Web Extra: Day 4 of IAAF World Juniors

Oregon signee Ariana Washington and Team USA 4×100 relay team: Oregon/Team Canada sprinter Christian Brennan: Team USA distance runner Alexa Efraimson: Team USA sprinter Kaylin Whitney: Team USA sprinter Trentavis Friday:

Web Extra: Taylor, Merritt, Richardson

Olympic medalist hurdlers Aries Merritt and Jason Richardson: Olympic gold medalist triple jumper Christian Taylor: TrackTown USA President Vin Lananna:

Web Extra: Day 3 of IAAF World Juniors

3K Gold Medalist Mary Cain: Oregon pole vaulter Cole Walsh: Oregon/Team Canada runner Christian Brennan: Team USA pole vaulter Desiree Freier: