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Artwork for The Physiology of Endurance Running Podcast

The Physiology of Endurance Running Podcast

Dan Nash and Owain Zerilli
Valencia Marathon
VO2 Max
Endurance Running
Marathon Training
Running Economy
London Marathon
Running
Lactate Threshold
Endurance Training
Threshold Training
Sports Science
Endurance Sports
Cross-Training
Marathon
Endurance Performance
Strength and Conditioning
Training
Heart Rate Management
Lactate Thresholds
Seville Marathon

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 Triath... more

PublishesWeeklyEpisodes120Founded4 years ago
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RunningSports

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Artwork for The Physiology of Endurance Running Podcast

Latest Episodes

Following the recent episode about body weight, Dan & Owain interview Dr James Fleming about body composition and the work of an applied practitioner in the nutrition space.

James is a lecturer at St Mary's University, with experience in nutrition a... more

Dan & Owain take a deep dive into New Zealand blackcurrants and anthocyanins, specifically looking at their possible benefit in the heat. They also critically discuss applying research in the supplement space, and the evidence that exists for blackcu... more

YouTube

In the last few years, lab testing has exploded as an industry - expanding beyond a few universities offering tests in their laboratory. Unfortunately not all tests are equal, and having seen more bad tests, Dan & Owain talk through what you should b... more

YouTube

In case you missed it, Dan & his wife Jemima welcomed Betsi into the world last week - and we've taken a week off of recording.

This week's episode is a compilation of some of the best content on our patreon from the last 8 months; paper breakdowns... more

YouTube

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Recent Guests

James Barber
Lead performance specialist at The Altitude Centre, PhD student at Anglia Ruskin University
The Altitude Centre; Anglia Ruskin University
Episode: The science of altitude - with James Barber
Arnar Larusson
CEO and co-founder of Tymewear
Tymewear
Episode: Tymewear - the next step in wearables? With founder Arnar Larusson
Marinus Petersen
Former professional cyclist, transitioning to triathlon
Racing in France (Normandy and Brittany) and the UK
Episode: What can runners learn from cyclists? With Marinus Petersen
Marco Altini
Founder of HRV for Training; PhD in data science; author
HRV for Training
Episode: All about HRV - with Marco Altini
Callum Hawkins
Elite marathon runner from Britain
Episode: The Athlete Series: Callum Hawkins
David Chalfen
Running coach and author of A Few More Laps, A Deep Dive into the Sharp End of Running and Coaching
Highgate Harriers (coach)
Episode: The art of coaching - with David Chalfen
Dr. Simon de Waal
Lecturer and researcher in the Physiological Demands of Trail Running
University of Gloucestershire
Episode: The Science of Trail & Ultra Running - with Dr Simon de Waal
Phil Richardson
Creator of Meteopace
Meteopace
Episode: Meteopace, the game-changing weather app - with creator Phil Richardson
Steph Connaire
Consultant Cardiologist specializing in adult congenital heart disease.
University Hospital Wales
Episode: Running myths... busted!

Hosts

Dan Osborn-Nash
Host of The Physiology of Endurance Running Podcast; sport physiologist with Welsh Athletics/Welsh Triathlon involvement; experienced endurance runner.
Owain Zerilli
Co-host, MSc student researching heat effects on EPO release; endurance runner; engaged in training science discussions.

Reviews

4.8 out of 5 stars from 286 ratings
  • 1 of the best

    I’ve been listening to this podcast now for years. There isn’t many that top this for knowledge and education. Strap in and get listening

    Apple Podcasts
    5
    RoryBoy99
    United Kingdom6 months ago
  • Great Running Pod

    This is a great podcast for anybody serious about running.

    There are so many podcasts out there that provide little value and include questionable training information. Here, you get the science, the methods to apply it, and the experience of extremely good runners.

    All that being said, you do not have to be super fast to find this podcast useful. The information is helpful to anybody serious about training and improving.

    Apple Podcasts
    5
    runner48721
    United Statesa year ago
  • A great listen

    A really interesting and insightful podcast focussing on the physiological aspects of running but woven into Dan’s journey which gives it a more personal feel. Thought provoking and a great listen for the long runs

    Apple Podcasts
    5
    SimononaBQjourney
    United Kingdom2 years ago
  • All that runners need

    Amazing podcast with valuable and practical information about endurance!

    Apple Podcasts
    5
    Minepenne
    Russia4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Many appreciate the balance of lab concepts with real-world running experiences.
Listeners praise evidence-backed insights and practical takeaways for training and nutrition.
The show is valued for its nuance and willingness to critique marketing around supplements and tech.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#63
United States/Sports/Running
Apple Podcasts
#10
United Kingdom/Sports/Running
Apple Podcasts
#19
Canada/Sports/Running
Apple Podcasts
#89
Australia/Sports/Running
Apple Podcasts
#121
Italy/Sports/Running
Apple Podcasts
#196
France/Sports/Running

Talking Points

Recent interactions between the hosts and their guests.

What can runners learn from cyclists? With Marinus Petersen
Q: What does cycling training look like at the elite level, and how does it compare to running?
Marinus explains that elite cycling features very large volumes with occasional very intense blocks; teams structure training around long rides, polarized or pyramidal intensity, and substantial hours, yet the exact make-up varies by team and role. Running has more frequent lower-volume sessions, and while both sports value intensity, cycling tends to consolidate hard work into fewer, longer efforts with different recovery dynamics.
All about HRV - with Marco Altini
Q: Should athletes use HRV-based readiness scores or rely on raw HRV values?
HRV scores can be informative but should not be the sole determinant of training. A good approach combines HRV with subjective feedback (sleep quality, soreness, motivation) and looks at 7- to 14-day trends and the athlete's normal range to guide training decisions rather than dictating them.
All about HRV - with Marco Altini
Q: What are the limitations of wearable HRV data compared to ECG, and how should athletes interpret wearables' HRV scores?
Wearables can work well under still conditions (night sleep, morning rest) but movement introduces artifacts that can distort HRV. ECG remains the gold standard. Wearables are useful for tracking trends and relative changes, but single readings should be interpreted cautiously and always alongside subjective measures and trends over time.
All about HRV - with Marco Altini
Q: Can you explain how gold standard HRV is measured and how it's expressed?
Gold standard HRV is typically measured using ECG to capture beat-to-beat intervals, then analyzed in the time domain (e.g., RMSSD) or frequency domain. RMSSD in the time domain is popular because it reflects high-frequency, parasympathetic activity and is straightforward to compute, while frequency-domain measures can be more sensitive to artifacts. The key is standardization, artifact cleaning, and focusing on measures that reliably reflect parasympathetic activity.
Episode 101 - Q&A
Q: What are your thoughts on the low-residue diet before a race?
The hosts describe using a low-residue diet to reduce GI issues, with specifics on avoiding high-fiber foods and timing carbo-loading accordingly.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

A science-forward show focused on translating endurance-running physiology into practical training guidance. Episodes cover how physiology, nutrition, technology, and environment influence performance, with in-depth dives into topics like lactate dynamics, altitude, heat adaptation, HRV, wearable tech, and AI-assisted training. Conversations mix experimental insights, guest experts, and hosts' own training experiences, often interwoven with sponsor segments and coaching-style takeaways. The tone blends curiosity with caution, frequently challenging marketing claims and emphasizing real-world applicability for serious runners, coaches, and sport-science fans. Notable strengths include rigorous discussions anchored by physiology, a willingnes... more

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1. Sweat Elite Podcast
2. Inside Running Podcast
3. The Real Science of Sport Podcast
4. The Strength Running Podcast
5. Science of Running

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this podcast launched 4 years ago and published 120 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on this podcast?

Recent guests on this podcast include:

1. James Barber
2. Arnar Larusson
3. Marinus Petersen
4. Marco Altini
5. Callum Hawkins
6. David Chalfen
7. Dr. Simon de Waal
8. Phil Richardson

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