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Tread Lightly Running Podcast

Tread Lightly Running Podcast

Amanda Brooks and Laura Norris 169 Episodes Sep 19, 2026

The Tread Lightly Running Podcast provides data-driven, evidence-based running advice in a practical and inclusive way. Topics include running faster, marathon training, fueling science, and injury prevention. Co-hosted by Amanda Brooks and Laura Norris, who have over 20 years of coaching experience and have been featured in Runner's World, SELF, NPR, and Outside.

Episodes

GLP-1s, Nomio, UCAN Gels, and Other Trendy Supplements with Dietitian Alex Larsen
GLP-1s, Nomio, UCAN Gels, and Other Trendy Supplements with Dietitian Alex Larsen Sep 19, 2026 00:41:25 Are broccoli sprout shots the secret to your next PR? Will U-Can gels help you manage weight? And are greens powders a scam or magic bullet? We sit down with registered dietitian Alex Larson, the founder of Alex Larson Nutrition. She answers all our questions on GLP-1s, cortisol-reducing supplements, lactate gels, if Laura can make her own Nomio at home, and more.In this episode, you’ll learn:✅ Th
Is Zone 2 Running Overrated? Understanding the Backlash Against and Science of Easy Running
Is Zone 2 Running Overrated? Understanding the Backlash Against and Science of Easy Running Sep 12, 2026 00:34:14 Zone 2 is the magic bullet for improved health and endurance fitness - or it is overrated and spikes your cortisol. You have likely encountered both claims on social media, and neither are correct. In this episode, we dive into the science of zone 2 for runners. We discuss how to set your zone 2 correctly, who should use it, who should ignore their heart rate zones, and what happens if you run slo
Does Summer Running Really Make You Faster in the Fall?
Does Summer Running Really Make You Faster in the Fall? Sep 5, 2026 00:34:30 Slower summer runs lead to fast fall races - so you have heard. But as you slog through another humid, hot long run, you may be wondering: is there truth to this adage? In this episode, we discuss ideal fall racing temperatures, all the variables that contribute to fall race performances, and how long heat adaptations actually last.Thank you to our sponsors:✨ Tailwind: Complete sport nutrition mad
What to Do The Week After a Half Marathon or Marathon: A Science-based Post Race Recovery Guide
What to Do The Week After a Half Marathon or Marathon: A Science-based Post Race Recovery Guide Aug 29, 2026 00:38:13 Post-race recovery is not the avoidance of training. Rather, it is a crucial component of a well-periodized training plan, especially for a marathon or half marathon. In this episode, we first examine the physiological impact of racing a marathon or half marathon on the body. Then, we detail how to approach a recovery phase, including what can enhance or impair recovery after a race.In this episod
Do You Need High Mileage? The Science of High Volume Running
Do You Need High Mileage? The Science of High Volume Running Aug 22, 2026 00:34:43 You have likely encountered the advice that all you need to do to run better is to run more. Is training really that simple? In this episode, we discuss high volume running: why people do it, who it works for, and who should skip it. We examine the research and assess unique situations such as busy athletes, beginners, masters athletes, and injury-prone runners. You will also learn how to safely i
Tune Up Race Formula: Timing, Recovery, and What the Training Theory Says
Tune Up Race Formula: Timing, Recovery, and What the Training Theory Says Aug 15, 2026 00:36:31 Tune-up races are a common piece of many training plans. Are they necessary? Why should you bother racing in the middle of training?In this episode, we discuss all you need to know about how to run an effective tune-up race (and whether to run one at all). We draw from years of coaching experience and an understanding of various training theories to guide you through how to incorporate non-goal ra
The Psychology Behind Peak Running Performance with Dr. Trent Claypool
The Psychology Behind Peak Running Performance with Dr. Trent Claypool Aug 8, 2026 00:41:31 “Performance is your potential minus interference - and the brain often interferes with how well we want to do.” Many runners struggle to translate their training to racing, because of race day nerves, negative self-talk, or fear of discomfort. In this episode, we are joined by Dr. Trent Claypool of Summit Sport Psychology to learn how to embrace discomfort, use positive self-talk, and train your
Pilates as Strength Training, Can You Overfuel on Long Runs, If Max Cushion Shoes are Harmful and More: Our Hot (Science-based) Takes
Pilates as Strength Training, Can You Overfuel on Long Runs, If Max Cushion Shoes are Harmful and More: Our Hot (Science-based) Takes Aug 1, 2026 00:32:02 In this episode, we bring a nuanced, science-based approach to many hot topics in running right now. What causes muscle cramps? Does Pilates count as strength training? Should slower runners wear carbon plated shoes? Is it possible to overfuel on long runs? Our goal is to provide individualized guidance, rather than click-baity universalized proclamations. In this episode, we provide our informed
Sweat, Sodium, and Running Performance: What the Science Actually Says
Sweat, Sodium, and Running Performance: What the Science Actually Says Jul 25, 2026 00:35:46 You likely have heard both sides of the debate, as one side argues that sodium supplementation is overrated, while the other side shills sports drinks with a full gram of sodium. In this episode, we dive into the research to present you with a nuanced, science-backed discussion on the widely varying sodium needs of runners. You will learn how to determine your sweat rate and sodium needs, if sodiu
The Science of the Long Run: Why It Matters More Than You Think
The Science of the Long Run: Why It Matters More Than You Think Jul 18, 2026 00:44:09 The long run is a staple of training plans from the 5K to ultra - but why? In this episode, we discuss the science of long runs, including the physiological adaptations, progressions, specificity and more. Plus, we answer your questions about why sleep is difficult after a long run, if walk breaks are okay, and if you treadmill long runs at a lower heart rate are better than outdoors.Thank you to
Gut Training for Runners: How to Fuel Without Stomach Problems with Claire Shorenstein, MS CSSD
Gut Training for Runners: How to Fuel Without Stomach Problems with Claire Shorenstein, MS CSSD Jul 11, 2026 00:38:43 Most runners have experienced sloshy stomach, nausea, urgency, or other GI issues during a race or run. However, GI problems do not have to be a part of running! We discuss gut training with board-certified sports dietitian Claire Shorenstein. You will learn protocols for gut training, if gut training reverses during your taper, and how to pick the fuel that sits best with you.Thank you to our spo
What Research Actually Says About Ferritin, Iron Deficiency, and Running
What Research Actually Says About Ferritin, Iron Deficiency, and Running Jul 4, 2026 00:36:04 Are you noticing that you are tired all the time and cannot seem to hit your paces in training? Those are not symptoms to ignore. Sometimes, these are signs of low ferritin levels that warrant bloodwork and a doctor visit. In this episode, we examine the research on low ferritin and running, including the causes, how to treat, and how to prevent low ferritin.Thank you to our sponsors:✨ Mizuno: Sho

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