The Mustangs have been among the best Colorado has to offer in one of the oldest prep sports on local record (there were unofficial state meets from 1902-21). In boys, the Mustangs have won 13 team titles, the most recent coming in 2009. For girls, Mullen has won a state-leading 11 times since team standings were first kept in 1975. The Mustangs will compete in Class 4A.