The nation's top two ranked 800m runners race for the first time in Seattle: defending champion Christina Aragon and World Youth champion Sammy Watson. Aragon is already an Olympic Trials qualifier in the 1500m with her 4:09.27 best; Watson has run 2:03.06 for 800m -- so close to the 2:03.0 standard! Watch what happens when they race for the first time.
MileSplit LIVE: TDF's Elite 5K Girls Race Mar 21, 2018
MileSplit LIVE: The MileSplit50 Winners Mar 21, 2018
MileSplit LIVE: Biggest Surprises In MS50 Mar 21, 2018
Milesplit LIVE Replay: MileSplit50 Winners Mar 20, 2018