Dan Nash and Owain Zerilli

The Physiology of Endurance Running Podcast

Sports EN ↓ 110 episodes

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 runner

Author

Dan Nash and Owain Zerilli

Category

Sports

Podcast website

www.buzzsprout.com

Latest episode

Jul 8, 2026

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Episodes

The Athlete Series - Jake Barraclough (Ran To Japan) 13.08.2025

Dan & Owain are joined for another installment of The Athlete Series by Jake Barraclough, also known on YouTube as Ran To Japan . Jake is famous for his "train harder, not smarter" approach, logging 250km+ a week of running in Japan. Jake has documented his journey in Japan, from training alone to joining in with some of the legendary corporate teams, in a completely unique running c...

Female physiology, with Dr Emma Ross 06.08.2025

Dan & Owain are really excited to be joined by Dr Emma Ross. Emma has worked in academia, as Head of Physiology for the EIS across 2 Olympic cycles, and now at The Well-HQ, a consultancy dedicated to changing the system around women and girls in sport, fitness and wellness. We follow Emma's career, from pure research to the applied field, and her transition into being a champion of female phys...

The Athlete Series: Kris Jones 30.07.2025

Dan & Owain are joined for another episode of The Athlete Series by Kris Jones. Kris is an elite trail runner, sponsored by Hoka and supported by the Elite Trail Team. He's had GB vests in Cross Country, Track, Trail, and Orienteering! The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners t...

The physiology of training load 23.07.2025

Dan & Owain are back to talk about training load. We're all familiar with training load metrics on our training platforms of choice, but the science behind training load metrics can help and hinder training and performance planning. 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...

The Athlete Series: Alistair Brownlee 16.07.2025

Dan & Owain are back with another installment of The Athlete Series, with an athlete that dominated the triathlon world for many years, 2-time Olympic gold medalist Alistair Brownlee. Alistair tells us about his training, how he was able to consistently train for over 30-hours a week throughout his career, technology changes, triathlon tactics, and fueling. Check out Alistair's new range o...

Super shoes - with Dr Dustin Joubert 09.07.2025

Dan & Owain are joined on today's episode by Dr Dustin Joubert. Dustin is an associate professor at the University of Louisiana, researching super shoes and their impact on running performance. Dustin also runs the popular labratrundown account on instagram - where he shares testing data on super shoes. Dustin talks about how super shoes work, some of the research he's conducted includ...

The physiology of skeletal muscle 02.07.2025

Dan & Owain are back to talk skeletal muscle. A first deep dive into the topic, they talk through skeletal muscle, clear up some myths and misundertandings about muscle fiber types, and tie-in some of the recent guest's talking points about training. The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the nee...

Strength & Conditioning - with Dr Rich Blagrove 25.06.2025

Dan & Owain return to the topic of S&C, this time bringing in the leading authority on the topic, Dr Rich Blagrove. Rich is a lecturer at Loughborough University, and has a deep history as both an applied S&C coach and a researcher. Rich talks about the impact S&C can have on running economy, durability, and injury prevention, as well as the ways to go about adding S&C to your...

Applied sport science, Breaking-2, and Breaking-4 - with Professor Andy Jones 18.06.2025

Dan & Owain are joined by sport science royalty on today's episode. Professor Andy Jones joins the boys to talk about his wealth of applied sport science work; having worked closely with Paula Radcliffe, Eluid Kipchoge, and recently Faith Kipyegon, to name a few. Andy also has a breadth of research, on topics that have featured in previous episodes of the podcast! A fantastic chat, coverin...

The Athlete Series: Jenny Nesbitt (+ an announcement) 11.06.2025

In the second installment of The Athlete Series, Dan & Owain chat to 2x Welsh Commonwealth Games representative, Jenny Nesbitt. Jen talks through her career, and the changes in training and mindset from juniors to seniors. Dan, Owain & Jen also make an exciting announcement! If you're interested in being coached by Dan, Jen or Owain, check out The Endurance Collective ! The Physiology...

Sirpoc - the creator of the "Norwegian Singles Method" 04.06.2025

Dan & Owain welcome James to the podcast. James, known online as Sirpoc, talks about his approach and journey from a 28 minute parkrun, to a 2:24 marathon. James documented his training through the letsrun forums, and has been able to create a training framework that has struck a chord - and been successful for many others - in allowing controlled and sustainable training. The Physiology of En...

The Athlete Series: Phil Sesemann 28.05.2025

Dan & Owain chat to 2024 Olympian & 2:08 marathon runner, Phil Sesemann! Kicking off a new series - chatting to elite athletes about how they've interacted with sport science throughout their careers, we dig into Phil's running journey from middle-distances to the marathon, and how sport science has featured along the way. Let us know which athletes you'd like to hear from in the future! T...

How to improve your running economy + Owain's ACP 100K recap 16.05.2025

(00:00) Intro (03:30) Anglo Celtic Plate recap (38:30) Economy discussion We've done deep-dives into VO2max and thresholds, but here we cover the final final determinant of performance, running economy. First, we define what economy means and how do we measure it, before discussing what the research has to say on how best to improve it. The Physiology of Endurance Running podcast is proudly sp...

Listener Q&A 02.05.2025

Dan & Owain catch up on their running before diving into some listener questions. Lots of topics covered - London marathon, pacing, heat, career paths, which animal we could take in a race. Apologies if we didn't get to your question! The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners th...

The physiology of tapering 16.04.2025

We're deep within marathon season, and chances are you're tapering for a race! Dan & Owain talk through some of the research about the taper, before giving some practical advice on applying the evidence to your running! 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 &amp...

Road to London-3 weeks to go 08.04.2025

After a week away in West Wales, spent mostly cycling, Dan has come to a decision about London marathon! Dan & Owain talk through the week of training before discussing plans for the rest of the training block. 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...

The physiology of ultra marathons 04.04.2025

We take our first foray into the physiology of ultra-marathons and ultra-distance events! The breadthe of different events on offer, once you go beyond 42.2km means many different factors at play! Dan & Owain talk through some of the physiology at play - how it differs and how it might be pretty similar to other distance running events! By no means our only episode on ultras - more to come on...

Road to London- 4 weeks to go 01.04.2025

A month from the big race, and unfortunately Dan has hit another setback in his training. Dan's facing some knee pain, and has turned to the bike. We wanted to get an episode recorded and released on Tuesday as normal for you given the training update! The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs...

Road to London- 5 weeks to go 25.03.2025

Dan is back to training, and takes us through his comeback, a risky double session, and a visit from UK Anti-Doping. Apologies about the audio, recorded in person! 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 - ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠...

Periodization... or performance planning 21.03.2025

A common theme in training books is "periodization"... distinct focusses of training across a 12-week marathon block. But what does research say about periodization, and how is it implemented in elite athletes? Could you plan your training better? Dan & Owain talk about periodization, and the concept of "performance planning" on this week's episode. The Physiology of En...

Road to London- 6 weeks to go 19.03.2025

Back for another installment of Road to London, and unfortunately Dan's week has been plagued by illness! Dan & Owain talk through the reduced week of training, how Dan will get back to training, and how he's feeling following the setback in training! The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit th...

Road to London- 7 weeks to go 11.03.2025

We're back by popular demand! Dan finds himself in the elite field at the London Marathon - and we thought it's too unique an opportunity to not get an insight into his training! 7 weeks to go - tune in to hear the training of someone that'll be on your TV screens at the end of April! We recap Dan's training since Valencia marathon and how he's feeling heading into the last few...

Bicarb, with Maurten Research Innovation Manager Dr Andy Sparks 07.03.2025

Bicarb has taken the endurance exercise world by storm in recent months, and we've been able to have a chat with one of the main men behind the research and application of Bicarb. Dr Andy Sparks joins us on this episode to talk all things Bicarb and other supplements. Andy is the Research Innovations Manager at Maurten, and in previous academic roles has produced a large amount of research into Bi...

Road to Barry- The Debrief 04.03.2025

Dan & Owain are back to break down Owain's Barry 40 race. They talk through the carb load, pacing, psychology, fueling and fatigue of an ultra-distance track race. Thanks for all the support throughout the series - hopefully it's been a little different and as interesting as an elite runner pulling the curtain back on their training! The Physiology of Endurance Running podcast is proud...

Road to Barry- 1 week to go 25.02.2025

Race week is upon us! Dan & Owain break down the last week of training as Owain's mileage begins to drop off. Physically things are good, mentally a tougher week. Owain has also been chatting to a sport psychologist who's helped with some race day interventions to try. The boys then go through race plans; pacing with heart rate, fuelling, & footwear. Thanks for the support througho...

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