Conner Mantz Breaks 23-Year-Old American Record at 2025 Chicago Marathon

/Mantz ran 4:45 mile pace to break Khalid Khannouchi’s 2002 record by 55 seconds.

News
bvd's Avatar
@bvd
October 12, 2025

Conner Mantz Obliterates the 23-Year-Old American Record at the Chicago MarathonMantz ran 4:45 mile pace to break Khalid Khannouchi’s 2002 record by 55 seconds. https://www.runnersworld.com/news/a69001851/conner-mantz-american-record-chicago-marathon-2025/

Saucony's latest iteration of it's top reviewed carbon plated racing shoe. Saucony Endorphin Pro 4.When you buy through our links, we may earn a commission.

Comments

Please Sign In to leave a comment.
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR