This Level 3: 16-week marathon training program is perfect for experienced runners who are looking for a dynamic and intense training program that builds strength, speed, and endurance. Training begins with a 1-hour 50-minute long run. Running Plan in Final Surge Includes: • 3 Strength training workouts per week with videos • 5-6 Running Days (with 2 days of speed work) • 0-1 cross-training days • Longest run: 3 hours • Auto-Messages with training & running tips, tricks, and journal ...