Endurance Training – The Doorway to Success
- Pete Wilby

- 3 days ago
- 3 min read
Endurance isn’t just about going longer — it’s about building a body that lasts, a life that supports progress, and a mindset that refuses to quit. Whether you're chasing your first 5K, a marathon PB, or the finish line of an Ironman, actual endurance training builds confidence, capability, and long-term health from the ground up.
But endurance doesn’t happen by accident. It requires structure, awareness, and discipline. Life needs to be organised so training can be consistent. Nutrition must fuel both effort and recovery. Strength and mobility training keep your body robust, balanced, and resilient to injury. And above all, your goals should be realistic — achieved through deliberate, sustainable work and a mindset that values progress over perfection.
A Person-Based Approach
There is no one-size-fits-all training plan. Every athlete has unique needs, skills, and starting points, so training should always be tailored to meet the individual's specific requirements. Focus first on essential skills. For example, an aspiring Ironman who swims and cycles but rarely runs should begin with short, controlled run intervals focused on technique before increasing volume or intensity. Many new triathletes must learn to swim before they can truly “train.” Bike handling skills also matter — riding slowly, removing a hand to drink, clipping in and out, changing a tyre — these fundamentals build confidence and efficiency. Every athlete is different; your plan should reflect your current situation and guide you toward your desired goal, step by step.
A Science-Based Approach
Endurance isn’t built on luck — it’s built on understanding your body and training with intent. When we use science to guide training, we shift from simply working hard to working purposefully and efficiently — and that’s where real progress happens.
Your physiological markers — LT1, LT2, FTP, and maximum aerobic power or pace are more than data points. They reveal how your engine functions, where your strengths lie, and where focused development will make the most significant impact. Their relationship tells us how to structure training sessions.
For a marathon runner, we aim for LT1 to sit close to LT2, supporting strong and efficient pacing over long distances. For a sprint triathlete, we prioritise a high maximum aerobic capacity and an LT2 close to that ceiling. This isn’t about complicating training; it’s about clarity. When we know your physiology, we can programme sessions that accelerate adaptation, protect you from unnecessary fatigue, and keep you progressing with purpose.
Science provides direction, confidence, and efficiency. When your numbers shift and your performance lifts, you’ll know why — you trained with precision and intention.
You Don’t Have to Train — You Get to Train
Endurance demands commitment, but it should never feel like a chore. Training can be varied, fulfilling, and deeply rewarding, even on the tough days. Consistency remains the most significant predictor of success, and enjoyment fuels that consistency. Reflect honestly on your strengths and areas for development. Understand the gap between where you are now and where you aim to be. Use fitness testing to learn your physiological markers. Explore new routes, mix up your sessions, and incorporate training that genuinely interests you. If you have a coach – be it for all, some, or none of your endurance training- chat to them about this so they know too. When you're excited to train, you show up more often, adapt more effectively, and sustain your journey in the long term.
My Pillars of Endurance Success
· Train as an individual — every human is unique
· Be led by science — measure, don’t guess
· Keep it fun — enjoyment fuels consistency
Mental Endurance Matters
Endurance is as much a mindset as it is a physical pursuit. Set meaningful, measurable goals. Embrace the process, not just the finish line. Celebrate progress, especially the small wins. Discipline carries you when motivation fades, and curiosity keeps you learning and evolving as an athlete.
Final Thoughts
Endurance training is a journey, one built on science, self-awareness, and enjoyment of the process. It requires patience, structure, and a balanced approach to stress and recovery. You don’t become an endurance athlete overnight; you earn endurance through humility, consistency, commitment, and a willingness to learn and enjoy the work. Show up. Be coachable. Train smart. Enjoy the process. You don’t have to do this — you get to do it.












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