Training Plan

trail ultra marathon

50 miles to 100 km

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📋 RACE DAY ADVICE

🗓️ 18 WEEKS

🏃🏼‍♀️ INTERMEDIATE

🏋️ STRENGTH & CONDITIONING

⭐️ TOP RATED · TRUSTED BY 100s

Train for the classic trail 100km distance with a structured 18-week training plan that builds strength and skills for rolling off-road terrain.

A dedicated 18 week training plan tailored for the unique demands of trail ultra marathons - from 50 miles up to 100 km distance. Great if you’re looking to finish your race or to improve your time - options for harder or easier workouts.

Excellent for experienced road runners transitioning to trail.

  • 2 or 3 build weeks + 1 recovery week blocks

  • 2 week taper

  • Progressive strength & conditioning plan

Written by Coach Doug Stewart, an experienced trail running Coach and Mountain Runner, and ultra runner who has completed many of the world’s most iconic races including Grand Trail des Templiers, Trofeo Kima, Tromso Skyrace, Glen Coe Skyline and UTMB.

BUY FOR $30

This plan is bought on & delivered through TrainingPeaks - the most trusted and widely used platform for endurance training plans, on mobile & desktop

Secure checkout · Create free account · Lifetime access · Start anytime

Includes Basic TrainingPeaks account

For intermediate runners

Time based rather than distance

Requires access to hills or a treadmill

Race day advice

Strength & conditioning sessions

Syncs with your watch

Your Plan preview

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SOME MORE PLANS…

Right plan for your goal, but need some tweaks?

⏳ 12-week plan

🏃‍♂️ Run only plan (No S&C)

frequently asked questions

  • TrainingPeaks is an online training platform designed for athletes looking to track and optimise their performance. A TrainingPeaks training plan is a programme tailored to an individual's specific fitness goals and needs. It includes a comprehensive overview of workouts, as well as metrics such as pace, distance, heart rate and power output.

    The plan can be followed in real-time using the app or web platform, allowing you to measure your progress and adjust the plan accordingly over time. With its highly customisable interface, TrainingPeaks provides an effective way for athletes to reach their performance goals.

  • Follow the step by step process of buying and applying a TrainingPeaks plan to your account here.
    Using a TrainingPeaks training plan is simple and intuitive. You’ll be able to set your individual settings on the website and receive daily prompts for the workouts of the day. You can also customise the plan’s starting date.

    If you have any other questions on a plan you’ve bought from us, don’t hesitate to contact us directly.

  • When you purchase a TMR Coaching plan, you’re getting a highly specific programme to prepare for your chosen goal. However, this plan doesn’t adjust after you’ve applied it to your account, and it won’t account for any unforeseen events like missed sessions or needing to change workouts around. Whilst you can make adjustments to your plan yourself, if you’re in doubt about how to better personalise your plan, you’ll appreciate an individual coaching contract instead.

    As a coached athlete, you’ll also be able to communicate with us freely, ask us additional questions, and conduct regular reviews of your progress. These then enable us to personalise your plan even more.

    Finally, if you’re a coached athlete, you’ll also benefit from specific race prep such as timing and nutrition advice, race specific workout sessions, and more. Learn about our coaching services.