100-200-Mile Ultra & Multi-Day Endurance Plan — 24 Weeks for the Ultimate Challenge
This advanced training plan is built for the world’s toughest events: Up to 200-mile races, multi-day stage ultras, or expedition-style challenges like Marathon des Sables or Badwater 135. Over 24 weeks, you’ll develop the physical durability, mental resilience, and strategic preparation needed to succeed in these extreme endurance environments.
What’s included:
5–6 runs per week with progressive back-to-back long days
Strength and conditioning twice per week
Recovery and adaptation weeks to maintain long-term consistency
Who is it for?
Experienced ultra athletes with multiple 50K+ finishes
Runners stepping into multi-day or up 200 mile endurance events
Athletes aiming for iconic events like MDS, UTMB-series 200s, or Badwater
This plan will help you not just survive, but thrive in extreme endurance races — with a smart, structured approach that balances training load and recovery.
For tailored race strategies, heat adaptation guidance, and personal feedback, see our 1:1 coaching options. www.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.