

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

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

Sep 24, 2025 • 1h 24min
Road to Valencia 2025 - 11 weeks to go
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://www.soarrunning.com/ You can submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Sep 17, 2025 • 1h 36min
Road to Valencia 2025 - 12 weeks to go
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 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

Sep 10, 2025 • 1h 24min
Summer Q&A
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 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

Sep 3, 2025 • 1h 12min
The Science of Sports Bras - with Dr Nichola Renwick
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 athletes and the impact of a well-fitting sports bra. The Research Group in Breast Health InstagramTreasure Your Chest learning resourceThe Research Group in Breast Health LinkedInThe 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

Aug 27, 2025 • 1h 15min
The Athlete Series: Tom Evans
In this engaging discussion, Tom Evans, a world-class trail runner and 2023 Western States champion, shares his insights on training for ultramarathons. He dives into the physiological strategies behind racing at prestigious events like UTMB and highlights the importance of pacing and energy management. Tom also touches on the development of super shoes and the role of innovative gear. With a balanced approach to training that combines data analysis and intuition, he provides a fascinating look at the mental and physical challenges of endurance running.

Aug 20, 2025 • 1h 26min
A deep dive on carbohydrate research, with TdF nutritionist Dr Tim Podlogar
Dr. Tim Podlogar, a leading carbohydrate researcher and performance nutritionist for WorldTour cycling teams, shares intriguing insights on carbohydrate intake for athletes. He discusses how body size influences carbohydrate oxidation, revealing that larger athletes may oxidize more carbs during exercise. Tim emphasizes the importance of personalized testing for carbohydrate needs and explains trade-offs between immediate performance and multi-day recovery. He also explores the benefits of combining carbs with protein for optimal recovery, making this episode a must-listen for endurance athletes!

Aug 13, 2025 • 1h 16min
The Athlete Series - Jake Barraclough (Ran To Japan)
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 culture. Jake talks about the culture, his training approach and how training in Japan compares to the UK & US!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 submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7

Aug 6, 2025 • 1h 16min
Female physiology, with Dr Emma Ross
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 physiology. 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 submit questions for this series or our Q and A episode here:https://forms.gle/XGmxsR6dsanikRSX7