This Chicago Marathon training plan (up to 12 weeks long) includes my tried and true, scientifically-based and proven marathon workout sequence to help athletes running Chicago. I'll have you perform lots goal pace workouts so you really know how to dial in goal pace on race day. For each and every run, I'll provide the exact pace range for each run/workout (integrated from the McMillan Running Calculator) and will advance the paces as you progress through the training plan so you are always ...