Quick Facts: -Length: 18-20 weeks -Runs per week: 4-7 -Key/Hard Workouts per week: 1-2 -Cross-training days per week: 1-2 -Garmin Structured Workout Compatible -McMillan Calculator paces integrated into all workouts Weekly mileage = 55-80 miles per week (90-130 kilometers per week)* *based on an average training pace of 7:00 min/mi (4:20 min/km) NOTE: Each run includes a range of duration/distance and pace so actual mileage may vary. Plan includes: -Tried and true, scientifically-based and ...