Molli Detloff and Lucas Trapp won two events each for Elk River as the Elk girls placed fourth and the boys 10th in the 14-school Lakeville North Invitational on Saturday.
The Prior Lake girls and Brainerd boys were team champions.
Detloff, a senior, won the shot put with 37-6 3/4 and the discus with 125-5.
Trapp, a sophomore, won the 800 with 1:59.65 and the 1600 with 4:30.63.
The Elk girls also won the 4-by-100 relay with 52.25. They took fifth in the 4-by-800 with 10:32.89.
Rachel Ness placed third in the 800 with 2:25.27 and sixth in the 1600 with 5:28.98.
Lauren Ives placed fifth in 100 hurdles (17.81) and fourth in the long jump (14-5 1/2).
Kennedy Warner was sixth in the 3200 run (12:13.07) while Annika Carr was eighth in the 1600 run (5:32.33).
Jacob Buhl long-jumped 19-8 for fourth place and triple-jumped 37-7 3/4 for sixth place. Will Hoff high-jumped 5-8 for fourth place.
The Elks will host Blaine and Coon Rapids on Tuesday.