Go all in for 2025. Purchase a training plan and get 15% off Premium at checkout for a limited time.

Browse More Plans

Your 50K Mountain Ultramarathon Training Plan with Mental Coaching

Browse More Plans

Your 50K Mountain Ultramarathon Training Plan with Mental Coaching

Author

Dr Kaz Williams

All plans by this Coach

Length

19 Weeks

Plan Description

This dedicated 18-week trail running plan (plus recovery week) is designed for the demands of a mountain ultramarathon between 50-60K with around 10,000ft / 3,000m elevation gain and guided by the Rate of Perceived Exertion (RPE) a simple, intuitive approach to pacing.

WHO IS THIS PLAN FOR?

This plan is perfect for:

• Trail runners transitioning from 20-30K races to 50K distance.

• Experienced athletes seeking structure, purpose, and progression.

• Road runners eager to explore trails and mountain terrain.


PLAN OVERVIEW


This 18-week training plan, plus recovery week, follows a structured approach, featuring 3-4 weeks of progressive build cycles, each followed by a deload week to help your body absorb the hard work and recover effectively.

The plan concludes in a strategic 2-week taper, ensuring you arrive at the start line feeling rested, sharp, and ready to perform your best on race day.

Your Mettle training plan is yours to keep in your TrainingPeaks library. You can start, pause, and reuse it anytime, or jump in at any point, and train on your terms.


TRAINING REQUIREMENTS

Success in ultrarunning starts with consistency and the willingness to explore your limits.

Before you begin:

✓ Be comfortable running 3-4 times per week.
✓ Complete a long run of 8-10 miles (13-16K).


To maximize your progress, access to hills or mountains on weekends is ideal.

No mountains? No problem! A treadmill on incline or strategic hill workouts can build the strength and endurance you need.


TAKE YOUR RUNNING TO THE NEXT LEVEL

If you're driven by curiosity about your limits, eager to race smarter, and ready to elevate your performance, this comprehensive training plan is designed for you.

More than just volume and workouts, this plan equips you with the mental and physical tools to train with purpose and race with confidence.

In addition to expertly structured training, you’ll get:

➡️ Mental training exercises – Build mental toughness, sharpen focus, and develop race-day confidence.

➡️ Long run and ultra-specific fueling tips – Master your nutrition and hydration for sustained energy.

➡️ Effort-based training guidance – Dial in your intensity for smarter, more effective workouts.

➡️ Strength and mobility exercises – Key exercises to enhance durability, efficiency, and injury prevention.

➡️ Tapering blueprint – Execute a perfect taper to arrive at race day fresh, strong, and confident.

➡️ Race day strategy and preparation – Learn pacing, fueling, and mindset techniques to execute your best race.

➡️ Mettle Race Reflections Worksheet – A powerful tool to analyze past races and refine future performance.

➡️ Recovery week guidance – Optimize recovery to avoid burnout and show up strong when it matters.

If you're ready to elevate your fitness, dial in your mindset and go after big running goals - we're here for you!

Start today and take the first stride toward running your strongest ultra yet.

How it Works

Load Your Plan

Quickly view upcoming workouts in the TrainingPeaks app.

Workout and Analyze

Upload completed workouts from your favorite tracking app or device.

Track Your Progress

Get feedback, stay on top of your training and perform at your best.

Learn More

Training Plan Sample Week

Stats

Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x5
05:28:00 04:30:00
Day Off x3
—— ——
Other x1
00:04:00 01:15:00
Workouts Per Week Weekly Average Longest Workout
Run
05:28:00 04:30:00
Day Off
—— ——
Other
00:04:00 01:15:00

Training Load By Week


This plan works best with the following fitness devices:

Mettle by Dr Kaz Williams

mettlerunning.com

Hi, I’m Kaz. I founded Mettle to help you take on trail and ultra running challenges you are curious about, whether that's chasing a PR or your first ultra.

Ready to build physical endurance and mental strength? Great! Our training plans and coaching packages provide more value, and give you the tools, support and inspiration to make it happen.

Because we believe:

  • You have the capability to improve.
  • You can raise your mental game.
  • You are unlimited.

More dirt. Less doubt.

#runwithmettle


  • 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.

Still have questions about this plan?
| Premium

15% Off

Bundle your plan with TrainingPeaks Premium, and you'll unlock our progress-tracking tools, plus the freedom to move workouts to fit your schedule.

$114.74 USD for the first year, billed yearly.

$47.00 - Buy Now