

Ready to Knock Minutes Off Your Half Marathon?
This 12-Week Half Marathon Plan has everything you need. Built on a tried-and-tested, efficient framework, each session has a clear purpose. You’ll see improvements in endurance, speed and strength.
The Benefits for You
- Peak Performance: A straightforward plan that’s proven to help runners reach their full potential on race day.
- Boost Endurance & Speed: Develop the stamina and pace to stay comfortable at your target race pace.
- Stay Motivated: With clear daily guidance and varied sessions, you’ll feel consistently challenged, not overwhelmed.
- Save Time: Enjoy short workouts that fit around a busy lifestyle, including notes on how to swap in club runs.
- Gain Confidence: Train with a solid structure, trusting that each workout builds toward your race goal.
- Injury Resilience: Complete one strength session per week making you stronger and reducing injury risk.
Targets of the Plan
- Achieve a new Half Marathon personal best
- Build endurance, speed, and race-day readiness.
- Feel confident and strong on race day.

Structured Progression
- Block 1: Base endurance and race pace introduction. Build a strong foundation with steady runs and pace sharpening.
- Block 2: Endurance and speed development. Shift toward race-pace work, gradually stretching those challenging efforts and boosting speed.
- Block 3: Race pace and peaking. Fine-tune your race pace, taper your volume, and arrive fresh, fast, and fully prepared for race day.
Key Features
- Performance-Focused: Sessions designed to enhance endurance, pacing, and race-day readiness.
- Time-Efficient: With 5 runs per week plus a weekly strength workout, this plan balances effective training with your busy schedule.
- Flexibility & Adaptability: Weekly guidance to swap sessions for club runs or adjust as needed.
- Smartwatch Compatibility: Real-time tracking and feedback ensure precision in every workout.
Who Is This Plan For?
- Experienced Runners: If you can already run for an hour and a half, you’ll be ready for the more advanced workouts.
- PB Chasers: Designed for those wanting to break their personal best—previous runners have gained surprising improvements and shaved minutes off their times.
- Dedicated Performers: Anyone who craves structure, progression, and tangible results.
What You Get
- 12 weeks of detailed, progressive training.
- 5 runs per week with purposeful, easy-to-follow workouts that maximize every minute on your feet.
- 1 strength session per week to boost power and protect against common injuries.
- 2–3 rest days per week for recovery and avoiding burnout.
- A fully integrated training calendar for seamless scheduling.
Check out our other
Half Marathon Training Plans Here
Your Next Level Awaits
If you’ve been seeking a plan that’s easy to follow, challenging but not overwhelming, and proven to deliver real results, this is it. Start your 12-week journey and become the runner you’ve always wanted to be.
Efficient Endurance provides structured coaching for committed professionals preparing for long-distance events. I remove the decision load of training through clear planning and consistent accountability. My science-informed approach ensures sustainable progression for Ironman, marathons, and triathlons. I also have 10 years of experience as a professional swim coach at the top levels, offering technical depth that ensures efficiency in the water and confidence on race day.