Chicago Marathon 2025 Start Time. Tune in before the race to listen to the bank of america chicago marathon preview shows featuring running experts and the chicago marathon executive race director, carey. Start time, tv channels the 2025 chicago marathon takes place today (sunday, oct.

Marathon wheelchair start (women) 7:23 a.m.: The chicago marathon will start at 7:20am (cdt) (1:20pm bst) on sunday 13 october.