Evidence-based coaching, from a coach who helped build the evidence.
Summit's coaching is grounded in original, peer-reviewed research on triathlon training load and coaching practice — five publications and a 95-athlete dataset. But the point was never the citations. It's that the science gets translated into better decisions in your training week.
Evidence sharpens judgement. It doesn't replace it.
"Evidence-based" is an easy phrase to use. At Summit it means something specific. Leighton's PhD examined how experienced coaches actually make training-load decisions — and found a real gap between what the literature recommends and what good coaching demands in the messy reality of age-group life. That finding is the foundation of the whole model: data gives you the reference point; coaching gives the decision.
So your training load is prescribed and monitored against objective data, your progress is read against research, and the why is always explained — but the final call always accounts for the human carrying the load. That's Measurement + Meaning = Decision, and it's why research-led here doesn't mean rigid.
Published research, in his own name.
Five peer-reviewed publications between 2023 and 2026 on coaching technology, training-load practice, and the differences between evidence and real-world coaching — plus a PhD thesis and an objective dataset of 34,731 training sessions from 95 age-group triathletes across 25 countries.
IJSSC · 2023
ISCJ · 2024
IJSSC · 2025
Frontiers in Sports and Active Living · 2026 (in press)
On the science, honestly.
What does evidence-based triathlon coaching actually mean?
It means decisions are informed by sport-science research and objective data — your training load is measured, interpreted, and explained. At Summit that's more than a label: Leighton holds a PhD in training load and has published peer-reviewed research on how triathlon coaching actually works, so the evidence shapes your week directly.
Does being research-led make coaching rigid?
No — the opposite. Leighton's own research found a real gap between what the literature recommends and what good coaching requires in practice. Evidence sharpens judgement; it doesn't replace it. The data informs the decision; the human context decides it.
What makes Summit's coaching genuinely evidence-based?
Leighton has contributed to the science directly — five peer-reviewed publications between 2023 and 2026, and a dataset of 34,731 training sessions from 95 age-group triathletes. That depth changes how training is prescribed, monitored, and explained.
Coaching that can show its working.
If you want a coach who can explain the why — and back it — let's talk. Tell Leighton your goals and where your training is now.