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Mountain Marathon - 50km 18 Week Training Plan - Advanced


Doug Stewart

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18 Weeks

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Plan Description

A dedicated 18 week plan tailored for the unique demands of mountain marathons - up to 50km distance, written by an experienced Coach and Mountain Runner and Sky Runner who has completed many of the hardest mountain races including Trofeo Kima, Tromso Skyrace and the Glen Coe Skyline.

It is 18 weeks long and features 3 build weeks followed by a recovery week and a three week taper.
Designed for mountainous trail races, such as mountain marathons skyrunning events up to c.50km distance.

It is designed for Advanced athletes with multiple years of training - features 2 runs on certain days.
Requires access to hills or a treadmill for certain workouts and a HR monitor.
Time based rather than distance.

Suitable for those looking to finish or those looking for a fast time as optional for harder or easier workouts.
Race day advice provided throughout the plan.

Training Plan Sample Week


Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x7
9:44 hrs 4:00 hrs
Workouts Per Week Weekly Average Longest Workout
9:44 hrs 4:00 hrs

Training Load By Week

This plan works best with the following fitness devices:

  • Heart Rate Monitor

All supported devices

Doug Stewart

TMR Coaching

TMR Coaching are here to help you reach your goals in endurance events. We offer bespoke coaching packages and training plans for some of the toughest events on the planet.

Coaching for:

  • Ultra running
  • Mountain & sky running
  • Endurance and extreme triathlon


  • Specialised running and triathlon training plans
  • Performance analysis making use of latest technologies (WKO5, Best Bike Split, Running Power Meters)
  • Strength & conditioning
  • Mental training and race planning
$25.00 - Buy Now