Some photo highlights from a busy day 1 at the @usatf Indoor Championships (c) 2016, Paul Merca #usatfindoors #nikond750 #nikonsports #justdoit #jumpman23 @lagat1500 @weareeaton @j_prandini @a_geubelle @evanjager @bowermantc @oregontcelite @tracktownusa @nikerunning @pumarunning #sprints #distance #triplejump #dreisprung