We do blood testing with RYTHM: Rythm is offering our listeners 15% off your first month and free shipping at https://RYTHM.HEALTH/RLRH

Brought to you by ProBio Nutrition - your all-in-one daily supplement for runners. Get 40% off with code RLRH (and an additional 10% off + free shipping with a subscription) ➡️https://bit.ly/ProBioRLRH

Brady and Thomas break down the new viewpoint paper on endurance whose co-authors include Michael Joyner: https://journals.physiology.org/doi/pdf/10.1152/japplphysiol.00343.20250:00 Introduction – The 4 Components of Fatigue Resistance0:39 What Is Durability? (The Joiner Model Revisited)4:00 Sponsor: ProBio Nutrition5:12 How to Use These 4 Terms to Find Your Weaknesses5:57 #1: Durability – Holding Your Physiology Together at Constant Pace8:32 How to Train for Better Durability11:30 #2: Fatiguability – Performance Loss Under Variable Intensity14:38 Sponsor: RYTHM Health (At-Home Blood Testing)17:11 #3: Repeatability – Can You Hit the Same Splits Every Interval?18:36 How to Train for Better Repeatability22:37 #4: Resilience – Performing Under Unexpected Conditions23:55 Amby Burfoot's 1968 Boston Win: A Case Study in Resilience26:47 How to Train for Resilience (Steve Magnus's Secret Tactic)28:31 The Danger of Being Over-Optimized on Race Day29:52 Thomas & Brady's Own Strengths and Weaknesses35:45 Resilience: The Last Unmeasurable Variable in Endurance Sport37:04 Wrap-Up

We do blood testing with RYTHM: Rythm is offering our listeners 15% off your first month and free shipping at https://RYTHM.HEALTH/RLRHBrought to you by ProBio Nutrition - your all-in-one daily supplement for runners. Get 40% off with code RLRH (and an additional 10% off + free shipping with a subscription) ➡️https://bit.ly/ProBioRLRHLegit or Grift returns! Thomas and Brady rank the most popular running trends of 2026 in terms of their legitimacy (how much evidence there is to support their safe use) and grifty-ness (lack of evidence / some profiteering going on).

0:00 Intro – What is "Legit or Grift"?

3:48 #1: NOM (Broccoli Sprout Juice) – LEGIT7:51 #2: BPC-157 Peptides – GRIFT

10:03 Why isn't BPC-157 better researched? + The Cam Haynes controversy

16:56 #3: Carb Maxing – GRIFT

21:01 Should carb intake be measured by distance, not time?26:41 #4: Bicarb for Marathon Running – GRIFT

29:14 #5: Protein Maxing (for runners) – LEGIT

33:00 #6: Downhill Training – LEGIT

37:03 #7: Sauna & Passive Heat Training – LEGIT

40:05 #8: Exogenous Ketones (post-workout) – LEGIT

44:06 #9: Eight Hours of Sleep – GRIFT

55:22 The Enhanced Games: Total Grift

58:20 Outro

Brady and Thomas discuss VO2 Max; why runners should be interested in training it, and how the best ways to improve it areWe do blood testing with RYTH: Rythm is offering our listeners 15% off your first month and free shipping at https://RYTHM.HEALTH/RLRHBrought to you by ProBio Nutrition - your all-in-one daily supplement for runners. Get 40% off with code RLRH (and an additional 10% off + free shipping with a subscription) ➡️https://bit.ly/ProBioRLRH00:00 Understanding VO2Max and Its Importance02:23 Genetics vs. Training: The VO2Max Debate05:51 Measuring VO2Max: Field Tests Explained11:46 Effective Training Methods to Improve VO2Max23:41 The Reality of Building and Losing VO2Max29:33 Additional Strategies for Enhancing VO2Max