- wöchentlichErscheinungsrhythmus
- 1 h 29typische Länge
- vor 3 Tagenletzte Folge
Five to ten topics, sometimes about running, with lots of love and enthusiasm and science. We dig deep into training, races, studies, pop culture, and much more! With Megan Roche, M.D. and David Roche!
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335. Jess McClain Sprints to HISTORY at the NYC Marathon! Reactions and Training Theory from A Wild Weekend
JESS MCCLAIN 2ND AT THE NYC MARATHON! In an iconic sprint finish! On one level, we are not surprised. But on another level, WTF?! Jess is one of our life heroes, and we break down what we have learned from her. 2 years ago, after having a t
334. Running Form and Fatigue Resistance, Bombshell Doping News, Lactate Gel Experimenting, and How Sweat Rate Changes Over Time!
We got in trouble at the gym before this great episode! The main topic was a new study tying deteriorating fatigue resistance to increased duty factor (ground contact time). Essentially, the longer the foot stays on the ground after a coupl
333. Ways That We’ve Been Wrong, The Weirdness of Eccentric Muscle Contraction Adaptation, and The Reproducibility Crisis!
We had to clear our search history after this great episode! The main topic was a list of the ways we’ve been wrong in coaching. Examples: fasted training, treadmills, heart rate monitors, squats, and lots more. We use the discussion as a c
332. The Ultimate Carb Study, Chicago Marathon Hot Takes, The Shoe of Destiny, and Elliptical Training!
The carbs were flowing for this great episode! The main topic was a new study on carb intake that answered so many open questions about fueling. And in the process, it inadvertently dunked on the low carb studies from last year! Get ready,
331. The Training Episode! 10 Lessons from Pro Road Runners, Vinny Mauri’s Unreal Approach, US 10k Champs, and Zone Compression in Cycling
On this episode, we got extremely excited by some of the coolest training theory. So we just ran with it! The big discussion was on the 10 lessons we have learned from coaching pro road runners. David took a trip to the US 10k Champs this w
330. Carbs Before Short Efforts, Why Bicarb May Cause Long-Term Adaptations, The Brain-Body Connection, and Strength Work Before Races!
We had some deep thoughts on cheese before this great episode! The main topic was a new study on sodium bicarbonate, showing performance benefits in a long, intense protocol. We zoom out to talk about potential connections to mitochondria..
329. Why You May Not Need Much Intensity, Running Economy v. Power, The Biggest Prize Purse in Trail Running, and Training and Longevity!
We grunted our way through the day before this great episode! The main training topic was a new study on the dose-response curve for intensity, finding that only 11 minutes led to 80% of the benefits. We zoom out to talk about how training
328. Mysteries of Fatigue Resistance, New Science on the Lactate Shuttle, Carbs and Bone Health, and Fatigue Miles
We had regrettable hot takes on cleaning exercise equipment before this great episode! The main training topic was on a new study highlighting the important of the lactate shuttle. We zoom out to discuss the implications for aerobic trainin
327. How to Improve Fatigue Resistance, Weekly Mileage, Aerobic v. Anaerobic Systems, and Cycling Doses of Creatine
We had deep thoughts on thirst traps before this great episode! There were three main training topics that all fit together. First, we connected fatigue resistance to fueling and the central nervous system, using David’s long bike past his
326. HISTORY at UTMB with The Best Performance Ever (?!), Our Favorite Gel, The Future of Backyard Ultras, Heat Training in Cool Temps, and Nomio at Night!
We got an extra dose of confidence before this great episode! The main topic was the history made at UTMB, with Ben Dhiman arguably running the best ultra race of all time. We also talked about being young and fit forever with Hans Troyer,
325. The Spicy Episode! Our Fears About AI Science, The $500 Trail Shoe, Age Group Doping, Zone Compression Theory, and Hog Watch
We weren’t intending to have so many controversial stories this week, but here we are with some spicy topics on our hands. The main discussion was new research on Ethiopian athlete training, described as an “AI-assisted” study. The findings
324. Why Longer Intervals May Be Worse (Sometimes), Carb Totals in Cycling, US Champ Doping, and Squats for Endurance Athletes
We worked on our crawling economy before this great episode! The main training topic was a study on the “VO2 slow” component that may show why longer, harder intervals can actually be counterproductive for aerobic performance in some situat
323. The Theory of Zone Compression, Surgery (Oh No), What Comes Next, and The New Big Supplement!
We brought some big foot energy to this great episode! The main training topic was a discussion of “zone compression,” where harder efforts get sustainable for longer durations in weird and wild ways. Our theory: zone compression techniques
322. Why Exercise Physiology Wisdom Can Be Wrong, Doping in Ultrarunning, Bicarb in Long Races, and AI Controversy!
We excavated sand from sensitive places before this great episode! A main topic was a new study on cold water immersion, with surprising results that contrasted with the hypothesis of researchers and upended the conventional exercise physio
321. Why Hydration Unlocks Endurance, A Creatine Experiment, Tour de France Takeaways, and Athletic Identity Crisis!
We got intellectually swole on creatine and astrology before this great episode! The main science topic was a study connecting carb oxidation to hydration status. We explain how hydration is the gateway to fueling. We also provided details
320. Why POWER Makes Champions, The Key Downhill Cue, Overnight Drug Testing at Tour de France, What We’re Trying Now, and Adult Potty Training!
We learned way too much about toe weightlifting before this great episode! The main topic was a discussion of a difficult, nuanced topic: how to think about power development over time, and what that means in a messy athletic life. It all c
319. New Fueling Lessons from The Tour de France, Uphill Treadmill Threshold Theory, Prototype Shoe Ranting, The Hardrock 100, and Coaching Questions!
We spread our toes wider than nature intended before this great episode! A main topic was on the fueling evolution in the Tour de France, and how that has predicted everything that has happened across endurance sports. We also break down wh
318. Our Surprising Take on Carb Loading, Why Even 10 Minutes Counts, Exogenous Lactate Supplementation, and Cross Training Science!
We campaigned for the Nobel Prize in bodily functions before this great episode! A main topic was a new review study on cross training that found no difference between cross training and running interventions FOR RUNNING PERFORMANCE. That’s
317. HISTORY at Western States 100! A Full Breakdown. Plus High Carb Study and Questions!
The 2026 Western States 100 was astonishingly fast and uplifting! It was also astonishingly dramatic. This episode breaks it all down when it’s fresh in our minds. We talked the new course records and what it means to go for it in the moder
316. Why Western States 100 Records Are Getting Smashed, Z1 v. Z2 Training, AI Coaching News, and Competitiveness v. Ego!
It’s the best time of the year, and we brought that energy into this great episode! We started by bringing out our big predictions and hot takes for the Western States 100. The hottest take: everything about our understanding of endurance p
315. How Lower Carb Arguments Miss The Mark, Answering Bicarb Questions, Overload Weeks, and Heat Training!
We developed the ultimate AM wake-up hack (which we tell you about in the intro) before this great episode! A main science topic was a new paper on how the temperature in an athlete’s training location influences race performance. It tells
314. Carbs and Bone Health, A Reproducibility Crisis in Training Science, Wild Data on Post-Exercise Ketones, and Trail Supershoe Data!
We removed all the cutlery from our house before this great episode! The main science discussion was on a new study looking at reproducibility of adaptations in individual athletes. The relatively surprising finding is that there was no sig
313. Marathons v. Ultras, Fatigue Resistance Debates, Gene Editing Breakthrough, and Posture Impact on Blood Volume!
We put some cinder blocks under the head of our bed (for science!) before this great episode. A weird study just came out finding that head-up sleeping may increase red blood cell totals. We talk about what it means and what it doesn’t mean
312. How Blood Volume Impacts Performance and Adapts Fast, The Scary Potential of Lactate Supplementation, The True GOAT, and The Circle Pit!
We basked in some amazing news before this great episode! The main topic was a breakdown of one of the most important elements of performance and health: blood volume. Studies show that blood volume can seem to act as a synonym for fitness,
311. The Science Episode! How To Stop Cramps, Fat Oxidation Changes, Missing Link Heat Training, The Difficulty of Physiology Data, and More
We talked about some of the strangest and coolest research topics in endurance sports for this episode! Basically, the science discussions went long, so we just ran with it. The main discussion was on how to stop cramps, laying out 10 theor
310. The Fatigue Resistance Episode! Rachel Entrekin Makes History at Cocodona, Women v. Men Durability, Fueling and the Central Nervous System, Brain Changes, and More
We had some HYPOTHESES for this amazing episode! The main topics all revolved around fatigue resistance (often called “durability” in the literature), which we think is the most exciting area of training theory and physiology. It started wi
309. The Marathon that Changed Running, Ultra GOAT to Western States, Misconceptions about Training Volume, A Supershoe Lawsuit, and A Hydration Study!
We violated the warranty on ankle tape before this great episode! A main topic involved taking a step back to understand the historic context of Vinny Mauri’s 2:05 debut marathon. We think it’s a performance that signals a fundamental shift
308. Sub-2 Hour Marathon Fueling, The High Carb Plus Bicarb Era, Strides v. Plyometrics Study, Supershoe Evolution, and Iron Theories!
We made an unfortunate impulse purchase (you'll see) before this great episode! The main topic revolved around the world records at the London Marathon, including Sebastian Sawe’s 1:59:30 winning time. We discuss his mid-race fueling, bicar
307. A Mind-Blowing Boston Marathon, Jess McClain Runs 2:20 (!!!), and Studies on What Improves Endurance Performance!
We had just the right amount of Dunkin’ coffee (a barrel) before this great episode! The main topic was everything we learned at the Boston Marathon, highlighted by Jess McClain running 2:20:49 to break the American Course Record by over a
306. How the GOAT Fuels, Single v. Double Workouts, Heat and Altitude Study, Caffeine Genotypes, and Building Bone Density!
We got overconfident with a shoe experiment before this great episode! It started with a discussion of race-day fueling of Tadej Pogacar (who might be the greatest endurance athlete ever). 250 grams of carbs and 1430 calories for breakfast?
