Boru Guyota ran his fastest time of the season in the men's 800 while qualifying for the NCAA Championships in fifth (1:48.16).
After winning the long jump, Thursday, Jenna Prandini was looking to qualify for her second event on Friday, the 100. Prandini did so, again, with the top mark in the field, running 11.17. The three-event Pac-12 Champion also qualified for the quarterfinals of the 200, running the third-fastest time of the day in 23.00.
Mike Berry and Phyllis Francis cruised to wins of their heats in the 400. Berry finished in 45.39, third fastest of the day. Francis coasted to a 52.05 and will be joined by fellow senior Chizoba Okodogbe who qualified 11th in 53.07.
A pair of steeplechasers qualified to the NCAA Championships as Tanguy Pepiot and Megan Patrignelli both booked spots at Hayward Field. Pepiot automatically advanced by finishing second in his heat with the third-fastest time of the day (8:42.67) while Patrignelli advanced with a ninth-place time of 10:10.86.
Greg Skipper was one-and-done, Friday, throwing 225-1 (68.61m) in the hammer throw on his first attempt which put him in the lead early. With the top 16 advancing to the finals, and the top 12 coming to Eugene, Skipper was able to pass on the remainder of his throws, moving down only one spot by the end of the day to qualify second out of the region.
Laura Bobek will compete in her first NCAA Championships after finishing eighth in the discus. The senior set her best mark in the finals on her fifth attempt with a throw of 175-7 (53.53m).
While some Ducks were adding to the total that will come to Eugene June 11-14, which now sits at 20 entries, others were abiding the process and putting themselves in a position to do the same on Saturday.
Johnathan Cabral and Devon Allen both qualified to the quarterfinals in the 110 hurdles. Cabral finished second in his heat with a season-best time of 13.54 while Allen ran away with his heat in 13.57, letting off the gas after the final hurdle.
Arthur Delaney won his heat of the 200 and will race in the quarterfinal on Saturday. He was just off his lifetime best, posting a time of 20.76.
On the women's side, Sasha Wallace finished second in her heat of the 100 hurdles to advance. She finished in a time of 13.50, running into a strong headwind of 2.7 meters/second.
The final day of the NCAA West Preliminary Rounds will begin at 8 a.m. PT on Saturday.