Male: Michael Cook, Schaumburg
1983: 50:24.4 (5:02/mile)
Female: Laura Batterink, Evanston
2014: 59:11 (5:55/mile)
Male: Leonardo Tovar-Tovar, Elgin
2017: 33:27 (5:23/mile)
Female: Kasey Moreno Moreno, Elgin
2017: 41:36 (6:42/mile)
Male: Jay Jackson, Woodstock
1995: 14:53 (4:47/mile)
Female: Britney Whitehead, Chicago
2021: 17:12 (5:32/mile; 1st overall)