Private swimming and triathlon coaching in Zurich–Thalwil

World-class coaching for adults, triathletes, Masters swimmers and competitive athletes. Whether you're learning to swim, preparing for your next race or looking to understand the water more deeply, every session is tailored to your goals and the way you learn best.

Understand the swimmer. Understand the water.

Every swimmer is different. My role is to understand how you move, how you learn and what will help you improve. Together we'll build confidence, technique and performance in a way that works for you.

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35+ Years Coaching Experience
Olympic, World & International Athletes Coached
Loughborough University – Sports Science
Former Head Coach – Schwimmclub Uster

Adult Beginners & Water Confidence

Whether you're learning to swim for the first time or overcoming a fear of water, Marcus creates a calm, supportive environment where confidence develops naturally. Every session is tailored to how you learn, helping you understand the water and enjoy swimming at your own pace.

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Performance Swimming

Refine your technique with world-class coaching for Masters swimmers, competitive swimmers and athletes who want to swim more efficiently. Through stroke analysis, video feedback and a deeper understanding of the water, you'll develop faster, smoother and more effective swimming.

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Open Water Swimming

Develop the confidence, skills and judgement to enjoy swimming safely in open water. Whether you're preparing for a triathlon, your first lake swim or simply want to feel at home outdoors, Marcus will help you understand the environment as well as your swimming.

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Marcus Smallbone

Swimming Coach Educator Sports Scientist

35+ years coaching experience
Loughborough University – Sports Science
Coached Olympians, World & European medallists and international athletes
Current British Masters record holder and World Aquatics all-time Top 10 ranked Masters swimmer