Distance: 10 km
Skill / Level: Intermediate
Duration: 8 weeks
Workouts per week: 5–7
Weekly hours: 4–6
Includes: Running, Strength, Mobility, Stretch

Who is this plan for?

This plan is designed for intermediate trail runners with at least 1–2 years of consistent training who want to prepare for a 10K trail race in just 8 weeks. Ideal if you already have a good base and want a focused, structured plan to improve speed, endurance, and trail-specific performance before race day.

What you’ll get

A focused 8-week plan written in English by experienced trail running coaches at Arduua.

Running sessions based on time and heart rate zones (not distance), ensuring training is personalized to your fitness.

Strength, mobility, and stretch workouts with detailed instructions and video links.

A smart balance of volume, intensity, and recovery—helping you get the most out of limited training time.

Plan Structure

This plan follows the proven Arduua Training Methodology, condensed into 8 targeted weeks:

Base Phase

Build aerobic endurance and overall conditioning

Improve mobility, core strength, and stability

Strengthen foot and ankle structures for trail demands

Specific Phase

Develop aerobic and anaerobic thresholds

Improve VO₂ max and running economy

Advance strength and trail-specific power

Pre-Competitive & Taper

Train race-specific pacing, intensity, and terrain handling

Refine nutrition, equipment, and fueling strategies

Reduce training load before the race to arrive sharp and energized

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 8-week intermediate plan, you’ll sharpen fitness, build trail-specific strength, and arrive at your 10K trail race confident, strong, and ready to perform at your best.