Arcadia Invitational

Santa Margarita’s Kaitlyn Merritt took first place in the girls’ pole vault at Arcadia last year.

Sierra Peterson of St. Mary’s Academy edges Ariana Washington of Long Beach Poly on the anchor leg of the girls’ 400-meter relay on Saturday.  (Allen J. Schaben / Los Angeles Times)

Long Beach Poly’s Kaelin Roberts hits the finish line to win the girls’ 400-meter race at Arcadia.  (Allen J. Schaben / Los Angeles Times)

Long Beach Millikan’s Misana Viltz, left, defeats Marquis Morris of Concord De La Salle to win the boys’ 110-meter hurdles on Saturday at Arcadia.  (Allen J. Schaben / Los Angeles Times)

Vashti Cunningham of Bishop Gorman High in Las Vegas clears 6-foot-2 to win the girls’ high jump at Arcadia.  (Allen J. Schaben / Los Angeles Times)

Mater Dei’s Tara Radan, right, captures the girls’ 400-meter seeded race ahead of Concord Carondelet’s Christina Chenault on Saturday.  (Allen J. Schaben / Los Angeles Times)

Loyola’s Mekai Sheffie reacts after finishing ahead of Huntington Beach Edison’s Blake Wright, left, to anchor the Cubs to victory in the boys’ 400-meter relay on Saturday at the Arcadia Invitational.  (Allen J. Schaben / Los Angeles Times)