Day 4 Chat - 2013 USA Track & Field Championships

Kevin Sully of the House of Run Podcast (http://www.houseofrun.com), Jesse Squire aka the Track Superfan (http://tracksuperfan.com), and Jim McDannald of TrackFocus (http://trackfocus.com) join Kevin Liao from Spiked Up, Psyched Up (http://spikeduppsychedup.com) to talk about the final day of the 2013 USA Track and Field Championships in Des Moines, Iowa. Among the topics of discussion were Kimberlyn Duncan's upset over Allyson Felix, the state of American sprint relays, and the odds we see an American record for the men's 800 meters this summer.