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GA Endurance | Marathon Beginner | 20 Weeks | Base | Coach Access Included

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GA Endurance | Marathon Beginner | 20 Weeks | Base | Coach Access Included

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.


Learn More about Structured Workouts.

Author

GA Coaching

All plans by this Coach

Length

20 Weeks

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.


Learn More about Structured Workouts.

Plan Description

Is This Plan For You?

This 20-week Marathon Beginner Base plan by GA Endurance is designed as a long-term foundation phase for individuals preparing to start a full marathon training program.

It is ideal for those new to structured running or returning after a long break who want to build a strong aerobic base, establish consistency, and develop the durability required for marathon training.

If you are looking for a gradual, safe, and comprehensive approach to prepare your body for long-term endurance training, this plan provides a clear and progressive pathway.


What You Can Expect

• A complete 20-week structured Base progression for Marathon Beginner athletes

• Low to moderate volume with very gradual and sustainable load progression

• Strong emphasis on aerobic development, endurance capacity, and consistency

• Run/walk progression transitioning into steady continuous running over time

• Progressive long runs designed to build durability and fatigue resistance

• Minimal structured intensity with light neuromuscular and controlled efforts

• Regular recovery weeks to support adaptation and reduce injury risk

• Focus on movement efficiency, pacing awareness, and long-term training discipline

• 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:

• Perform light physical activity and be cleared for endurance training

• Run or walk comfortably for 25–45 minutes

• Train consistently 3–4 times per week

• Be ready to follow a gradual and long-term base development process

A GPS watch is helpful, and a heart rate monitor is recommended for better intensity control.


Final Note

This 20-week beginner base plan is designed to build a strong, resilient, and sustainable foundation for marathon training.

With extended time for adaptation, the focus is on consistency, gradual progression, and injury prevention. If followed with patience and discipline, this plan will prepare your body and mind for the demands of a full marathon training program and long-term endurance development.

Explore more training plans at GA Endurance

How it Works

Load Your Plan

Quickly view upcoming workouts in the TrainingPeaks app.

Workout and Analyze

Upload completed workouts from your favorite tracking app or device.

Track Your Progress

Get feedback, stay on top of your training and perform at your best.

Learn More

Training Plan Sample Week

Stats

Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x4
03:16:00 02:00:00
Day Off x3
—— ——
Workouts Per Week Weekly Average Longest Workout
Run
03:16:00 02:00:00
Day Off
—— ——

Training Load By Week


This plan works best with the following fitness devices:

  • Heart Rate Monitor

All supported devices

GA Endurance

GA Coaching & Sports Science

Goksen Cinar, MSc, and Ozgur Axaman, combining decades of coaching experience with applied sports science. Both are multiple-time Ironman 70.3 World Championship qualifiers, with extensive full-distance Ironman experience. Their system integrates structured training, data-driven methodology, and real-world coaching to help athletes train with clarity, consistency, and long-term performance focus.


  • This plan includes a Free Basic TrainingPeaks Account.
  • Access your training plan anywhere on the TrainingPeaks mobile and desktop apps.
  • Track your performance with robust data tracking and detailed graphs.
  • Plan for your event in the TrainingPeaks calendar.
  • Track your weight, sleep, hours, fatigue and stress while you train.
  • Completed workouts sync with popular apps like Garmin and Wahoo. Learn More
  • If plan includes Structured Workouts, then planned workouts sync to compatible devices and guide you through workouts in real time. Learn More

Refund Policy

This plan is protected by our Refund Policy and may, with the author's approval, be exchanged for a plan of equal value from the same author.

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