Welcome to UNTAPPED with Spencer Matthews, the #1 podcast for runners. Every Monday Spencer speaks to world-class athletes, coaches and experts about the habits, training methods and mindset behind elite performance, featuring guests like Mo Farah, Alistair Brownlee and Stephen Scullion. From sprints, to 5K, 10K, half-marathon, and marathon distances we dive deep into the ways that you can run faster, longer and smash your PB’s. On Thursdays Spencer is joined by expert Physiologist Oli Patrick to breakdown the science behind the latest health and fitness topics like sleep, zone training, caffeine and more. Whether you’re just starting out, chasing a new PB, or simply trying to become fitter and healthier, UNTAPPED is here to help you untap your potential. Hosted on Acast. See acast.com/privacy (https://acast.com/privacy) for more information.
What this show covers
runningrecoverymarathon trainingsupplementsmindsetnutritionsleeprace strategyrunning mindsetperformancerunning trainingsprintingfuellingendurancespeed training
What listeners will find here
Paula Radcliffe on pacing, resilience, and the training behind 2:15
Paula Radcliffe breaks down the training, mindset, and resilience behind her 2:15 marathon. She gets into pacing, flexibility, listening to your body, and how setbacks reshaped her view of performance and the sport itself.
Could low iron, vitamin D, or B12 be the real reason your running feels harder?
This episode looks at three common nutrient deficiencies—iron, vitamin D, and B12—and how they may affect energy, health, and running performance. Oli Patrick covers warning signs, when blood testing might help, and why more supplements aren’t always the fix.
Olympic sprinter Daryll Neita on why getting faster starts with running better
Olympic sprinter Daryll Neita breaks down what it really takes to improve speed, from strength-building winter work to short, explosive sessions on the track. She also shares practical advice everyday runners can use to stay healthy and train more effectively.
Magnesium for runners: useful recovery tool or overhyped supplement?
Magnesium is the focus here, with Spencer Matthews and Oli Patrick unpacking whether runners actually need it. They explore possible effects on sleep, recovery, and performance, while weighing supplement claims against the bigger role of diet.
Nick Bester on marathon mistakes, patience, and the long road to 2:19
Marathon training and racing are the focus here, with Nick Bester sharing the rules he believes runners shouldn’t break and the lessons behind his climb from a 3:17 debut to a 2:19:45 marathon. It’s a practical, mindset-heavy conversation about patience, fuelling, failed attempts, and chasing steady progress over years.
Episodes
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