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GA Endurance | Half Distance Intermediate | 16 Weeks | Structured Plan | Coach Access

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GA Endurance | Half Distance Intermediate | 16 Weeks | Structured Plan | Coach Access

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.


Learn More about Structured Workouts.

Author

GA Coaching

All plans by this Coach

Length

16 Weeks

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.


Learn More about Structured Workouts.

Plan Description

Is This Plan For You?

This 16-week Half Distance Intermediate plan by GA Endurance is designed for triathletes who already have a consistent training background and want a well-structured progression toward race day with sufficient time for controlled development.

It is ideal for athletes who are regularly training across swim, bike, and run, and are ready to follow a performance-oriented system that balances endurance, intensity, and recovery.

If you are looking for a structured and progressive pathway that builds both capacity and race execution, this plan provides a clear and disciplined roadmap.


What You Can Expect

• A complete 16-week structured Half Distance progression leading into race day

• Balanced base phase with gradual transition into build and race-specific work

• Progressive 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, threshold, and race-pace sessions introduced progressively

• Bike sessions focused on power control, pacing, and sustained efforts

• Run sessions designed to improve efficiency and performance under fatigue

• Swim sessions including technique, aerobic conditioning, and sustained efforts

• Integrated brick sessions to develop race-specific adaptation and transitions

• Strategically placed 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 1,500–2,000 meters continuously

• Ride consistently for 2–3 hours

• Run continuously for 55–75 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 16-week intermediate half distance plan is designed to provide a complete and balanced progression toward race performance.

With sufficient time for structured development, the focus is on consistency, execution quality, and controlled load progression. 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

How it Works

Load Your Plan

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Workout and Analyze

Upload completed workouts from your favorite tracking app or device.

Track Your Progress

Get feedback, stay on top of your training and perform at your best.

Learn More

Training Plan Sample Week

Stats

Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x4
03:17:00 01:45:00
Bike x3
04:10:00 03:00:00
Swim x3
02:29:00 01:10:00
Day Off x1
—— ——
Workouts Per Week Weekly Average Longest Workout
Run
03:17:00 01:45:00
Bike
04:10:00 03:00:00
Swim
02:29:00 01:10:00
Day Off
—— ——

Training Load By Week


This plan works best with the following fitness devices:

  • Power Meter
  • Heart Rate Monitor
  • GPS

All supported devices

GA Endurance

GA Coaching & Sports Science

Goksen Cinar, MSc, and Ozgur Axaman, combining decades of coaching experience with applied sports science. Both are multiple-time Ironman 70.3 World Championship qualifiers, with extensive full-distance Ironman experience. Their system integrates structured training, data-driven methodology, and real-world coaching to help athletes train with clarity, consistency, and long-term performance focus.


  • This plan includes a Free Basic TrainingPeaks Account.
  • Access your training plan anywhere on the TrainingPeaks mobile and desktop apps.
  • Track your performance with robust data tracking and detailed graphs.
  • Plan for your event in the TrainingPeaks calendar.
  • Track your weight, sleep, hours, fatigue and stress while you train.
  • Completed workouts sync with popular apps like Garmin and Wahoo. Learn More
  • If plan includes Structured Workouts, then planned workouts sync to compatible devices and guide you through workouts in real time. Learn More

Refund Policy

This plan is protected by our Refund Policy and may, with the author's approval, be exchanged for a plan of equal value from the same author.

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