Training Plan

100 Miles trail ultra

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📋 RACE DAY ADVICE

🗓️ 18 WEEKS

🏃🏼‍♀️ INTERMEDIATE

🏋️ STRENGTH & CONDITIONING

⭐️ TOP RATED · TRUSTED BY 100s

Go long with a 100-mile trail running training plan designed to get you to the finish line or improve on previous times - flexible, easy-to-follow sessions that sync to your watch, plus strength workouts and tips.

A dedicated 18 week training plan tailored for the unique demands of trail ultra marathons up to 100 miles in distance.

Designed for athletes who are comfortable running a minimum of 3hrs 30 minutes and ideally completed an ultramarathon of at least 50 miles.

Great if you’re looking to finish your race or to improve your time - options for harder or easier workouts.

  • 3 build weeks + 1 recovery week blocks

  • 3 week taper

  • Progressive strength & conditioning plan (stability → strength → power)

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 100-mile ultras including the UTMB and 100 Miles of Istria; while coaching multiple finishers of UTMB, Western States, and UTMB World Series 100-milers.

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

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Includes Basic TrainingPeaks account

For experienced runners

Time based rather than distance

Requires access to hills or a treadmill

Race day advice

Strength and conditioning

Syncs with your watch


Your Plan preview

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Right plan for your goal, but need some tweaks?

🏃‍♂️ Run only plan (No S&C)

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