
Evidence-based coaching, biomechanics and performance testing for elite and amateur endurance athletes. From WorldTour teams to dedicated age-groupers.
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Trusted by WorldTour professionals and passionate amateurs alike. We work with every athlete according to the personal goals that drive them — whether that's winning a Grand Tour or winning the weekly coffee shop sprint.
Featured AthleteCoached by John Wakefield

This short how-to explainer with PDF download is an accompaniment to the recent article on Heat Training for Cyclists by Dr David de Klerk.
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S2S Coach & bike fitter Darrel Fitzgerald has done thousands of S2S lab bike fits in the last 7 years, many of them for WorldTour pros.
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John Wakefield is a WorldTour high performance cycling expert. How to plan, time & execute interval training as you build towards a goal.
Read articleS2S coaches and sport scientists work across four WorldTour professional cycling teams and the No.1 ranked global mountain bike programme. Athletes from at least 4 WorldTour men’s teams and 3 WorldTour women’s teams use our laboratories — as do 4 of the top 20 global Ironman athletes.
Source: Science to Sport internal data
Cape TownHome to the Absa Cape Epic, the Cape Town Cycle Tour — the world's largest road race by participation — and one of the most extensive mountain bike trail networks anywhere. Our lab at SSISA sits at the centre of South Africa's endurance sport community.
Explore Cape Town
GironaWidely regarded as the cycling capital of Europe. A decade of growth has turned Girona into a hub for professionals and amateurs alike, with a thriving cycling industry, old town cafe culture, world-class roads, and year-round riding conditions at the foot of the Pyrenees.
Explore GironaWhether you're chasing a WorldTour contract or a personal best, our coaches and scientists are ready to help you get there.