Yale's Kate Grace 11 is set to represent Team USA in the 800-meter run at the Rio Olympics next week. The preliminary round of the event kicks off Wednesday at 9:55 a.m. with six heats, from which the top 24 will advance to the semifinal round -- three from each heat and the next six fastest times. The randomly selected heats have not been announced yet; however, this article will be updated as more information becomes available regarding Grace s race.