This 24-week program is built for athletes preparing to take on the legendary 100-mile distance or similar. Whether it’s your first 100-miler or you’re aiming to improve on past results, this plan provides the structure, variety, and recovery balance needed to succeed in one of the toughest endurance challenges in sport.
What’s included:
* Training 5–6 days per week with progressive long runs, speedwork, and recovery
* Back-to-back long days to simulate ultra fatigue and build resilience
* Strength and conditioning sessions twice per week for injury prevention and durability
* Strategic recovery weeks to ensure consistency and avoid burnout
* Structured progression to arrive at the start line confident and well-prepared
Who is it for?
* Athletes with at least one marathon or 50k finish under their belt
* Anyone looking for a clear, trusted roadmap to conquer 80-100 miles
Results you can expect:
By following this plan, you’ll develop the physical endurance, mental resilience, and pacing strategy required to cover 100 miles with confidence.
For those who want additional support, personalised feedback, and coaching tailored to their lifestyle, explore our [1:1 coaching options](https://enduraprep.co.uk/online-coaching).
At Enduraprep we coach athletes of all levels — from first-time racers to competitive age-groupers chasing IRONMAN or Gran Fondo World Champs slots. Our athletes have taken on everything from 5 km runs & sprint triathlons to multi-day ultra-marathons & extreme challenges.
We provide remote coaching to athletes worldwide, supported by performance testing (VO₂ max & resting metabolic rate) in South Wales, UK. Plus training camps at our base in training paradise, The Kamnik Savinja Alps, Slovenia.