Cooper Lutkenhaus
Updated: Wikipedia source
Cooper Lutkenhaus (born December 19, 2008) is an American professional track and field athlete who specializes in the 800 meters. He holds the world under-18 and high school record in this event, with a time of 1:42.27 set in 2025. In 2025, he also set the indoor high school record in the event with a time of 1:46.86. In 2025, he became the youngest American to ever compete at the World Championships, having finished second in the 800 meter final at the 2025 USA Outdoor Track and Field Championships.