WICHITA — Chon Chavez’s 3,200-meter run got everything started for Great Bend High School at the Class 6-1A state track and field championships.Chavez competed in his first event at 8:05 a.m. on Friday at Cessna Stadium on Wichita State University’s campus.He trimmed 21 seconds from his personal best to finish fifth with a time of nine minutes, 51.66 seconds.“I didn’t realize it was that much of an improvement,” Chavez said. “I have never run the two mile fresh before. I usually have an event or two before I run in the two mile.