

Tread Lightly Running Podcast
Amanda Brooks and Laura Norris
The Tread Lightly Running Podcast provides data-driven, evidence-based running advice in a practical, accessible, and inclusive manner. . You'll learn about how to run faster, marathon training, the latest fueling science, how to prevent running injury, and more.
Tread Lightly Running Podcast is co-hosted by Amanda Brooks and Laura Norris, MSc. Together, they have over 20 years of coaching experience and have helped thousands of runners reach their goals through 1:1 coaching and group training. They've appeared in Runner's World, SELF, NPR, Outside, and other major media.
Tread Lightly Running Podcast is co-hosted by Amanda Brooks and Laura Norris, MSc. Together, they have over 20 years of coaching experience and have helped thousands of runners reach their goals through 1:1 coaching and group training. They've appeared in Runner's World, SELF, NPR, Outside, and other major media.
Episodes
Mentioned books

Mar 8, 2025 • 36min
Ketones, Sodium Bicarb, and Other Supplements for Runners
Ketones, bicarb, creatine, and more - there are more supplements for runners on the market now more than ever. We discuss some of the most popular supplements for runners, including the research, potential benefits, risks, and more. In this episode, you’ll learn about:Branched chain amino acids (BCAAs)Ketone monoester supplementationSodium bicarbonate (“bicarb”) supplementsBlack currant supplementsCreatine for runnersThis episode is general guidance. Please consult a medical profession for individual guidance when selecting supplements. This episode is sponsored by Previnex! Previnex creates clinically effective supplements made with high-quality ingredients. Their Muscle Health Plus contains third-party tested creatine monohydrate, BCAAs, and other ingredients to reduce muscle soreness and improve muscle mass and strength. Use the code treadlightly for 15% off your first order at previnex.com.References: PMID: 28638350PMID: 20386134PMID: 38625669PMID: 16365087PMID: 37185454PMID: 31730565PMID: 32269653PMID: 31699159PMID: 31039280PMID: 37565450PMID: 38612966PMID: 39068627PMID: 34756350PMID: 34503527PMID: 33487131PMID: 34470913PMID: 29619595PMID: 32460873PMID: 37096381Jeukendrup & Gleeson. (2016) Sport Nutrition, 3rd edition. Human Kinetics. https://examine.com/research-feed/study/dxqRN1/?srsltid=AfmBOooIOe4LpwUVPkqXLZSANqWymBfJWWTWZ2GG9owMPcFNMr_QLpRe💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews. 🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend! 👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Mar 1, 2025 • 35min
Becoming a Sustainable Runner with Tina Muir
We sat down for a thought-provoking discussion with Tina Muir, former elite runner and sustainability advocate. Tina brings a balanced and accessible approach to how runners can reduce environmental waste and make small, effective changes for climate justice. Tina hosts the Running for Real podcast, on which she discusses climate justice and social change. She is the co-author of Becoming a Sustainable Runner, is the Sustainability Director of the 2025 World Road Running Championships, and has assisted numerous races in their sustainability initiatives. In this episode, you’ll learn about: Why sustainability matters for runners How are habits as runners can build into sustainability Running-specific changes for sustainability Does purchasing carbon offsets help? How offset environmental waste around your races How you can recycle gel wrappers, etc How small actions compound The impact of racing locally vs destination racesYou can connect with Tina:https://tinamuir.com/Running for Real podcastTinamuir88 on Instagram💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews. 🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend! 👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Feb 20, 2025 • 36min
How to PR in the Marathon
After completing a marathon or two, most runners set their sights on running their fastest marathon. However, when you train for a marathon PR, it’s too easy to fall into the trap of overreaching, or to end up injured. In this episode, we’ll guide you through how to train for a marathon PR - and actually reach that PR on race day. The advice is this episode is targeted towards intermediate and experienced marathoners; if you are running your first marathon, we recommend tuning into episode 17 (how to run your first marathon). In this episode, you’ll learn about:Mindset in training for a marathon PRHow to adjust if you are sick on race dayHow many weeks do you need to train for a marathon PR?How to build a racing schedule for a marathon PR goalWhat to change in your training to run your fastest marathonHow much intensity should you do in marathon training?Join us on Patreon: https://patreon.com/TreadLightlyRunningThis episode is sponsored by Previnex! Previnex creates clinically effective supplements made with high-quality ingredients. Their probiotic provides 30 million CFUS with six bacteria strains - and unlike other brands, their probiotic works! Use the code treadlightly for 15% off your first order at previnex.com.References: PMID: 39616560PMID: 39616560💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on everything running, from training tips to gear reviews. You can also find Laura Norris Running on Youtube!🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend! 👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Feb 15, 2025 • 30min
Is Running Selfish, Running with Ankle Weights, and More Listener Q&A!
You asked, and we answered - it’s another Q&A episode! In these episodes, you can pick our brains as experienced running coaches. All answers are generalized, not individual. We answer your questions, including: Is running selfish? How do you add in speedwork as a beginner? How do you prevent overstriding and increase your cadence? How does wind impact your running paces? Does creatine supplementation help runners? Should you run with ankle weights? Are compression socks useful?References and Resources: PMID: 38809851 PMID: 38665681 Wind Calculator:https://apps.runningwritings.com/wind-calculator/ More on creatine research:https://lauranorrisrunning.com/creatine-for-runners/ Compression sock guide:https://runtothefinish.com/best-compression-socks-for-running/ Compression sock research:https://lauranorrisrunning.com/compression-socks-for-runners/Use the code treadlightly for 15% off your first order atprevinex.com for the Previnex creatine/muscle health supplement. 💻 Visit lauranorrisrunning.com andruntothefinish.com for thousands of free articles on all things running, from training tips to gear reviews. 🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend! 👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Feb 8, 2025 • 30min
102: How Much Mobility Do Runners Need?
Mobility is a buzzword in the fitness space - but what does it actually mean? Can improving your mobility help you run faster? Do you need complicated routines, or just a few intentional movements? We sort through the trends to bring you an evidence-based and practical approach to mobility for runners.
In this episode, you’ll learn:
The difference between mobility and flexibility
Why does mobility matter for runners?
The relationship between mobility, flexibility, and running economy
Does greater mobility reduce your injury risk?
Does foam rolling improve mobility?
How to do mobility exercises for runners
Does yoga count as mobility
This episode is sponsored by Previnex! Previnex creates clinically effective supplements made with high-quality ingredients. Their Muscle Health Plus contains third-party tested creatine monohydrate, BCAAs, and other ingredients to reduce muscle soreness and improve muscle mass and strength. Use the code treadlightly for 15% off your first order at previnex.com.
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!
Resources:
Haff & Triplett, Essentials of Strength Training and Conditioning. Human Kinetics.
Dicharry, Jay. Running Rewired. 2nd edition.
PMID: 38446400
PMID: 19050648

Feb 1, 2025 • 35min
101: How to Run Faster by Using Cross-Training for Runners with Mary Johnson
Is cross-training just for injured runners, or could it unlock your best running performance? We are joined in this episode by Mary Johnson, a running coach who recently ran a 3:08 at CIM. Mary has embraced cross-training as both an athlete and a coach; in this episode, she shares how it’s helped her get faster - and how it can do the same for you.
In this episode, you’ll learn:
What counts as cross-training for runners?
If all runners benefit from cross-training
How doing workouts in cross-training can improve your fitness
If your heart rate is the same on cross-training workouts
How to motivate yourself to do cross-training
If cross-training is ever detrimental for runners
Mary has been a running coach since 2016 and is the founder of the popular Lift Run Perform coaching group. You can connect with her at itsamarython on Instagram or email at mary@liftrunperform.com.
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Jan 25, 2025 • 34min
100: Understanding Different Marathon Training Plans and Methodologies
You’ve likely encountered all sorts of different marathon training plans - Higdon, Hansons, Run Less Run Faster, Low Heart Rate, and more. You may have wondered which of these plans, if any, is right for you - and we are here to take that guesswork out for you! In this episode, two seasoned running coaches examine different marathon training methodologies.
This is episode 100 and we want to thank each and everyone of you for listening and supporting the podcast!
Discussion points include:
Defining the 80/20 principle
The Hansons Marathon Method
MAF Method/Low Heart Rate Training
The Run Less, Run Faster Method
Jack Daniels Formula/VDOT
Canova/Percentage-Based Methods
This episode is sponsored by Previnex! Previnex creates clinically effective supplements made with high-quality ingredients. Their Muscle Health Plus contains third-party tested creatine monohydrate, BCAAs, and other ingredients to reduce muscle soreness and improve muscle mass and strength. Use the code treadlightly for 15% off your first order at previnex.com.
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Jan 18, 2025 • 33min
99: Does Heel Striking Cause Injury? Myth vs Science on Running Injuries
Is heel striking bad? Should you change your running form? You’ve probably heard conflicting answers on your questions about running injuries - so we bring the science to work through myth vs supported theory on running injuries. We also share approaches for actually reducing your injury risk - and these may surprise you.
Discussion points include:
Does heel striking cause injury?
Should you change your running form?
Do max-cushioned shoes increase injury risk?
Did you get injured because you didn’t stretch enough?
Can running on concrete cause injury?
Will zero drop running shoes reduce injury risk?
Can you skip eating before runs?
Is strength training protective against injury?
What can you do to mitigate injury risk?
This episode is sponsored by Final Surge. Whether you are a running coach or an athlete, start your new year off strong with Final Surge! Final Surge offers training plans for runners of all abilities, as well as a user-friendly platform to track your progress. If you are a coach, Final Surge provides a comprehensive training platform to develop plans and analyze your ath
Go to https://www.finalsurge.com/ and use RUNTOTHEFINISH for 10% off your first coaching purchase (monthly or yearly) or RUNTOTHEFINISH for 10% off any training plan purchase.
References:
PMID: 38053265
PMID: 29791183
PMID: 34386286
PMID: 26304644
PMID: 22927504
https://journals.lww.com/nsca-scj/Abstract/2020/02000/Influence_of_Gait_Retraining_on_Running_Economy__A.3.aspx
https://onlinelibrary.wiley.com/doi/10.1002/jbmr.4658?af=R
https://www.doctorsofrunning.com/2024/01/monday-shakeout-can-running-shoes.html
Ryan Norris, Mechanical Engineering PE (on explanation of concrete vs asphalt)
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Jan 11, 2025 • 35min
98: Is Sugar Bad for Runners? Dispelling Common Fueling Myths with Cortney Berling, RD, MPH
You’ve likely heard that high sugar consumption has health risks - so how do you reconcile that with your need to fuel as a runner? Is sugar bad for runners, or is it a necessary fuel source for your fastest running and healthiest self? (Spoiler: it's the latter!) We brought on Cortney Berling, RD, MPH, to dispel common myths about sugar for runners.
Discussion points include:
Defining the different types of sugar
What’s the difference between using candy and gels on runs?
Whole foods vs engineered sports nutrition products
Does sugar have the same impact on your blood sugar while running as it does at rest?
Do runners need to worry about the health risks of taking sugar in gels?
When and how should you fuel your runs?
Is it beneficial to combine different types of sugars on your runs?
What should runners do about their sugar cravings?
Can you train your body to not need sugar during a run?
This episode is sponsored by Previnex! Previnex creates clinically effective supplements made with high-quality ingredients. Their probiotic provides 30 million CFUS with six bacteria strains - and unlike other brands, their probiotic works! Use the code treadlightly for 15% off your first order at previnex.com.
Thank you for Cortney for joining us! Cortney Berling is a registered dietitian focused on working with runners and female athletes. You can connect with Cortney on Instagram: eatwell.run better or work with her at https://www.eatwellrunbetter.com/roadto262.
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!

Jan 4, 2025 • 30min
97: Should You Run Everyday? What Running Coaches Think of Run Streaks
We take an informed deep dive on run streaks. Who benefits from run streaks (if anyone)? What are the risks and drawbacks? Are there alternative goals you can set?
Discussion points include:
What defines a running streak?
Why are running streaks so popular?
What are the drawbacks of run streaks?
When should you stop a running streak?
How to safely do a run streak
Alternative activity streaks
What to do if you feel like you need to run every day
If you enjoyed this episode, you may also like:
24: The Science of Overtraining
82: Hybrid Training as Health Training with Dr Alyssa Olenick
83: What Happens to Your Body after a Marathon
90: How to Prevent Bone Stress Fractures with Dr. Nathan Carlson
96: Why You Should Warm-Up Before Runs and How to Do It
This episode is sponsored by Final Surge. Whether you are a running coach or an athlete, start your new year off strong with Final Surge! Final Surge offers training plans for runners of all abilities, as well as a user-friendly platform to track your progress. If you are a coach, Final Surge provides a comprehensive training platform to develop plans and analyze your athlete's workouts.
Go to https://www.finalsurge.com/ and use RUNTOTHEFINISH for 10% off your first coaching purchase (monthly or yearly) or RUNTOTHEFINISH for 10% off any training plan purchase.
💻 Visit lauranorrisrunning.com and runtothefinish.com for thousands of free articles on all things running, from training tips to gear reviews.
🎙️ Please rate, review, and subscribe on Apple Podcasts or follow and comment on Spotify. If you enjoyed this episode, please share with a friend!
👉 Follow us @treadlightlyrunning @runtothefinish and @lauranorrisrunning on Instagram!