Is This Plan For You?
This 44-week Half Distance Intermediate plan by GA Endurance is designed for triathletes who already train consistently and want a slightly more time-efficient progression toward a strong 70.3 performance.
It is ideal for athletes who have a solid aerobic base across swim, bike, and run, and are ready to follow a structured system that balances endurance development, efficiency, and race-specific preparation.
If you are looking for a comprehensive yet slightly condensed roadmap that builds toward race readiness with precision and control, this plan provides a clear and performance-driven pathway.
What You Can Expect
• A complete 44-week structured Half Distance progression from base to race day
• Slightly reduced base duration with earlier transition into build phases
• Balanced development across swim, bike, and run disciplines
• Strong emphasis on aerobic capacity, consistency, and durability
• Progressive long sessions to build endurance and fatigue resistance
• Structured tempo and threshold sessions introduced progressively
• Bike workouts focused on power control, pacing, and sustained efforts
• Run sessions designed to improve efficiency and durability 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 44-week intermediate half-distance plan is designed to provide a complete and efficient pathway toward race performance.
With a slightly shorter preparation timeline, consistency and execution quality become even more important. If followed with discipline, this plan will help you build endurance, refine pacing strategy, and arrive at race day confident and ready to perform.
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.