Triathlon and Endurance Coaching in North Wales and Online

Structured coaching for swimmers, triathletes, and endurance athletes who want to improve with purpose. Build fitness, sharpen technique, and train with a team that helps you progress with confidence.

Welcome to TCC Endurance

Take a look at what TCC has to offer and build your fitness with us

Collage of athletes: one swimming in open water, one running towards the finish line, one cycling on a road in a desert landscape, and one running in a race.

Who are we?

Coaching that meets you where you are — and moves you forward

At TCC Endurance, we help athletes train with more structure, more clarity, and more confidence.

Whether you are starting your first triathlon, trying to become a stronger swimmer, returning to training after time away, or looking for better support across swim, bike, run, and strength, we give you coaching that is built around real progress.

We are based in North Wales and also support athletes online, combining expert coaching, practical feedback, and a strong community environment to help you improve in a way that feels purposeful and sustainable.

What People Are Saying

  • “The coaching is a level above what I’ve experienced before. Attentive, knowledgeable, adaptive, and patient.”

    — Bill Bellamy

  • “You made me feel so welcome from the start. I now genuinely look forward to coming each week.”

    — Sarah-Lou Thomas

  • “It was my first lesson and I made good progress straight away. Great atmosphere and highly recommended.”

    — James Dunne

Collage of four photos: two people at an indoor event, two people at a lakeside with medals, a man swimming in open water with a blue swim cap and goggles, and a smiling woman in athletic gear with a pink visor.

The People Behind  TCC Endurance

Our coaches, Chris Wallace, Chris De Rycke, Kylie Mansfield & Tim Nunn, bring over 20 years of experience and a strong foundation in sports science and nutrition, paired with top-level British Triathlon certifications.

We deliver personalised, results-driven training tailored to your goals. Whether you're tackling your first triathlon or aiming for age group success, we’ll help you train smarter, build confidence, and thrive, in and out of the water.