80/20 Running: Marathon Level 0 (Power-based, 2.5 to 5 Hours per Week)

Average Weekly Training Hours 03:34
Training Load By Week
Average Weekly Training Hours 03:34
Training Load By Week

80/20 Endurance

Plan Description

Meticulously crafted from the principles laid out in Matt Fitzgerald's best-selling book 80/20 Running, this Marathon Level 0 training plan will provide the athlete with the same workout structure used by the most successful runners in the world. Each week, cycle, and the complete 18-week plan has been specifically formulated to match the research articulated in Fitzgerald's publications and ensures the runner adheres to the 80/20 principle.

Target Athlete

This plan in intended for athletes without a running background attempting their first Marathon event. You should be able to comfortably run for at least 30 minutes before you start the plan.

100% Structured Workouts

This plan leverages the TrainingPeaks.com structured workout feature with power-based workouts. On supported devices, including many Garmin models, each workout can be exported to the device, which will automatically guide you through the session with duration, lap, and intensity prompts. Workouts do not have to be exported to be performed effectively, as the detailed descriptions provide all the information you need to successfully complete the workout. See our Structured Workout page for more information.

Level Guarantee

Not sure which level is right for you? Each 80/20 plan comes with a Level Guarantee: if you discover that the level you have selected is too hard or too easy for you, simply contact us for a complimentary switch to a different level within the same distance category.


Robust support resources and documentation for your plan, including zone guidelines, can be found at the 80/20 Resources page. Purchasers of this plan will be able to contact the authors Matt Fitzgerald and David Warden directly in order to request clarification on any items that may be unclear in the plan.

Bundles and Subscriptions

Save up to 50% when you bundle an 80/20 plan and a TrainingPeaks.com Premium subscription with our Bundles and Subscription offerings.

Sample Day 2

5 minutes in Run Zone 1, 10 minutes Run Zone 2, 5 minutes Run Zone 1

Sample Day 3
RF1 or Cross Train

5 minutes in Run Zone 1, 10 minutes Run Zone 2, 5 minutes Run Zone 1

Sample Day 72

5 minutes Run Zone 1, 25 minutes Run Zone 2, 12 minutes Run Zone 3

Sample Day 73
RF4 or Cross-Train

5 minutes in Z1, 25 minutes Z2, 5 minutes Z1

Sample Day 75

15 minutes Run Zone 1, 3 x (4 minutes Run Zone 3/2 minutes Run Zone 1) 5 minutes Run Zone 1

Sample Day 76
RF3 or Cross-Train

5 minutes in Z1, 20 minutes Z2, 5 minutes Z1

Sample Day 77

5 minutes in Z1, 110 minutes Z2, 5 minutes Z1

David Warden
80/20 Endurance

David is an internationally recognized coach and author with current and former clients that include World Age Group Duathlon champions, Guinness World Record triathlon holders, and multiple full and 70.3 Ironman World Championship qualifiers. He is the co-author of 80/20 Triathlon with Matt Fitzgerald. His personal athletic resume consists of 40 first place overall wins in triathlon and duathlon.