Kaz Williams
What you'll find here
Ideas that close the gap between who you are and who you’re capable of being.
The psychology
Performance research translated into practical tools for work, sport and the hard days in between.
The stories
Honest accounts from the mountains and the miles: what breaks you, what builds you, and what you learn when help is not coming.
The practice
Habits, mental frameworks and everyday disciplines drawn from endurance sport and made practical for real life.
About Kaz
Hi, I’m Kaz
Kaz Williams brings performance psychology, endurance experience and practical mental skills together for runners and athletes who want to build confidence, cope with challenge and perform with more intent.
With a PhD in ethnography and an MSc in Sport and Exercise Psychology, Kaz has studied how people perform under stress and adversity. Her work explores confidence, courage, resilience and mindset, and how those qualities shape both sport and everyday life.
Through Mettle and her own writing, Kaz shares grounded tools for mental training, honest reflections from endurance sport and ideas that help people adapt when the wheels come off.
Videos
Mettle TV
Short, practical videos on confidence, discomfort, discipline
and the mental side of endurance.
Free Newsletter
Mettle Notes
Honest, practical, no filler.
Written by Kaz - from Chamonix, usually before 6am.