This Level 4: 12 Week Half Marathon Training program is perfect for new runners or runners looking for a training program that builds strength, speed, and endurance. Running plan begins with a 90-minute long run and builds to a 2 hour 20 minute long run. Running Plan in Final Surge Includes: • 2 Strength training workouts per week with videos •6 Running Days (with 2 days of speed play) • 1 cross-training days • Longest run: 2 Hours 20 minutes • Auto-Messages with training & running ...