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

Your guide to Zone 2! 14.01.2026

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 sponso...

Bonus: Training Talk - Episode 1 11.01.2026

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/Th...

Post-partum running, a scientific approach - with Dr Megan James 07.01.2026

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 guide Megan 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...

NYE Q&A! 31.12.2025

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...

Running myths... busted! 24.12.2025

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,...

Road to Valencia 2025 - Training block analysis 17.12.2025

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...

Road to Valencia 2025 - Race recap 11.12.2025

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 - ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠...

Road to Valencia 2025 - 1 week to go 03.12.2025

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 Giveaway⁠⁠⁠⁠⁠⁠⁠⁠ The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quali...

Blackcurrants, the unknown super-supplement? - with Dr Sam Shepherd 01.12.2025

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...

Road to Valencia 2025 - 2 weeks to go 26.11.2025

The squad has made it to the taper! Another monster session from Dan, Jen doesn't like unstructured training, and Owain thinks it's race week already! ⁠Soar Giveaway⁠⁠⁠⁠⁠⁠⁠ 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...

Is passive heat better than altitude?! We examine an exciting new paper with author, Elliott Jenkins 21.11.2025

Dan & Owain are back to discuss an exciting new paper that's just been published, about using baths to improve performance. The paper's author, PhD student Elliott Jenkins joins them to talk through the research! The Paper ⁠⁠Soar Giveaway⁠⁠⁠⁠⁠⁠⁠ The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of run...

Road to Valencia 2025 - 3 weeks to go 19.11.2025

The work is almost done, and Jen, Dan & Owain talk through their final big weeks of training. 100k around the world-famous Rose Inn loop between the three, lots of big sessions to break down this week! ⁠Soar Giveaway⁠⁠⁠⁠⁠⁠ 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 &...

Road to Valencia 2025 - 4 weeks to go 12.11.2025

A month out from the big race, and the whole gang have banked strong weeks. Jen is up to peak mileage, Owain has some average sessions, and Dan is back to wowing on Strava! ⁠⁠Soar Giveaway⁠⁠⁠⁠⁠⁠ 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...

Road to Valencia 2025 - 5 weeks to go 05.11.2025

We're joined by a special guest this week to ask the hard questions; coach and husband of Jen, "Disco" Dave Long. Dave gives his perspective on Jen's "down week", stumps Owain about his session 4-days post-half, and keeps Dan accountable about his 200km week! ⁠Soar Giveaway⁠⁠⁠⁠⁠ The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, de...

Road to Valencia 2025 - 6 weeks to go 29.10.2025

3 different training weeks this week; Owain raced a half, Dan fought through illness and focussed on good decision making, Jen went deep in the oven! If you're in New York for the marathon, check out the Soar pop-up event! ⁠Soar Giveaway⁠⁠⁠⁠ The Physiology of Endurance Running podcast is proudly sponsored by SOAR. SOAR produce high quality running clothing, designed to fit the needs of runners...

Road to Valencia 2025 - 7 weeks to go 22.10.2025

The whole gang is back! Dan catches us up on an up-and-down 2 weeks, whilst Jen and Owain had a big session with a celebrity pacer! If you're in New York for the marathon, check out the Soar pop-up event! Soar Giveaway⁠⁠⁠ 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 &a...

Road to Valencia 2025 - 8 weeks to go 15.10.2025

Jen returns to the podcast post-wedding - and lets us know how to handle training for a marathon around one of the most important days in a lifetime! Unfortunately Dan wasn't able to join us this week, as he's enjoying the sun in Spain. He'll be back next week to catch up. Owain hangs on for dear life in a hard long run! Soar Giveaway⁠⁠ The Physiology of Endurance Running podcast is pr...

Road to Valencia 2025 - 9 weeks to go 08.10.2025

9 weeks to go before the Valencia Marathon! Jen is away this week after getting married - congrats Jen & Dave! We're joined by one of the biggest names in the UK running scene, on the podcast to defend his training loop, Jake Smith! Jake talks us through Cardiff Half, which Dan also ran in finishing as first Welshman. Owain just logged some k's! Soar Giveaway⁠ The Physiology of Endurance Running p...

Road to Valencia 2025 - 10 weeks to go 01.10.2025

10 weeks until Valencia, and the gang all put in big weeks! Dan headed to West Wales, whilst Jen & Owain did too many laps of Bute Park for a sane person! Soar Giveaway 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 - ⁠⁠⁠⁠⁠⁠...

Road to Valencia 2025 - 11 weeks to go 24.09.2025

11 weeks to go, Dan & Jen have logged another big training week, whilst Owain has battled an illness! Check out Soar's PB Reward 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 that put in time & effort to the sport. Check them out here - ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://...

Road to Valencia 2025 - 12 weeks to go 17.09.2025

12 weeks until the fastest marathon of the year! Dan, Owain, and special guest Jenny Nesbitt are all hoping to line up on the start line in Valencia this December, and will be talking through the next 12 weeks of their training. Jen, Owain & Dan talk through their past few months, goals for the race, and their week of training. Check out Soar's PB Reward here! The Physiology of Endurance R...

Summer Q&A 10.09.2025

Dan & Owain round off the summer with a Q&A episode answering some of your questions. Starting the episode off with a running, life & podcast update, and reflect on the last few months of episodes. They then dive into your questions - thanks for all your responses and sorry if your question wasn't asked this time! Road To Valencia starts soon! The Physiology of Endurance Running po...

The Science of Sports Bras - with Dr Nichola Renwick 03.09.2025

Dan & Owain are joined by Dr Nichola Renwick. Nichola is a senior researcher in breast and bra biomechanics at the University of Portsmouth. Nichola talk's through the anatomy of breasts, and the purpose of sports bras, before explaining how biomechanical studies are undertaken. Nichola has also worked with Team GB and the England Women's football team, and she talks about working with elite a...

The Athlete Series: Tom Evans 27.08.2025

Ahead of UTMB, Dan & Owain are joined by Tom Evans. Tom has wins at Western States, UTS & Arc of Attrition, and a 3rd place at UTMB. Tom's also represented GB at the World Half marathon championships (PB - 63:14), World Cross and Euro Cross. Tom talks through his training, how he applies physiology to mountain trail races, super shoe development, and his approach to races like UTMB. Th...

A deep dive on carbohydrate research, with TdF nutritionist Dr Tim Podlogar 20.08.2025

Dan & Owain are joined by one of the leading carbohydrate researchers, Dr Tim Podlogar. As well as undertaking some of the cutting edge research answering timely carbohydrate questions, Tim has worked in professional cycling with Redbull BORA hansgrohe and Tudor Pro Cycling, applying some of his work to win stages in the Tour de France! Tim talks through some of the research he's undertaken, a...

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