Tri-Valley Track Matt Larson | Big Sioux Media The Tri-Valley Mustangs took part in the Terry Bong Relays in Canton on Thursday, April 25th.Lauren Grinde won the javelin with a throw of 117’9″. Peyton Vogt finished fourth in the 300m hurdles. Hillary Hastings placed fourth in the high jump and fifth in the triple jump. Mattie Huwe…