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.
Freshman Chris Williams took second in the pole vault while also making the hurdles final.
High School and Personal: One of the top sprinters ever to come out of New Mexico ... swept the New Mexico 3A state titles in 2010 as just a sophomore, winning the 100m dash, 200m dash, 100m hurdles, and 300m hurdles, and setting a state record at 200-meters at 24.77 seconds, since lowered ... a leg injury prevented her from defending her state titles during her junior season ... in 2011, she swept the sprints and hurdles races at the All-Star Supelveda Invitational, a first in meet history ... her top 300m hurdles time in 2010, her sophomore year, ranked 37th nationally ... placed second in the 400m hurdles at Junior Olympic Nationals for intermediate aged girls in 2010, running 1:01.25 in the finals, after winning Regionals in a PR of 1:01.22 ... chose Washington over California and Baylor.
2013 MPSF - 37th, 400m | 11th, 4x400m