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PODCAST

The Physiology of Endurance Running Podcast

Dan Nash and Owain Zerilli

This podcast is all about getting sport science research out into the public domain. We cover what we do and don"t know regarding all topics related to endurance running performance and, more importantly, how can we use this information to make ourselves healthier and faster runners! Your hosts are Dr Dan Osborn-Nash, 2:12 marathon runner and sport physiologist for Welsh Athletics and Welsh Triathlon, and Owain Zerilli, MSc student exploring the effects of heat on EPO release and 2:38 marathon

sports running

All Episodes

01:04:37

Why Do You Fatigue During a Marathon

The Physiology of Endurance Running Podcast ·

2026/04/01

Dan & Owain talk through the multifaceted impact of fatigue on a marathon, how it manifests and some overviews on strategies to delay it!A global view episode to set up some more marathon-specific topics as we race through spring marathon season!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR are the producers of the worlds best running apparel, designed to fit the needs of runners that put time and effort into the sport. Check out their awesome kit:

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01:11:00

The Athlete Series: Callum Hawkins

The Physiology of Endurance Running Podcast ·

2026/03/25

Dan & Owain are joined by a runner that doesn't need much of an introduction!Callum Hawkins; 2:08:14 marathon pre- supershoes. 60:00 half. 4th in the World Championships marathon twice (2017 & 2019). Callum talks us through his career so far; the early start in the marathon, his approach to major races, his racing style and the benefits and drawbacks it brings. He also talks about shoes, fuelling, and the Commonwealth Games marathon, as well as his setbacks with injury.We loved talking

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01:41:59

The art of coaching - with David Chalfen

The Physiology of Endurance Running Podcast ·

2026/03/18

Dan & Owain are joined this week by David Chalfen. David currently coaches at Highgate Harriers - one of the most successful clubs in the UK - as well as coaching individuals online and in-person. He's been involved in the sport since the 1980s; as an athlete, coach and working in sport administration. David talks to us about how the landscape of the sport and coaching has changed across his career - from writing a letter to a coach to the rise of online coaching. We also discuss the UK club

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01:33:37

The Science of Trail & Ultra Running - with Dr Simon...

The Physiology of Endurance Running Podcast ·

2026/03/12

Dan & Owain talk about the science of trail and ultra running with Dr Simon de Waal.Simon has recently published a number of papers around the reliability and validity of using lab testing with trail and ultra runners - and talks through why there's a need to devise different testing protocols for these athletes. Simon is a Senior Lecturer at the University of Gloucestershire, and undertook his PhD at Stellenbosch University in South Africa. Simon chatted about his PhD journey; from discovering

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01:21:36

The Do's and Don'ts of Session Design

The Physiology of Endurance Running Podcast ·

2026/03/04

Dan & Owain are back to talk session design. We had a few questions throughout the intensity domain series about actually implementing the training in practice - so we thought we'd talk through how to plan a training week, and the considerations for training sessions in each intensity domain!Let us know what you think - this episode came about because of comments and questions so we're always keen to hear what you think!The Physiology of Endurance Running podcast is proudly sponsored by

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01:28:19

How to apply Training Zones to running

The Physiology of Endurance Running Podcast ·

2026/02/25

Dan & Owain are back for the another installment of the intensity domains series. They talk through how to take intensity domains, and apply training zones that support and quantify your training!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR are the producers of the worlds best running apparel, designed to fit the needs of runners that put time and effort into the sport. Check out their awesome kit: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.soarrunning.com/

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01:15:20

Seville Marathon Recap

The Physiology of Endurance Running Podcast ·

2026/02/19

Dan, Jen & Owain talk through Dan's Seville Marathon - and how exactly Dan went from a week off with an injury, to a 2:11:50 PB!His plans for the next few months are also discussed - some exciting news about this!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR are the producers of the worlds best running apparel, designed to fit the needs of runners that put time and effort into the sport. Check out their awesome kit:

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01:13:29

Meteopace, the game-changing weather app - with...

The Physiology of Endurance Running Podcast ·

2026/02/11

Meteopace has taken the running world by storm (pun intended) since being launched in 2025, and we're extremely excited to be joined by Phil (aka Meteopace Phil), the founder of the app.We dive down some serious rabbit holes about the inner workings of Meteopace - there's an incredible amount behind the scenes driving the app! The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time

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01:02:26

Beyond VO2max - The extreme domain

The Physiology of Endurance Running Podcast ·

2026/02/04

Dan & Owain finish off the intensity domain series with the extreme domain. An intensity domain rarely touched by endurance runners, but still an important intensity to touch - at times!We'll finish off the series with a discussion about mapping training zones to intensity domains!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out

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01:15:15

Physiological failure guaranteed... the severe...

The Physiology of Endurance Running Podcast ·

2026/01/28

Dan & Owain are back to talk intensity domains - on this episode they dive into the severe domain. Beyond the second threshold things become unstable, fast. Severe intensity exercise isn't possible for long, but some people spend more time in this domain than others!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out

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01:30:34

Between Two Thresholds: Everything you need to know...

The Physiology of Endurance Running Podcast ·

2026/01/21

Dan & Owain return with the next installment of the training zone series, talking all things Zone 3, or alternatively the Heavy Domain.What some people call "threshold" - this zone exists between two clear physiological anchor points, but still has a lot of confusion surrounding what happens in this zone, and how to undertake training here.The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners

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01:28:20

Your guide to Zone 2!

The Physiology of Endurance Running Podcast ·

2026/01/14

Dan & Owain are back to talk all things training zones.The first of a multi-part series; they discuss the infamous "Zone 2". We go through the good, the bad and the ugly of this polarising training zone, and share what the science actually has to say about the effectiveness of Zone 2.More episodes in this series to come!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in

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01:53:09

Bonus: Training Talk - Episode 1

The Physiology of Endurance Running Podcast ·

2026/01/11

Dan, Owain and... Jen are back with a big announcement!Launching today - we're on patreon, where we'll be posting bonus episodes, content, and be chatting in the comments. The training talk series with Jen will continue each week, plus extra Q&As, and some more "Road to..." series planned this year!Here's the link if you want to sign up!⁠⁠⁠https://www.patreon.com/cw/TheEnduranceCollective ⁠⁠⁠The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR

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01:18:47

Post-partum running, a scientific approach - with Dr...

The Physiology of Endurance Running Podcast ·

2026/01/07

Dr Megan James joins Dan & Owain to discuss her work around pregnancy & post-partum running. Megan combined surveys and biomechanics to produce the first return-to-run framework aimed at patients!The return-to-run guideMegan talks through how the PhD came about and the lack of any research in the area, undertaking a survey, and the biomechanical measures - some of which are shown on your own running watch!Pelvic floor biomechanics researchThe Physiology of Endurance Running podcast is

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02:02:15

NYE Q&A!

The Physiology of Endurance Running Podcast ·

2025/12/31

One last episode for 2025. Jen is back to help answer some listener questions!Thank you to everyone who's tuned in this year, and the questions that have been sent in. We'll be doing a few more Q&A's next year!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out here

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01:16:57

Running myths... busted!

The Physiology of Endurance Running Podcast ·

2025/12/24

We've all had that relative or friend tell us about the damage we're doing to our bodies by running... but just how wrong are they? We speak to two experts about some common running myths!First, Rose & Jen from Podium Physiotherapy join us to talk about knees, and whether we're damaging them running.We're then joined by Dr Steph Connaire, a consultant cardiologist and runner, to talk about the heart, and if running is bad for our long-term heart health! Podium PhysiotherapySoar

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01:39:38

Road to Valencia 2025 - Training block analysis

The Physiology of Endurance Running Podcast ·

2025/12/17

Jen, Owain & Dan are back to break down their Valencia training blocks!They break down their training by hours, time in zones, sessions, and reflect on what went well, and what didn't!Congrats to our Soar giveaway winner too!The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out here

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01:49:09

Road to Valencia 2025 - Race recap

The Physiology of Endurance Running Podcast ·

2025/12/11

The gang is back from a largely successful trip to Valencia. Jen, Owain and Dan break down their races in Valencia and some early reflections on the training. The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check them out here -⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.soarrunning.com/ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠You can find out more

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01:31:42

Road to Valencia 2025 - 1 week to go

The Physiology of Endurance Running Podcast ·

2025/12/03

Maranoia in podcast-form. The squad is back for their last full week of training before the race. Jen's losing it, Owain's a bit too nonchalant, and Dan is in the best shape of his life.Let us know what you think we'll run! And best of luck if you're racing too!⁠Soar Giveaway⁠⁠⁠⁠⁠⁠⁠⁠The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners that put in time & effort to the sport. Check

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01:10:24

Blackcurrants, the unknown super-supplement? - with...

The Physiology of Endurance Running Podcast ·

2025/12/01

Dan & Owain are joined by Dr Sam Shepherd, Head of Sport Science at Precision Fuel & Hydration, and a researcher who has investigated carbohydrate intake and supplements at Birmingham University and Liverpool John Moores University. Sam has undertaken work to investigate the impact of blackcurrant extract, using the CurraNZ blackcurrants that Dan, Owain & Jen have been using. He talks us through a recent paper about the supplement, as well as wider thoughts about supplements and

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96 results

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