Fresh legs? Not needed 😤 Natalie Dumas had already run 52.14 in the open 400m earlier in the meet. Then she did this 🔥 She powered to the U20 women’s 400m hurdles title in 56.13 for a spot on #TeamUSATF 🇺🇸 #nataliedumas #usatf #trackandfield #hurdles #400mh #usu20champs