Is This Plan For You?

This 12-week Half Distance Advanced plan by GA Endurance is designed for experienced triathletes who want a high-performance and well-structured progression toward race day with slightly more time for controlled development.

It is ideal for athletes who already have a strong training background across swim, bike, and run, and are ready to follow a demanding and performance-oriented system focused on maximizing race execution.

If you are looking for a structured and efficient build that combines intensity, endurance, and precision, this plan provides a clear and performance-driven pathway.

What You Can Expect

• A complete 12-week structured Half Distance progression leading into race day

• Short but effective base phase with rapid transition into build and race-specific work

• High-level progression across swim, bike, and run disciplines

• Strong emphasis on aerobic capacity, efficiency, and durability

• Progressive long sessions to maximize endurance and fatigue resistance

• Frequent threshold, tempo, and race-pace sessions introduced early

• Advanced bike sessions focused on power output, pacing precision, and sustained efforts

• Run sessions designed to optimize efficiency and performance under fatigue

• Swim sessions including aerobic, threshold, and sustained efforts

• Integrated brick sessions to simulate race demands and transitions

• Strategically controlled recovery to maintain peak performance and avoid overload

• 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 2,000–3,000 meters continuously

• Ride consistently for 2.5–3.5 hours

• Run continuously for 70–90 minutes

• Train consistently 5–6 days per week

• Have strong experience with structured triathlon training

A GPS watch, heart rate monitor, and bike power meter are strongly recommended for best results.

Final Note

This 12-week advanced half distance plan is designed to provide a high-performance and structured pathway toward race execution.

With slightly more time for development, the focus remains on precision, execution quality, and intelligent load management. If followed with discipline, this plan will help you maximize endurance, refine pacing strategy, and arrive at race day ready to perform at your highest level.

Explore more training plans at GA Endurance