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Intermediate 12-Week Marathon Distance (50-70 miles) MTB Plan w/ Free Coach Email Support

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.

Learn More about Structured Workouts.


Taylor Thomas: TrainingPeaks Level 2 Coach, Founder of TEC

All plans by this Coach


12 Weeks

Includes Structured Workouts

Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.

Learn More about Structured Workouts.

Plan Description

Plan Description

Built on decades of expeirence both personally and working with athletes from around the world, this plan is crafted to help you achieve your marathon distance goals. This expertly periodized training approach ensure that you reach the appropriate volume, while also keeping overall training time lower. This "quality over quantity"approach allows you to train smarter and stay healthy and injury free.

This plan integrates a body weight strength components to build power, leg speed, strength, mobility, and range of motion. Through this training process you'll not only become a more competent mountain biker, but also a more athletic individual overall.

Target Athlete

This plan is great for a seasoned cyclist who is looking to either tackle their first marathon distance race, or for an accomplished athlete looking for a lower volume approach to marathon distance preparation. You should be comfortable with off-road rides in the 3 hour range before embarking on this plan.


You'll have our full support as you embark on this plan. If you have any questions email us directly. We'll happily field questions regarding execution, timing, plan level, and anything else you may need.


You'll have access to TEC's video library of over 150 strength training exercises, mobility work, and full body sessions. You'll also gain exclusive access to our athlete newsletter where you'll get up to date and valuable information on training, nutrition, mental skills, and much more.


This plan integrets a body weight HIIT style strength component that's valuable in helping cyclists build strong and injury proof bodies. There's also time for dedicated mobility work. You'll need a basic foam roller, bands, and a trigger point ball. You'll also need a GPS computer and a heart rate monitor at a minimum to track your progress, and ensure you're managing the intensity of each session properly. To take full advantage of this plan access to a power meter is ideal.


All of the workouts are written using the TrainingPeaks workout builder. This allows you to load them to your device. It also allows you to customize the sessions and switch between power or heart rate based on. your access to equipment.

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


Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Bike x3
04:55:00 04:00:00
Day Off x2
—— ——
Strength x1
00:41:00 00:45:00
MTB x1
02:25:00 05:00:00
Workouts Per Week Weekly Average Longest Workout
04:55:00 04:00:00
Day Off
—— ——
00:41:00 00:45:00
02:25:00 05:00:00

Training Load By Week

This plan works best with the following fitness devices:

  • Power Meter
  • Heart Rate Monitor

All supported devices

Taylor Thomas

Thomas Endurance Coaching

Thomas Endurance Coaching offers one-on-one online coaching that includes athlete assessment, goal setting, individualized training blocks, and full workout analysis. By blending both the science and art of coaching, athletes receive not only the latest in data analysis but a genuine relationship with their coach. You can also choose from pre-built and custom training plans if you're looking for a more self-guided approach to your training.

  • 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.
  • Syncs daily with other popular apps like Garmin and MyFitnessPal.

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.

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