PRINCETON, N.J. � Sophomore Thor Serafenas broke his own school record in the hammer throw and the women's 4x400 relay team of sophomore Paulette Fogle, junior Deborah Adelola, sophomore Kalane' Abbey and junior Kirsten Jones snapped their mark as the Retriever track and field teams competed on day two of the ECAC and IC4A Championships, Saturday at Weaver Stadium. Jones also set a new school-best while competing in the 400m dash event.