The MicroCast

The MicroCast

The Microcosm Coaching Podcast helps endurance athletes—whether you're a road runner, trail runner, or training for your first marathon or 100-miler—get more out of their training with evidence-based advice, effort-based coaching, and expert mindset support. Hosted by professional coaches and athletes, each episode explores practical strategies for race prep, running recovery, mental performance, and sustainable training. If you want to build fitness, avoid burnout, and find more joy in running, you're in the right place.

Episodes

December 17, 2025 67 mins

We break down the five most important running studies of 2025 and give you a framework for deciding which science actually deserves your attention, and what's just expensive distraction. Plus, we debunk the hype around ketone supplements and Norwegian double threshold training.

What We Cover:

  • The "Should I Care" framework for evaluating new research
  • Why strict 80/20 polarization isn't magic for recreational athle...
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We're back after a quick Thanksgiving break to share the running wisdom we wish someone had told us years ago. Drawing on interviews with experienced runners and our own coaching insights, we break down five lessons that could save you years of frustration, injury, and wasted effort.

What We Cover:

  • Why the most important quality in an athlete isn't talent, it's showing up
  • How to incorporate skiing and winter activities...
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What separates athletes who reach their potential from those who plateau? In this fan-favorite episode, Coach TJ and Zoe break down 11 guiding principles that form the foundation of sustainable athletic growth—from knowing your why to controlling the controllables.

But first, we settle the important debates: Pop-Tarts vs. Fig Newtons, why watermelon at aid stations is basically a psy-op, and which race day foods are actually worth r...

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Training harder but not getting faster? Dealing with recurring injuries? The problem might be your fuel.

Before Thanksgiving, I'm sharing an episode from Your Diet Sucks about RED-S, the energy mismatch that's quietly destroying athletic performance and causing injury after injury.

When you chronically undereat for your training load, your body can't adapt. You're doing the work, but not getting the gains. Studies sho...

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Want to run healthier, stay consistent, and finally stop the cycle of overuse injuries? This episode breaks down the five most science-backed strategies for injury prevention, in a way that’s actually useful for real runners balancing work, ...

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Want to train smarter, run stronger, and stop second-guessing your training? This episode dives into one of the biggest pitfalls we see as coaches: overthinking. From obsessing over pace and metrics to chasing “perfect” plans, Zoë and TJ break down how overthinking sabotages performance, and how to get back to feeling good, recovering well, and actually getting faster.

🎙️ In this episode:

  • The “Overthinking Hall of Fame”: Pace Po...

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Want to train smarter, fuel better, and understand what your body actually needs? This episode unpacks the real science behind endurance training and fueling—no pseudoscience, no gimmicks. We start with a quick announcement about our Boston Marathon 2026 prep webinar (covering pacing, fueling, and course strategy from Hopkinton to Boylston), then move into a “Hot or Not” segment on popular running recovery tools: KT tape, dry needl...

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Want a better year without burning out? Zoë and TJ share a practical, five-step blueprint to use your transition season to set up your best race year—without quitting running or living in the gray zone. You’ll learn how to keep frequency high (with easy intensity), sketch a long-range plan (1–3 A-races, smart tune-ups), match workouts to the right phase, and treat recovery like training so adaptations actually happen. We also tackl...

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October 14, 2025 61 mins

Ever wonder what the difference really is between tempo, steady state, and threshold runs? In this episode of the MicroCast, coaches Zoë and TJ break down the most confusing middle zones in running, and explain how to use them intentionally to build endurance, speed, and confidence.

🎙️ You’ll learn:

  • How to identify and feel steady state, tempo, and threshold efforts

  • What’s happening physiologically at each intensity

  • Common trainin...

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If treadmill season makes you question your fitness — you’re not alone. This week, Coach Zoë and TJ dig into why treadmill running often feels harder than road or trail running, and how to actually use it to your advantage. They’ll unpack the biomechanics, heat buildup, and calibration quirks that make treadmills deceptively tough — and how to dial in effort-based training so you get real aerobic gains (without chasing meaningless ...

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🔥 Want to get more out of your training? This episode breaks down the five most important ways to nail your workouts—whether you’re training for a marathon, ultramarathon, or just building consistency. We talk pacing, mindset, and how to avoid the common mistakes that keep runners from improving.

Zoë and TJ also tackle big listener questions about injury recovery, identity, and how to keep your fire burning when progress stalls. Pl...

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This week on the Microcast, Zoë and TJ run through a stack of running myths and training debates—some serious, some a little silly.

First up: Hot or Not. Waist lights? Surprisingly useful. StairMasters? A tool, sure, but not a magic bullet. Then we dive into the trend of weighted vests, sled drags, and other “muscular endurance” hacks. They might look hardcore, but do they really help everyday runners, or just the elites?

From there,...

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What happens when a hundred-mile race turns into a snowstorm survival test? In this episode, Zoë and TJ break down their very different experiences at the Run Rabbit 100 — from a top-five finish in brutal conditions to making the hard call to DNF.

You’ll learn how ultrarunners can adjust goals mid-race, why safety should always come before ego, and how to recognize when “excellence” means stopping instead of pushing through. We also...

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🔥 Race week is here! And with it, taper tantrums, heavy legs, and the mental games that can make or break your performance. In this episode, Coach Zoë and TJ share five evidence-based taper strategies to help you arrive fresh, confident, and ready to race.

You’ll learn why cutting volume (not everything) is essential, how to keep just enough intensity to stay sharp, why sticking to your weekly rhythm matters, and how to stay specif...

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Are ultrarunners at higher risk of colon cancer? Can scrolling before a workout actually make you slower? And is muscle damage( not gut issues) the biggest reason athletes DNF ultras? This episode dives deep into three new studies that every endurance athlete should know about.

Zoë and TJ break down the recent New York Times article on colon cancer risk in marathoners and ultrarunners, explaining why the headlines caused panic, what...

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🔥 Wondering how much training volume you really need to get faster, avoid burnout, and stay injury-free? In this episode, Zoë and TJ break down the science and practical strategies behind volume in endurance training, plus why aid station efficiency and fueling myths matter just as much for your ultramarathon success.

🎙️ In this episode, your coaches cover:

  • Hot or Not: Car camping before races, pacers, downhill repeats, and “fa...

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🔥 Want to finish your next ultra stronger and avoid the dreaded late-race fade? This episode breaks down five science-backed pacing strategies every runner can use—whether you’re lining up for your first 50K or chasing a 100-mile PR. Drawing on data from UTMB, Western States, and Ultra-Trail Cape Town, Coaches Zoë and TJ share the training and mindset tools that separate strong finishers from blow-ups.

🎙️ In this episode, we cover...

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Who gets to call themselves an athlete — and how should you fuel like one? In this special crossover episode from Your Diet Sucks, Coach Zoë and registered dietitian Kylee Van Horn tackle common endurance nutrition myths, from carb loading to high-carb fueling in larger bodies, and why “earning” the athlete label is holding runners back.

You’ll hear practical tips for training your gut, troubleshooting race-day nausea, and avoiding...

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Want to run faster, whether you’re training for a 5K, marathon, or 100-mile ultra?

In this episode, Zoë and Coach TJ break down five proven ways to build speed and endurance without burning out. They cover everything from running economy (and why it matters differently for ultras) to practical workouts like strides, hill sprints, VO₂ max intervals, and tempo runs, plus why easy running is essential for performance.

You’ll also hear:

...
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