Marathon Training Plan Level 1 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 Weekly mileage = 20-30 miles per week (30-50 kilometers per week)* *based on an average training pace of 12:00 min/mi (7:30 min/km) NOTE: Each run includes a range of duration/distance and pace so actual mileage may vary. Plan includes: -Tried and ...