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The Performance Margin
Writing at the intersection of aviation human factors and endurance sport.
This blog covers the full picture of endurance performance - training structure, pacing, fuelling, recovery, human factors, and the decisions that separate good preparation from great execution.
Articles are written for runners, cyclists, and triathletes who want to understand the reasoning behind their training, not just follow a plan.
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The Coaching Philosophy I Learned in a Cockpit, Not on a Start Line
I've spent a large part of my working life watching people perform under pressure. Not in a gym, and not at a finish line - in aviation, where the quality of someone's thinking under load isn't measured in seconds off a PB. The stakes are rather higher than that. That's where my coaching philosophy comes from. Not from a textbook on periodisation, and not from my own race results. From human factors; the discipline that studies how capable people make poor decisions when they

Steve Barbour
Jun 94 min read


What Aviation Can Teach Sport and Business About Trust and Safety
Aviation is one of the safest industries in the world - not by accident, but by design. Through decades of hard-earned lessons, aviation has created systems and cultures that prioritise safety, performance, and trust. These same principles, especially around communication, non-punitive reporting, and learning from error, hold powerful lessons for sport and business. In this post, we explore what coaches, managers, and leaders can borrow from the cockpit to build stronger, saf

Steve Barbour
Jun 23, 20254 min read


How to Build a Just Culture in 3 Steps (Without Losing Control)
I joined the RAF back in 2016, after the findings of Haddon-Cave’s Nimrod review . The changes to culture were already well and truly progressing, and by the time I had completed training, I was in an organisation that was living and breathing Just culture. Whether everything was spot on is a different discussion, but I hadn’t experienced life before. Flying training through a civilian school showcased a different attitude to culture in aviation Creating this Just Culture do

Steve Barbour
Jun 16, 20254 min read


Why Blame Kills Performance (And Trust)
In aviation, sport, and leadership, few things erode trust faster than blame. In high-performance environments, where human error is inevitable, the way we respond matters more than the error itself. This article explores how blame destroys psychological safety, how Just Culture offers a better path, and why distinguishing between honest mistakes, risk-taking, and negligence is crucial for any high-performing team. This was the Mansfield 10k back in September 2024. I was in d

Steve Barbour
May 12, 20254 min read


What Just Culture Really Means (And What It Doesn’t)
As human beings, we are all fallible. Mistakes occur, despite knowing every Human Factor at play and identifying the potential for errors to creep into our daily avtivities. Still, they happen. In the complex and high-stakes world of aviation, safety is the top priority. To maintain and continuously improve this safety, the aviation industry relies not only on technology, regulation, and training but also on culture. One concept that has emerged as a cornerstone of modern saf

Steve Barbour
May 5, 20253 min read
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