Is This Plan For You?

This 12-week Half Distance Beginner plan by GA Endurance is designed for athletes who have a basic fitness foundation and want a structured and manageable progression toward race day.

It is ideal for individuals who are already active in swim, bike, and run, and are ready to build endurance, consistency, and confidence through a focused and progressive training system.

If you are looking for a balanced and efficient approach that allows you to prepare safely while developing performance step by step, this plan provides a clear and supportive pathway.

What You Can Expect

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

• Short but effective base phase with gradual transition into race-specific work

• Balanced development across swim, bike, and run disciplines

• Strong emphasis on aerobic development and training consistency

• Progressive long sessions to build endurance and confidence

• Controlled introduction of tempo and pacing awareness

• Strategically placed recovery weeks to support adaptation and reduce injury risk

• Focus on movement efficiency, pacing discipline, and training structure

• 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 500–1,000 meters (with rest as needed)

• Ride comfortably for 75–120 minutes

• Run continuously for 35–45 minutes

• Train consistently 3–4 days per week

• Have a basic aerobic base and recent activity across disciplines

A GPS watch is helpful, and a heart rate monitor is recommended for better intensity control.

Final Note

This 12-week beginner half distance plan is designed to provide a structured and confidence-building progression toward race day.

With a balanced approach between development and recovery, the focus is on consistency, gradual progression, and proper execution. If followed with discipline, this plan will help you build endurance, improve confidence, and arrive at race day ready to successfully complete the distance.

Explore more training plans at GA Endurance