Norseman Xtreme Triathlon Training Plan | Horsepower Coaching
Norseman Xtreme Triathlon Training Plan | Horsepower Coaching
Length
17 Weeks
Plan Description
Norseman Xtreme Triathlon Training Plan 2026 | 17-Week XTRI Programme
Searching for a Norseman training plan or Norseman Xtreme Triathlon programme? This 17-week plan is the most demanding in the Horsepower Coaching range, built specifically for Norseman, the hardest triathlon on the planet.
Athletes jump from a ferry into Hardangerfjord at 5am, swim 3.8km to shore, cycle 180km with over 5000m of climbing through the Norwegian mountains, and then run a 42km mountain marathon finishing at the summit of Gaustatoppen. Only those who qualify for the black t-shirt get to the very top. Preparation for Norseman is not like preparation for any other event. This plan reflects that.
Volume builds from 13 hours per week in Block 1 to 17 hours in the final build block, the highest load in our plan range. Open water swimming is prioritised across two to three sessions per week. The bike program is built around sustained climbing capacity and extreme fatigue resistance. Run sessions build mountain durability and altitude-ready endurance.
Written by Horsepower Coaching, coaches to IRONMAN Wales winners (2023 and 2025), 70.3 World Championship podium athletes (2024), XTRI Norseman World Championship podium finishers, XTRI Celtman podium finishers, Haute Route podium athletes and UCI Continental Professional cyclists. Visit www.horsepowercoaching.co.uk.
This Norseman Xtreme Triathlon training plan is self-guided with no coach contact. For experienced athletes with full-distance triathlon experience. Align Week 17 with your Norseman race date.
How it Works
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Training Plan Sample Week
Stats
Average Weekly Breakdown
| Workouts | Weekly Average | Longest Workout |
|---|---|---|
|
Run
x3
|
03:08:00 | 02:35:00 |
|
Swim
x2
|
01:53:00 | 01:30:00 |
|
Bike
x2
|
05:10:00 | 05:03:00 |
|
X-Train
x2
|
—— | —— |
| Workouts Per Week | Weekly Average | Longest Workout | |
|---|---|---|---|
|
|
03:08:00 | 02:35:00 | |
|
|
01:53:00 | 01:30:00 | |
|
|
05:10:00 | 05:03:00 | |
|
|
—— | —— |
Training Load By Week
This plan works best with the following fitness devices:
- 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.
- Completed workouts sync with popular apps like Garmin and Wahoo. Learn More
- If plan includes Structured Workouts, then planned workouts sync to compatible devices and guide you through workouts in real time. Learn More
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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Save 20%
Premium unlocks smarter training with advanced analytics, TrainingPeaks Virtual, and Structured Strength to give you deeper insights and data-backed results.
$107.99 USD for the first year, billed yearly.