Is This Plan For You?
This 12-week Half Marathon Beginner plan by GA Endurance is designed for runners who want to build a complete, structured foundation for half-marathon performance.
It is ideal for athletes who can already run 5–8 km continuously and are ready to progress into a more consistent, data-driven training system focused on aerobic development, durability, and pacing control.
Whether you are preparing for your first half-marathon or seeking to train with more structure and purpose, this plan provides a clear, progressive pathway.
What You Can Expect
A complete 12-week progression built on proven endurance training principles
Structured weekly progression from base development to increased aerobic capacity
Focus on aerobic efficiency, pacing discipline, and long-run durability.
Integrated testing phases to measure progress and update training zones
Simple, clear workouts using pace, heart rate, or perceived effort
Optional strength training to support injury prevention and durability
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 12-week progression
A GPS watch or heart rate monitor is recommended for best results.
Final Note
Over these 12 weeks, you will build a strong aerobic base, improve your running efficiency, and gain clear insight into your performance through structured testing.
If you want to continue progressing toward peak half-marathon performance, explore the next training phases at:
www.gaendurance.com
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.