Is This Plan For You?
This 4-week Intermediate Base Marathon plan by GA Endurance is a free short, structured re-entry phase for runners who are already training but need to realign, stabilize, and prepare for a more demanding marathon training block.
It is ideal for athletes who have maintained some level of consistency but want a controlled transition into structured training with a focus on rhythm, efficiency, and readiness.
If you are looking for a simple, efficient, and disciplined way to reset your training structure and prepare your body for higher loads, this plan provides a clear starting point.
Use the code GAFREE at checkout to access this plan for FREE.
What You Can Expect
• A complete 4-week structured Base re-entry progression for Marathon Intermediate athletes
• Very short and controlled base phase focused on system activation
• Strong emphasis on aerobic rhythm, consistency, and movement quality
• Short progressive long runs to reintroduce endurance load
• Predominantly easy and steady-state running with minimal intensity
• Light neuromuscular activation and brief tempo exposure
• Controlled overall volume to support adaptation without excessive fatigue
• Focus on pacing, discipline, and efficient movement patterns
• Clear, easy-to-follow workouts using pace, heart rate, or perceived effort
• Optional strength guidance to support durability and injury prevention
Free Access Code
This plan is available for FREE with the following code:
GAFREE
Enter the code at checkout to start your 4-week Marathon Intermediate Base plan at no cost.
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 8–12 km
• Train consistently 3–4 times per week
• Have recent running experience and basic aerobic fitness
• Be ready to follow a short, structured re-entry phase
A GPS watch and heart rate monitor are recommended for best results.
Final Note
This free 4-week Intermediate Base plan is designed to re-establish structure, consistency, and readiness before entering more demanding marathon training phases.
With a very limited timeframe, the focus is on controlled execution, gradual activation, and preparing your system for what comes next. If followed with discipline, this plan will help you transition smoothly into higher training loads and more performance-focused programs.
Explore more training plans at GA Endurance
Goksen Cinar, MSc, is a sports scientist, national team coach, and founder of GA Endurance. With more than 25 years of coaching experience, he combines sports science, endurance coaching, and data-driven methodology to help athletes achieve sustainable performance improvements. He is a 4-time Ironman 70.3 World Championship qualifier and 4-time full-distance Ironman finisher.