LEGEND IN THE MAKING 🌟 17-year-old cooper.lutkenhaus DOMINATES the #USATFoutdoor final, blowing away a field of professionals to claim his second national title this year in 1:43.48. Amazingly, Lutkenhaus negative-split a 52.26-51.23, producing an incredible 1.07 second margin of victory over a hard-closing Wes Ferguson in second. 📸 audreyallen17