MileSplit Staff Mar 04, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Rankings the top underclassman Boys 600m performers in Illinois during the 2026 Indoor Season. 600m Rank Time Athlete/Team Class Meet / Date 1 1:25.83 Dimitar Bratovanov Chicago (Lane) 2028 Proviso West Boys Invitational Feb 28, 2026 2 1:27.48 Maximus Chiricescu Chicago (Lane) 2028 Proviso West Boys Invitational Feb 28, 2026 3 1:27.92 Bobby Wintermute Mt. Prospect (Prospect) 2028 Proviso West Boys Indoor Quad 2 Feb 13, 2026 4 1:27.96 Alexander Workman Minooka 2028 HF Boys Open Feb 21, 2026 5 1:28.45 Ari Coustan Evanston (Twp.) 2029 ...