Distance: 20 km
Skill / Level: Beginner (Trail focus)
Duration: 24 weeks
Workouts per week: 4–6
Weekly hours: 4–5
Includes: Running, Strength, Mobility, Stretch
Who is this plan for?
This plan is designed for beginner trail runners who want a longer, more gradual build toward a 20K trail race. It’s ideal if you prefer extra time to adapt, stay injury-free, and gain confidence on varied terrain while steadily improving endurance and strength.
What you’ll get
A 24-week progressive plan written in English by experienced trail running coaches at Arduua.
Running sessions prescribed by time and heart rate zones (not distance), so training adapts to your fitness.
Strength, mobility, and stretch workouts with clear instructions and video links.
A longer preparation timeline that emphasizes safe progression, recovery, and consistent fitness development.
Plan Structure
Base Phase
Build aerobic endurance and overall conditioning
Improve mobility, stability, and core strength
Strengthen feet, ankles, and supporting structures
Specific Phase
Develop aerobic and anaerobic thresholds
Improve VO₂ max and running economy
Build trail-specific strength, hill technique, and resilience
Pre-Competitive & Taper
Practice race pacing and terrain skills
Refine nutrition, fueling, hydration, and gear strategies
Reduce training load to arrive fresh, strong, and confident on race day
Requirements
A TrainingPeaks-compatible training watch
An external chest strap heart rate monitor (wrist-based HR is not accurate enough for this plan)
👉 With this 24-week beginner-friendly trail plan, you’ll progress steadily and safely—arriving at your 20K trail race well-prepared, confident, and injury-free.
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Train with confidence. Progress consistently. Perform at your best. Coaching in English & Spanish