

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

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
Elliott Jenkins, PhD student researching heat acclimation and endurance performance, discusses a new study on long-term passive hot baths. He explains why baths might boost hemoglobin mass and VO2max without disrupting training. The conversation covers study design, cardiac remodeling, time course of hematological changes, safety and practical bath protocols for runners.

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

Oct 15, 2025 • 1h 11min
Road to Valencia 2025 - 8 weeks to go
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 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 8, 2025 • 1h 38min
Road to Valencia 2025 - 9 weeks to go
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 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 1, 2025 • 1h 32min
Road to Valencia 2025 - 10 weeks to go
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 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 submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7


