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100 Mile Trail Race - 24 week Training Plan by Eric Orton


Eric Orton

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4.67 (3)


24 Weeks

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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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Plan Description

This 24-week 100 mile Ultra Run training plan requires the use of a heart rate monitor. It was designed by Eric Orton using his proven training principles developed from 11 years of coaching experience. It works well for seasoned runners and following this plan will prepare you for your 100 miler by including all of the elements used by Eric in training his personal coached ultra runners. To start this plan you should have completed 1 or more 100 mile races and have a goal of improving your personal best race time. Or have an experienced background in running, including marathons and shorter ultras. The workouts included in most weeks alllow you to customize the plan to your capacity for weekly volume. Weekends are very specific, with a focus on "quality" back to back runs. The exception is in R&R weeks every fourth week when training is greatly reduced for 4-5 days. These R&R weeks will allow for adaptation and improved performance.

Training Plan Sample Week


Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Run x6
4:11 hrs 3:00 hrs
Day Off x2
—— ——
Workouts Per Week Weekly Average Longest Workout
4:11 hrs 3:00 hrs
Day Off
—— ——

Training Load By Week

This plan works best with the following fitness devices:

  • GPS

All supported devices

Eric Orton


Triathlon, running, cycling.

Provide coaching services for professional and age group athletes. Services include Personal Coaching and Online Plan.

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