21K Intermediate
21K Intermediate
Length
12 Weeks
Plan Description
12-Week Intermediate Half Marathon Training Plan
Are you ready to improve your half marathon time or reach a new personal best? This 12-week training plan is perfect for intermediate runners who want to increase their endurance, refine their race strategy, and push themselves to achieve a faster 21K. Designed to challenge you while fitting into your schedule, the program focuses on speed, strength, and recovery to help you perform at your best on race day.
What’s Included: ✅ Intermediate-Friendly Sessions: Challenging runs and workouts designed to improve both speed and endurance.
✅ Gradual Progression: Increase your distance and intensity without overloading your body.
✅ Instant Access: Start your program immediately after purchase.
✅ Strength Workouts: Targeted routines to boost strength, power, and injury prevention.
✅ Supportive Resources: Linked videos for running technique, strength exercises, and motivational tips each week.
✅ Race Day Checklist: Everything you need to be fully prepared for race day.
Program Highlights 💡 Duration: 12 weeks.
🕒 Training Time: 7 hours per week on average.
🏃 Sessions:
4 to 5 sessions per week, including easy runs, interval training, long runs, and strength workouts.
Longest workout: 2 hours and 30 minutes (weekend).
Includes rest days for proper recovery and performance optimization.
What Will You Gain? 🏃♀️ Endurance: Increase your stamina and complete the 21K with ease, while improving race-day performance.
💪 Strength: Build power, speed, and core stability to run more efficiently and reduce injury risk.
🎯 Confidence: Feel stronger, faster, and ready to crush your half marathon goals.
How it Works
Quickly view upcoming workouts in the TrainingPeaks app.
Upload completed workouts from your favorite tracking app or device.
Get feedback, stay on top of your training and perform at your best.
Training Plan Sample Week
Thursday Sample Workout Details
Stats
Average Weekly Breakdown
Workouts | Weekly Average | Longest Workout |
---|---|---|
Run
x6
|
05:50:00 | 02:00:00 |
Day Off
x1
|
—— | —— |
Strength
x1
|
00:58:00 | 01:00:00 |
Workouts Per Week | Weekly Average | Longest Workout | |
---|---|---|---|
|
05:50:00 | 02:00:00 | |
|
—— | —— | |
|
00:58:00 | 01:00:00 |
Training Load By Week
This plan works best with the following fitness devices:
- Heart Rate Monitor
- 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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