Demorest moves on in steeplechase, Squire fails to qualify in long hurdles.
Soratos, Ferriter, Demorest and Squire begin national championship meet at Oregon today.
Seniors will compete in Eugene next month.
Senior duo will run in finals on Friday.
Among 8 Bobcat qualifiers, five are seniors who head to Austin, Texas.
McCutchen has first-day lead in heptathlon as MSU chases women's title that escaped during the indoor season.
Senior track stars win Big Sky weekly honors.
Senior trio win three of four weekly honors from Big Sky Conference.
MSU senior runs 3:55.27 unadjusted in Seattle.
Soratos runs stellar last leg as distance-medley relay team remains undefeated.