Is This Plan For You?
This 10-week Half Marathon Intermediate plan by GA Endurance is designed for runners who want a focused and time-efficient progression leading into race day.
It is ideal for athletes who can comfortably run 8–12 km and are ready to improve endurance, pacing control, and race execution through a structured and performance-driven system.
If you are looking for a compact, effective pathway that combines aerobic development with race-specific preparation, this plan offers a clear, practical approach.
What You Can Expect
• A complete 10-week progression from Base → Build → Race Preparation
• Gradual increase in volume with structured intensity management
• Dedicated phases for aerobic development, steady-state strength, and race-specific work
• Long runs and steady sessions to improve pacing stability and endurance durability
• Race-pace sessions to build control and confidence before race day
• Integrated testing phases to track progress and recalibrate training zones
• A structured taper phase to ensure optimal freshness for race day
• Clear, easy-to-follow workouts using pace, heart rate, or perceived effort
• Optional strength guidance to support injury prevention and 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 8–12 km
• Train consistently 4–5 times per week
• Have prior structured training experience
• Be preparing for a half marathon within the next 2–2.5 months
A GPS watch or heart rate monitor is strongly recommended for best results.
Final Note
This 10-week plan is designed to efficiently prepare you for race day through a structured and progressive system.
You will improve your aerobic capacity, refine your pacing, and develop the confidence needed to execute your half-marathon.
Explore more training plans at GA Endurance
Goksen Cinar, MSc, is a sports scientist, national team coach, and founder of GA Endurance. With more than 25 years of coaching experience, he combines sports science, endurance coaching, and data-driven methodology to help athletes achieve sustainable performance improvements. He is a 4-time Ironman 70.3 World Championship qualifier and 4-time full-distance Ironman finisher.