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PODCAST

Some Work, All Play

David Roche and Megan Roche

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!

sports running

All Episodes

01:38:23

277. New Science on Fatigue Resistance, Leadville 100...

Some Work, All Play ·

2025/09/23

We had such a blast recording this great episode! The main science topic was a new study on improving fatigue resistance, which performance-matched athletes with different training approaches to see what led to better outcomes. The conclusion is a direct prescription for athletes looking to have better endurance. Being who we are, we throw some scientific turds in the study’s punch bowl.We also talked about the new Leadville documentary “Nothing to Lose,” which is coming out on Thursday. Yes, there

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01:37:09

276. Run Rabbit Run 50 Mile WIN! Megan’s Nutrition,...

Some Work, All Play ·

2025/09/16

Megan ran 8:21:51 to win the Run Rabbit Run 50 Mile, in one of the fastest times ever! This episode is a celebration of a wild and unexpected journey.She had only done one 50-mile race before, back in 2017. Then there was a heart issue, a hamstring surgery, pregnancy with Leo and Ollie, and so much more that the world will never see. She kept showing up though, even when her workout was walking 1 mph uphill.On Saturday, she showed up again, stepping into the unknown of a high-altitude mountain ultra

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01:25:54

275. Why Higher Calorie Needs May Stack Across...

Some Work, All Play ·

2025/09/09

We had a shocking change of feelings about shockingly ugly shoes before this amazing episode! The main topic was a pair of studies on energy expenditure and replenishment. The first was a case study that found massive energy needs beyond base metabolic rate for a full week after an ultra. We zoom out to discuss what that could mean for energy needs during hard training.The second study examined muscle v. liver glycogen replenishment, highlighting how difficult it can be to stay on top of energy

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01:40:02

274. UTMB Takeaways, How Low Carb Studies Miss the...

Some Work, All Play ·

2025/09/02

We loaded up on sympathy baguettes for UTMB racers before recording this great episode! The main topic was digesting everything from UTMB week, including Jim Walmsley reinforcing his GOAT status, Courtney Dauwalter reinforcing hers, the coolest coaching story ever from Scott Johnston (who coached Ruth Croft and Tom Evans to UTMB wins), training takeaways, and so much more! The science breakdown looked at a new study that is being used to argue that low carb doesn’t hurt high-intensity performance

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01:47:13

273. Q+A on Leadville 100 Pain Cave, Stealth Mode,...

Some Work, All Play ·

2025/08/26

This was one of the most fun episodes ever, answering all the questions on the science and vibes of the Leadville CR! As always, we didn’t hold back with any secrets... sometimes to a fault.Before that, we reviewed a new study abstract on colon cancer risk in runners, which could have implications for routine screening recommendations. We will keep you updated as the science evolves!Then it was onto the joy carousel with listener questions! Topics: pro runner status, sleep after ultras, our evolving

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01:50:43

272. Leadville 100 Mile Record, Again! The Full Story...

Some Work, All Play ·

2025/08/19

New course record at the Leadville 100 Miler in 15:12:30, 14 minutes ahead of last year. What just happened?! We are still processing it all, and this episode shares every detail while it’s all fresh in our sleep-deprived minds.2 weeks ago, David said there was zero chance that he was going to race Leadville. He was still processing the very public failure at Western States. He felt like he just wasn’t ready.Megan had other ideas. This episode tells the story of a surreal day that still seems a bit

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01:37:18

271. High Carb and Performance, Wild Science on What...

Some Work, All Play ·

2025/08/12

We conquered the WOOHOO yips before this amazing episode! The main science topic was on a new study that examined the causes of injuries in a 5205-athlete sample. The headline finding was relatively intuitive, but the sub-finding was so shocking that we are still picking our jaws up off the floor. We break it down and discuss how it may clarify training theory!And this one was full of our favorite topics! Other topics: the yips in athletes (and podcasters), Megan’s Aspen Mountain breakthrough, the

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01:33:22

270. Drama at the US Track Champs, Megan's Comeback...

Some Work, All Play ·

2025/08/05

We luxuriated in vending machine cookies before this great episode! We started by talking about Megan's first race in 1.5 years. She HAD A DAY, and we share a celebration of the winding road to get here. We also talked about the USA Track Championships, which might have been the most surprising (and drama-filled) track meet we have ever seen. There was a near-fight in the 200m, Shelby Houlihan winning the 5k, a 16-year old running a 1:42 800m, and so much more! David was there, coaching and

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01:26:49

269. “No Secrets” Q+A on Creatine, What Elite...

Some Work, All Play ·

2025/07/29

We gathered up some spicy questions for this amazing episode! It's in the "no secrets" style, where we leave nothing behind the curtain. Prepare for some fun!Topics this week: post-race fitness bumps, the central governor, creatine supplementation, adapting the 12-week pro marathon plan, what fueling options to buy with $100, the intensity distribution principle that unites real-world elite athlete training, overcoming relative energy deficiency in sport (REDs), an embarrassing

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01:43:52

268. The New World of Microintervals, Doping by World...

Some Work, All Play ·

2025/07/22

We went face-first into a quart of ice cream before this amazing episode! The main science topic was a new study on microintervals, finding that 4-10 second high-power bursts led to no more metabolic stress than very easy training, but with way more muscular work. That could lay the groundwork for revolutionary studies and theories in the future!We also addressed the doping controversy that rocked the running world. Last year, Ruth Chepng'etich ran a shocking 2:09 marathon to reset everything

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01:36:25

267. High Carb in the Tour de France, Our First (and...

Some Work, All Play ·

2025/07/15

We sat down gingerly on bruised glutes before this awesome episode! The main topic was on fueling data coming out of the Tour de France. High carb is ubiquitous in the cycling peloton. We use some of that information as a jumping-off-point to think about fueling for all athletes!This one also came with stories from our first (and possibly last) gravel bike race. These aren’t your normal racing stories. You really have to listen to understand.And the episode was full of great topics! Other topics:

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01:37:18

266. Wild Results in Speed Endurance Studies, How to...

Some Work, All Play ·

2025/07/08

We buzzed over our favorite study tables of all time before this great episode! The main science topic was a review of "speed endurance" studies showing rapid progress across all populations and protocols. That replicability is almost unheard of in sports science, and it's something that every athlete should harness in their training. Spoiler alert: do your strides!And this one was full of amazing topics! Other topics: how to use bloodwork (and why everyone should know what's going

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01:36:28

265. Western States 100 Failure, Being Human in...

Some Work, All Play ·

2025/07/01

Western States 100 ended in a DNF at mile 62. It’s partially the normal story of a race that didn’t go to plan due to simple errors with hydration leading to a cascade of physical issues. But it’s also a lot more complex than that, like life is always more complex than the simple narratives. This episode tries to share the complex story while it’s still raw.We talk about anxiety, fear, shame, and embarrassment. We also talk about love, perseverance, and moving through the crap. It’s just running

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01:16:18

264. Western States 100 Goals, Fears, and Dreams!...

Some Work, All Play ·

2025/06/24

We're here! It's race week for the Western States 100. This episode talks through how we're feeling before the moonshot. Hopefully there are helpful similarities to all of the big, scary things in your lives!We also break down a new study that feels like the Manhattan Project of sports science, testing "replicability" in the field. You know it's serious when there are 99 authors! It found low replicability rates, particularly related to effect size, with massive

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01:48:38

263. "No Secrets" Q+A on Western States 100 Strategy,...

Some Work, All Play ·

2025/06/17

Our favorite episodes involve answering listener questions in a "no secrets" style. That means we might be right, we might be wrong, but we'll always be honest (and hairy!).We started with a game theory analysis on how we think this year's Western States 100 will play out. This is the type of conversation that athletes have before every race, but they usually wouldn't play it out in public. We can check our work in 2 weeks!And then we broke down tons of great questions! Topics:

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01:41:40

262. Western States Pressure, Passive Heat and...

Some Work, All Play ·

2025/06/10

This episode was such a fun mix of science, emotions, and hot tubs that could cook a turkey! We started with some thoughts on Western States, less than 3 weeks out from the race. Does embracing the stage also mean embracing social media posts telling you that you aren’t being picked to perform well? Our argument channeling Tyrese Halliburton of the Indiana Pacers: the “noise” can be performance enhancing if you have fun with it!The main science topic was a WILD study on the hot tub improving

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01:41:19

261. Kilian's Western States Training Video, Jim...

Some Work, All Play ·

2025/06/03

We gulped down some pungent juice before recording this amazing episode! The main topics were the two big pieces of news: Jim Walsmley won't be racing Western States, and Kilian Jornet is making training videos now. Jim is the GOAT and we gave him an 85% chance of winning just last week. He's the supermassive black hole at the center of the Western States galaxy. Without Jim at the start line, how does it change the race? Kilian is the GOAT too (yes, we have a GOAT herd), and he just

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01:47:03

260. Why High Carb Fueling May Improve Body...

Some Work, All Play ·

2025/05/27

This episode was a total joy with toe warmers in all the right places (and some of the wrong ones)! The main scientific topic was a new study on how high carb fueling may improve heat adaptation. We broaden that out to a question from a listener on the old "calories-in, calories-out" framework, and why that doesn't apply to athletes from evolutionary or exercise science perspectives. The big takeaway from 2 decades of research: avoiding excessive within-day deficits from training may

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01:46:51

259. High Carb on a Budget, Western States...

Some Work, All Play ·

2025/05/20

We had a ridiculous amount of fun recording this episode! The main science topic was on a new pre-print study on post-exercise ketones, showing higher carb storage and lower glycemia in athletes taking them. Is it possible that high carb has a special interaction with post-exercise ketones that might be at the heart of recent performances? It's uncertain. We just take them because we like the taste of robot butt.We also had a big breakdown of the cost of high-carb fueling. Megan did calculations

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01:43:34

258. Quad Rock 50 Mile Record and the Western States...

Some Work, All Play ·

2025/05/13

Endurance sports are in the midst of a revolution that will change everything about what we think humans can do. This week at the Quad Rock 50 Mile, we felt it firsthand.David set a 14-minute course record at this classic, steep Colorado race. We break it all down, "no secrets" style. Topics: high-carb fueling, big hydration totals, why heat training might be the next frontier, pre-race meals and supplements, ice bandanas, gut training, downhill running, uphill treadmill, and lots more.No

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301 results

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