Is This Plan For You?
This 28-week Half Distance Beginner plan by GA Endurance is designed for athletes who want a long and progressive journey toward race day with a strong focus on building confidence and consistency.
It is ideal for individuals who are new to structured triathlon training or prefer a gradual and low-risk development approach across swim, bike, and run disciplines.
If you are looking for a comprehensive and supportive roadmap that prioritizes steady progression and long-term adaptation, this plan provides a clear and structured pathway.
What You Can Expect
• A complete 28-week structured Half Distance progression leading into race day
• Extended base phase allowing gradual and sustainable endurance development
• Balanced progression across swim, bike, and run disciplines
• Strong emphasis on aerobic capacity, consistency, and durability
• Run/walk support where needed in early phases transitioning into continuous efforts
• Progressive long sessions to build endurance and fatigue resistance
• Controlled and gradual introduction of intensity after sufficient base development
• Strategically placed recovery weeks to support adaptation and reduce injury risk
• Focus on movement efficiency, pacing awareness, and training discipline
• Clear, easy-to-follow workouts using 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 600–1,200 meters (with rest as needed)
• Ride comfortably for 75–150 minutes
• Run or walk for 30–45 minutes
• Train consistently 3–4 days per week
• Be ready to follow a long-term and progressive training structure
A GPS watch is helpful, and a heart rate monitor is recommended for better intensity control.
Final Note
This 28-week beginner half distance plan is designed to provide a long and supportive pathway toward race readiness.
With extended development time, the focus is on consistency, gradual progression, and building confidence across all three disciplines. If followed with discipline, this plan will help you develop endurance, improve efficiency, and arrive at race day ready to successfully complete the distance.
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.