Is This Plan For You?
This 12-week Half Marathon Beginner plan by GA Endurance is designed for runners who want a complete, structured progression in a practical, achievable timeframe.
It is ideal for athletes who can already run 5–8 km continuously and are ready to improve their endurance, pacing control, and overall running consistency through a clear, step-by-step system.
If you are looking for a balanced plan that delivers real progress without requiring a long-term commitment, this is the ideal starting point.
What You Can Expect
A structured 12-week progression combining aerobic development and endurance building
Gradual increase in volume with clear intensity control
Strong focus on pacing discipline, steady-state strength, and long-run durability
Sessions designed to improve efficiency, consistency, and confidence
Integrated testing to monitor 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 12-week training block
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 pacing control, and develop the consistency required for half-marathon performance.
This plan is designed to give you clear, measurable progress while preparing you for longer or more advanced training phases.
To continue your development, explore more plans 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.