Is This Plan For You?
This 36-week Half Distance Intermediate plan by GA Endurance is designed for triathletes who want a structured and performance-oriented progression toward a 70.3 race.
It is ideal for athletes who already have a consistent training background and are ready to follow a focused system that builds endurance, efficiency, and race-specific execution within a well-balanced timeframe.
If you are looking for a complete race-preparation plan that combines structured progression with efficient load management, this plan provides a clear, performance-driven roadmap.
What You Can Expect
• A complete 36-week structured Half Distance progression leading into race day
• Balanced periodization including base, build, and race-specific phases
• Controlled and progressive load development across swim, bike, and run
• Strong emphasis on aerobic capacity, consistency, and durability
• Progressive long sessions to build endurance and fatigue resistance
• Structured tempo and threshold sessions introduced at the appropriate stages
• Bike sessions focused on pacing, sustained power, and race execution
• Run sessions designed to improve efficiency and performance under fatigue
• Swim sessions including technique refinement and aerobic conditioning
• Integrated brick sessions to develop race-specific adaptation and transitions
• Strategic recovery weeks to support adaptation and prevent overtraining
• Clear, easy-to-follow workouts using power, 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:
• Swim at least 1,000–1,500 meters continuously
• Ride consistently for 1.5–2.5 hours
• Run continuously for 45–60 minutes
• Train consistently 4–6 days per week
• Have prior experience with structured triathlon training
A GPS watch, heart rate monitor, and bike power meter are recommended for best results.
Final Note
This 36-week intermediate half-distance plan is built to guide you efficiently toward race performance while maintaining a strong balance between load, recovery, and progression.
With a structured and focused timeline, consistency and execution quality become key. If followed with discipline, this plan will help you build endurance, refine pacing strategy, and arrive at race day confident and ready to perform at your best.
Explore more training plans at GA Endurance
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.