A happy birthday to @justyna.swiety.ersetic who has been one of the mainstays in the 400m and the 4 x 400 relay for @pzla1919 Have a great day, Justyna! © 2019, Paul Merca. All worldwide rights reserved. #nikond750 #nikonsportsphotography #nikonsportsphotographer #paulmerca #pzla100 #pzla1919 @nikerunning @nike #justdoit #400meters #4x400relay