Distance: 100 mile (161 km)
Skill / Level: Competitive (ultra-trail focus)
Duration: 24-48 weeks
Workouts per week: 7–14
Weekly hours: 9-14
Includes: Running, Strength, Mobility, Stretch
Who is this plan for?
This plan is designed for competitive ultra-trail runners preparing for a 100-mile mountain race, including events in the UTMB® 100M Category.
It is best suited for experienced athletes with a strong background in ultra-distance racing (100K and above) and several years of structured training. If your goal is to race 100 miles at a high performance level, sharpen your execution, and maximize your endurance and strength for technical and demanding terrain, this plan is for you.
What you’ll get
A performance-focused plan written in English by experienced trail running coaches at Arduua.
Running workouts prescribed by time and heart rate zones (not distance), ensuring optimal individual adaptation.
Strength, mobility, and stretch sessions with clear instructions and video support.
A structured build-up that balances high training loads with recovery to prepare you for the extreme demands of 100-mile competition.
Plan Structure
The plan follows the proven Arduua Training Methodology, progressing through focused training phases:
Base Phase
Maintain aerobic fitness and durability
Enhance functional strength, mobility, and stability
Strengthen key muscle groups and foot/ankle structures
Specific Phase
Develop thresholds (aerobic and anaerobic) for racing
VO₂ max and high-intensity climbing sessions
Trail-specific conditioning for technical terrain
Pre-Competitive Phase
Ultra-specific long runs and back-to-back weekends
Race simulations for pacing, fueling, hydration, and equipment strategy
Maintain peak strength and plyometric power
Taper + Competition
Gradual reduction in training load for peak freshness
Arrive on race day fully fit, confident, and sharp
Nutrition and fueling strategies for taper week and race execution
Requirements
A Trainingpeaks -compatible training watch
An external chest strap heart rate monitor (wrist-based HR is not accurate enough for this plan)
How it works
You buy the plan here in the webshop, and you will receive an order confirmation email from us.
The first thing you need to do is to install and Synk your Trainingpeaks app, and connect to Arduua Trail Running Coaching at TrainingPeaks.
After that you have added Arduua Trail Running Coaching as your coach, it will take a couple of days for us to add your plan into your Trainingpeaks account.
Additional Services
Personal Coaching
Personal Coaching is NOT included in this plan, and if you are looking for that kind of service, we recommend you to sign up for Arduua Trail Running Coaching instead.
Questions?
If you have any questions, please contact info@arduua.com.