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Half Marathon Trail - Mountain classic (UTMB 20K Category) - Intermediate 24w (HM, EN)

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Half Marathon Trail - Mountain classic (UTMB 20K Category) - Intermediate 24w (HM, EN)

Includes Structured Workouts

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


Learn More about Structured Workouts.

Author

Arduua

All plans by this Coach

Length

24 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





PEAK OF FORM AT RACE DAY 
TRAIL - MOUNTAIN - ULTRA - ROAD


📋 Plan Overview


Distance: Half Marathon
Elevation Gain: 800–1,700 m
Category: UTMB 20K (≈15–35 km)
Skill / Level: Intermediate (Trail Focus)
Duration: 24 weeks
Workouts/week: 7–10
Weekly hours: 7–9
Includes: Running, Strength, Mobility, Stretch

👟 Who Is This Plan For?


Designed for intermediate trail runners preparing for mountain half marathons, including races in the UTMB 20K Category (≈15–35 km).
Ideal for athletes with 1–3 years of trail running experience who train around 6–9 hours per week and aim to improve performance, climbing efficiency, and endurance.
This plan provides a comprehensive, long-term structure to help you perform confidently on technical and demanding terrain.

📦 What You’ll Get


A 24-week structured plan developed by Arduua Coaches.
Includes running, strength, mobility, and stretch sessions — all delivered through TrainingPeaks and automatically synced to your watch.
Workouts are prescribed by time and heart rate zones to match your personal fitness and ensure safe, effective progression.
Each session includes clear goals, execution guidance, and supporting video materials for strength and mobility training.

❤️ Training Methodology


Training is guided by time and heart rate zones, not distance or pace, allowing for individualized adaptation to terrain, altitude, and fatigue.
The first week includes a Running Threshold Test to establish your heart rate zones in TrainingPeaks.
This system ensures structured and precise progression while minimizing injury risk.

📆 Plan Structure


Base (7w): Build aerobic endurance, strength, mobility, and durability.

Specific (8w): Focus on climbing efficiency, thresholds, and trail running economy.

Pre-Comp (8w): Introduce race-specific sessions, long runs, and fueling practice.

Taper+Race (1w): Reduce load and arrive rested, sharp, and ready for race day.

⚙️ Requirements


TrainingPeaks-compatible watch or GPS device.

Chest-strap HR monitor (wrist HR not accurate enough).

✅ Summary


This 24-week intermediate trail half marathon plan prepares you for the UTMB 20K Category or similar mountain events.
It delivers structured progression to enhance endurance, climbing power, and trail efficiency — helping you reach peak form and perform your best on race day.

📣 More info: arduua.com • Contact: info@arduua.com

How it Works

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Workout and Analyze

Upload completed workouts from your favorite tracking app or device.

Track Your Progress

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Learn More

Training Plan Sample Week

Stats

Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x5
06:23:00 03:00:00
Strength x2
01:08:00 00:50:00
Other x2
00:41:00 00:30:00
Workouts Per Week Weekly Average Longest Workout
Run
06:23:00 03:00:00
Strength
01:08:00 00:50:00
Other
00:41:00 00:30:00

Training Load By Week


This plan works best with the following fitness devices:

  • Heart Rate Monitor
  • GPS

All supported devices

Arduua Trail Running Coaching

Arduua Trail Running Coaching

Arduua offers real, personalized coaching for Trail Running, Skyrunning, and Ultra-Trail.
Get matched with a professional coach who will build your plan around your goals, fitness level, and race schedule.

Join our global team of runners in 30+ countries and train with purpose.
Coaching is available in English and Spanish.


  • 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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