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I Don't Know RunningAuthor: Lewis Hayden and Mitch Brouwer
The I Don't Know Running podcast is about how we're all learning to run in some way or another. Whether you're just starting to run a mile or you've ran 100's of marathons and are now in the ultra world, this is for you. We all continue to learn and have something to share. So join us in the discussion and help us make everyone's running experience better. We will talk about our experiences, your experiences, gear, races, and much more. Language: en-us Genres: Fitness, Health & Fitness, Running, Sports Contact email: Get it Feed URL: Get it iTunes ID: Get it Trailer: |
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How Rare Is a 100-Mile Finish? (The Endurance Curve Explained) | IDKR Episode 195
Episode 195
Sunday, 8 February, 2026
Send us a textEndurance isn’t a straight line — it’s a steep curve.In this episode of the I Don’t Know Running Podcast, Lewis and Mitch break down the “endurance curve”: how each distance milestone (5K → marathon → 50K → 50 miles → 100 miles → 200+) filters runners out for totally different reasons. Past a certain point, it stops being “fitness” and becomes life management — nutrition, decision-making, heat, sleep deprivation, and emotional regulation.We talk about:Why the marathon is already rare (and what “rare” actually means)Why 50K is the most “accessible” ultraWhy 50 miles is where the sport shifts into management modeWhy the 100-mile distance is a psychological breaking point (and the DNF reality)The wild world of 200-mile events: dirt naps, hiking, and multi-day survivalWhy the ultra community feels different — and why that matters⚠️ Note: We reference several stats and percentages that are best understood as directionally accurate (databases vary and participation tracking isn’t perfect). The goal is the big idea: how quickly the field narrows as distance increases.If you’ve ever wondered “Am I really an ultrarunner?” or felt the pressure of “the next thing”… this one’s for you.Question for you: What distance felt like the biggest shift for you — marathon, 50K, 50 miles, or 100?📌 Subscribe for weekly episodes: running conversations that are fun… and sometimes not so fun.👍 If you enjoyed this, like the video — it helps YouTube show it to more runners.#runningpodcast #ultrarunning #marathontraining #trailrunningCheck out our Patreon: https://www.patreon.com/IDKRSupport the show
