Three men's javelin throwers set the tone with qualifying marks while Alaka and Williams lead the sprinters.
Texas will provide live streaming coverage of all three days of the Prelims.
Athletes must qualify through the two regional sites to make the final NCAA stop at Eugene.
Watch the tape delayed broadcast this Wednesday at 6 p.m. on the Pac-12 Networks.
Washington and Washington State split the dual for the third straight year.
High School and Personal: Born in Fort Lewis, Washington ... parents are Catherine and Johnny Jones ... has one older sister, Nichole, an older brother, Johnny, and younger brother, Micah ... sister Nichole plays basketball at Simpson University ... mother is from the small island of Yap in the western Pacific Ocean ... won the SPSL league title his senior year in the 400-meters and went on to place fifth at the 4A state championships, running a PR in the final of 48.97 ... also took fifth at state as a junior in 2011 in a time of 49.56, and was 10th at state as a sophomore ... 4x400m relay was seventh at state in 2011 and fourth in 2010 ... named SPSL Male Athlete of the Year in 2012 ... earned team's Athlete of the Year award in 2012, and Most Inspirational Athlete in 2011 ... lettered in basketball every year, earning First Team All-League honors in 2011-12 and team MVP honors ... Rogers High School Athlete of the Year as a senior ... also lettered in football, and is an avid volleyball player ... would like to thank friends Mackenzie Lancaster and Marcus Brittain for supporting him to this point.