Lexy Halladay, an eighth-grader from Lake Hazel Middle School and YMCA Team Idaho, won the girls 1-mile race in a meet-record 4:54.73 and the 800 in 2:15.70 -- ranking No. 10 and 15th in the U.S. in the respective events this year -- at the New Balance Boise Indoor at Ford Sports Center in Nampa, Idaho.