SOPOT, Poland — Team USA crushed a 15-year-old men’s 4×400 Indoor World Record on the final day of the 2014 World Indoor Championships and the women’s 4×400 set an American record to round out the competition at Argo Arena. Team USA picked up four other medals for a total of 12 to close out the meet at the top of the medal table. Russia was second with five total (3 gold) followed by Ethiopia’s five (2 gold).