Is This Plan For You?

This 18-week Half Marathon Beginner plan by GA Endurance is designed for runners who want a deeper, more complete progression toward half-marathon performance.

It is ideal for athletes who can already run 5–8 km continuously and are ready to commit to a longer, structured training process that builds endurance, pacing control, and durability with precision.

If you are looking for more than a short-term plan—and want to develop a strong, reliable performance base—this plan provides a clear and effective pathway.

What You Can Expect

A structured 18-week progression combining extended Base development

Gradual and controlled increase in volume with clear intensity management

Strong focus on aerobic capacity, steady-state strength, and long-run durability

Longer and more consistent steady sessions to improve pacing stability

Integrated testing phases to track progress and recalibrate training zones

Simple, easy-to-follow workouts using pace, heart rate, or perceived effort

Optional strength guidance to support injury prevention and long-term consistency

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 5–8 km
Train 3–4 times per week consistently
Commit to a structured 18-week progression

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

Final Note

Over these 18 weeks, you will build a strong aerobic foundation, improve your pacing precision, and develop the durability required for half-marathon performance.

This plan is designed to deliver deeper and more sustainable progress, preparing you for race-specific or higher-level training phases.

To continue your development, explore more plans at:
www.gaendurance.com