Explore the details of his pacing, race strategy, and the significance of this historic achievement for american marathon running.
Mantz, the former byu collegiate champion from smithfield, utah, crushed the american record at the 47th annual chicago marathon, finishing fourth. It was a great day for conner mantz at the chicago marathon
