12-Week Beginner Half Marathon Training Plan
This 12-week plan is designed for new runners looking to complete the challenge of a half marathon.
With 3 runs per week, it offers a structured, achievable approach to help you build endurance, stay motivated, and reach the finish line feeling strong.
Achieve Your Goals
- Complete Your Half Marathon: A step-by-step plan designed for beginners.
- Build Endurance: Progressively increase your running distance to prepare for race day.
- Stay Motivated: Enjoy varied and achievable sessions that keep you engaged.
- Train Efficiently: With just 3 runs per week, this plan fits perfectly into a busy lifestyle.
- Injury Resilience: Complete one targeted strength session per week to make you stronger and reduce injury risk.
Targets of the Plan
- Finish Your First Half Marathon: Cross the finish line feeling strong and confident.
- Build Up to Race Distance: Progress from running 40 minutes to completing 21.1 km comfortably.
- Improve Pacing: Learn how to sustain a steady effort to complete the race without burning out.
- Develop Mental Toughness: Gain confidence through structured training and long run progression.
12 Weeks of Detailed, Progressive Training
- Weeks 1-4: Build a solid endurance base and gradually introduce race pace efforts.
- Weeks 5-8: Focus on speed and endurance with intervals and tempo runs for significant gains.
- Weeks 9-12: Refine race pace and peak for race day with reduced volume and high intensity.
Adaptibility
- Guidance for sessions that can optimally be swapped for club runs.
- Smartwatch Support: Live tracking to keep you on course.
- Progressive Variety: Endurance runs, half marathon pace efforts, and tapering for race day.
- Sessions progress as you do.
Time-Efficient Sessions
- Average session length just under an hour.
- Shorter midweek sessions to fit in with a busy working week.
Who Is This Plan For?
- Newer Half Marathon Runners: Athletes ready to take their training to the next level.
- You should be able to run for 40 minutes before starting this plan.
- PB Chasers: Those aiming to run their fastest Half Marathon ever.
- Time-Restricted Runners: Runners looking for structure, progression, and results with maximal time efficiency.
What You Get
- 3 runs per week with a focus on making the most of the time on your feet.
- 4 Rest days per week.
- 1 Strength session per week focused on your stability, mobility and strength.
- A fully integrated training calendar for seamless scheduling.
Check out our other
Half Marathon Training Plans Here
Your Next Level Awaits
This plan will help you develop the endurance, speed, and mental toughness required to excel on race day. Take on the challenge, embrace the journey, and achieve something you never thought possible!
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.