Yesterday, Allyson Felix posted this race , with her commentary, on her Instagram. Her first individual 400m World Championship win. Beijing, China 2015. Check it out! @allysonfelix ✌️🐐 . . . . #allysonfelix #usatf #goat #400m #legend #trackhistory #trackandfield #jeffcohenphoto #athletics #worldchampion @allysonfelix @usatf @worldathletics