

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 runner
Episodes
Mentioned books

Dec 11, 2025 • 1h 49min
Road to Valencia 2025 - Race recap
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 about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Dec 3, 2025 • 1h 32min
Road to Valencia 2025 - 1 week to go
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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Dec 1, 2025 • 1h 10min
Blackcurrants, the unknown super-supplement? - with Dr Sam Shepherd
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 carbohydrate intake! The New Zealand Blackcurrant paper we discussAnother interesting paper on blackcurrantsSoar 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 them out here:https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here:https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Nov 26, 2025 • 1h 20min
Road to Valencia 2025 - 2 weeks to go
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 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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Nov 21, 2025 • 1h 10min
Is passive heat better than altitude?! We examine an exciting new paper with author, Elliott Jenkins
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 PaperSoar 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 them out here:https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here:https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Nov 19, 2025 • 1h 42min
Road to Valencia 2025 - 3 weeks to go
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 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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Nov 12, 2025 • 1h 51min
Road to Valencia 2025 - 4 weeks to go
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 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 them out here:https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here:https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Nov 5, 2025 • 1h 55min
Road to Valencia 2025 - 5 weeks to go
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 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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/pages/for-runnersYou can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Oct 29, 2025 • 1h 41min
Road to Valencia 2025 - 6 weeks to go
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 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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/ You can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Oct 22, 2025 • 1h 41min
Road to Valencia 2025 - 7 weeks to go
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 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 them out here -https://www.soarrunning.com/ You can find out more about CurraNZ, the New Zealand blackcurrant supplement, here: https://curranz.com/ You can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7


