Is This Plan For You?
This 16-week Marathon Advanced plan by GA Endurance is designed for experienced runners who want a focused, performance-driven progression toward peak marathon performance within a classic race-preparation timeframe.
It is ideal for athletes with a solid endurance background who are ready to follow a structured system that develops all key components of marathon performance—from aerobic capacity to race-specific execution.
If you are targeting a personal best or a high-quality race execution, this plan provides a clear and effective pathway.
What You Can Expect
• A complete 16-week structured progression from Base → Build → Race Preparation → Peak
• Efficient aerobic development combined with performance-specific training blocks
• Advanced volume progression with precise intensity distribution
• Strong emphasis on aerobic capacity, lactate threshold, and fatigue resistance
• Structured long runs evolving into race-specific endurance sessions
• Marathon pace integration and race execution development
• Targeted sessions to improve pacing precision and metabolic efficiency
• Integrated testing phases to track progress and recalibrate training zones
• Periodized recovery weeks to ensure adaptation and consistency
• A structured taper phase to deliver peak race-day performance
• Clear, easy-to-follow workouts using pace, heart rate, or perceived effort
• Optional strength guidance to support durability and injury prevention
Coaching & Support
This plan includes Coach Access.
If you have any questions during your training, you can reach out anytime via:
coachsupport@gaendurance.com
Requirements
To start this plan, you should be able to:
• Run continuously for at least 18–22 km
• Train consistently 5–6 times per week
• Have strong prior structured training experience
• Be ready to commit to a structured progression (3.5–4 months)
A GPS watch and heart rate monitor are strongly recommended for the best results.
Final Note
This 16-week plan is designed to maximize your marathon performance through a structured and progressive system.
You will build aerobic capacity, develop race-specific endurance, and refine pacing precision to execute at a high level on race day.
Explore more training plans at GA Endurance
I’m Goksen Cinar, MSc, a sports scientist, national team coach, and founder of GA Endurance. With 25+ years of experience and more than 2,000 athletes coached, I combine sports science, data analysis, and practical endurance coaching. I’m a 4-time IRONMAN 70.3 World Championship qualifier and 4-time full-distance IRONMAN finisher, providing full-time coaching built around each athlete’s goals and life.My coaching philosophy begins with the individual.