This Chicago Marathon training plan (up to 16 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. Quick Facts: -Length: 10-16 weeks -Runs per week: 3 -Key/Hard Workouts per week: 1 -Cross-training days per week: 1-2 -Garmin Structured Workout Compatible -McMillan Calculator paces integrated into all workouts ...