Is This Plan For You?

This 16-week Half Marathon Base plan by GA Endurance is designed for runners who want to build a strong, comprehensive aerobic foundation before progressing to more advanced training phases.

It is ideal for intermediate athletes who can comfortably run 8–12 km and are ready to improve endurance, pacing precision, and steady-state strength through a structured and progressive system.

If you are looking for a deeper and more complete base development phase that prepares you for higher training loads, this plan provides a clear and effective pathway.

What You Can Expect

• A structured 16-week Base progression designed for intermediate runners

• Gradual and controlled increase in volume with precise intensity management

• Strong emphasis on aerobic capacity, steady-state strength, and fatigue resistance

• Longer and more consistent steady sessions to improve pacing stability

• Integrated testing phases to track progress and recalibrate training zones

• 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 8–12 km

• Train consistently 4–5 times per week

• Have prior structured training experience

• Commit to a progressive 16-week base development phase

A GPS watch or heart rate monitor is strongly recommended for best results.

Final Note

This 16-week Base plan is designed to build a strong and durable aerobic engine while improving pacing control and overall running efficiency.

It provides a complete foundation that prepares you for higher-intensity and race-specific training phases with confidence and stability.

For best results, continue your progression with the next phase of training at:

Explore more training plans at GA Endurance