This Level 1: 20 Week Marathon Training program is perfect for new runners or runners looking for a training program that has 4-weeks of base building, while building strength, speed, and endurance over a 5-month period. This running plans begins week 1 with a 50-minute long run and slowly builds to a 3-hour long run. Running Plan in Final Surge Includes: • 2 Strength training workouts per week with videos • 4 Running Days (with 1 day of speed play) • 2 cross-training days • Longest run: 3 ...