VROOM VROOM, BABY! Caffeine is THE most widely consumed psychoactive substance in the world, and it's one of the most commonly available ergogenic aids (i.e. substances that can improve athletic performance). In this episode we talk about the research behind caffeine and its effect on endurance performance, "fast" and "slow" metabolizers, dosing, timing, the placebo effect, caffeine's effect on heart rate, and more!

Coach Elisabeth is the Founder and Head Coach at Running Explained, 6x marathoner, multi-certified coach, Boston Qualifier, and enthusiastic believer in your ability to turn the impossible into the possible. Whether you're a brand new runner or have been pounding the pavement for decades, she believes there is always more to learn about running and always more that running can teach us about life. C⁠⁠⁠⁠⁠rush your goals with a Running Explained training plan, masterclass, group coaching, or 1:1 coaching⁠⁠⁠⁠⁠, or learn from her meticulously researched ⁠⁠⁠⁠⁠Instagram posts on a wide variety of running-related topics⁠⁠⁠⁠⁠!

References:

Bangsbo, J., Jacobsen, K., Nordberg, N., Christensen, N. J., & Graham, T. (1992). Acute and habitual caffeine ingestion and metabolic responses to steady-state exercise. Journal of applied physiology (Bethesda, Md. : 1985), 72(4), 1297–1303. https://doi.org/10.1152/jappl.1992.72.4.1297 Barreto, G., Grecco, B., Merola, P., Reis, C. E. G., Gualano, B., & Saunders, B. (2021). Novel insights on caffeine supplementation, CYP1A2 genotype, physiological responses and exercise performance. European journal of applied physiology, 121(3), 749–769. https://doi.org/10.1007/s00421-020-04571-7 Beedie, C. J., Stuart, E. M., Coleman, D. A., & Foad, A. J. (2006). Placebo effects of caffeine on cycling performance. Medicine and science in sports and exercise, 38(12), 2159–2164. https://doi.org/10.1249/01.mss.0000233805.56315.a9

Collado-Mateo D, Lavín-Pérez AM, Merellano-Navarro E, Coso JD. Effect of Acute Caffeine Intake on the Fat Oxidation Rate during Exercise: A Systematic Review and Meta-Analysis. Nutrients. 2020 Nov 24;12(12):3603. doi: 10.3390/nu12123603. PMID: 33255240; PMCID: PMC7760526. Glaister, M., Williams, B. H., Muniz-Pumares, D., Balsalobre-Fernández, C., & Foley, P. (2016). The Effects of Caffeine Supplementation on Physiological Responses to Submaximal Exercise in Endurance-Trained Men. PloS one, 11(8), e0161375. https://doi.org/10.1371/journal.pone.0161375 Guest, N. S., VanDusseldorp, T. A., Nelson, M. T., Grgic, J., Schoenfeld, B. J., Jenkins, N. D. M., Arent, S. M., Antonio, J., Stout, J. R., Trexler, E. T., Smith-Ryan, A. E., Goldstein, E. R., Kalman, D. S., & Campbell, B. I. (2021). International society of sports nutrition position stand: caffeine and exercise performance. Journal of the International Society of Sports Nutrition, 18(1), 1. https://doi.org/10.1186/s12970-020-00383-4

McClaran SR, Wetter TJ. Low doses of caffeine reduce heart rate during submaximal cycle ergometry. J Int Soc Sports Nutr. 2007 Oct 9;4:11. doi: 10.1186/1550-2783-4-11. PMID: 17925021; PMCID: PMC2164943.

"Why am I GAINING weight in marathon training?? I'm running so much!" This week Holley Samuel, RD, returns to the pod for a conversation about weight loss, weight gain, 'weight anxiety', performance, health, and so much more!

KEY HIGHLIGHTS

• Reasons for Weight Gain During Marathon Training
• Shifting the Focus from Appearance to Performance and Health
• Embracing Body Changes Throughout Different Stages of Life
• Challenging the Moralistic View of Weight
• Inclusivity and Health in Larger Bodies
• Breaking Stereotypes in the Running Community
• appearance vs. Performance in Elite Athletes
• Seeking Multiple Opinions and Focusing on Overall Health

GUEST BIO Holley Samuel is a dietitian, personal trainer, master of education & eating disorders, and podcaster at her virtual practice Holley Fueled Nutrition. Holley works with runners and helps them learn to fuel their bodies without restriction, make peace with food, and prevent injuries to become stronger and faster runners for life. https://holleyfuelednutrition.com

HOST BIO Coach Elisabeth is the Founder and Head Coach at Running Explained, 6x marathoner, multi-certified coach, Boston Qualifier, and enthusiastic believer in your ability to turn the impossible into the possible. Whether you're a brand new runner or have been pounding the pavement for decades, she believes there is always more to learn about running and always more that running can teach us about life. C⁠⁠⁠⁠⁠rush your goals with a Running Explained training plan, masterclass, group coaching, or 1:1 coaching⁠⁠⁠⁠⁠, or learn from her meticulously researched ⁠⁠⁠⁠⁠Instagram posts on a wide variety of running-related topics⁠⁠⁠⁠⁠

HOW TO RUN BETTER IN THE HEAT: everything you need to know about heat acclimation/acclimatization, heat adaptation benefits, how long those benefits last, passive vs active heat training methods, cooling strategies, and hyperhydration!

KEY TOPICS

• Differentiating Heat Acclimation and Heat Acclimatization
• Methods of Heat Training for Runners
• Benefits of Heat Acclimation for Runners
• Physiological Changes in Heat Acclimation
• Cooling Strategies for Hot Weather Performance
• Hyperhydration Strategies for Improved Performance in the Heat
• Considerations for Individual Hydration Needs in Extreme Conditions

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Coach Elisabeth is the Founder and Head Coach at Running Explained, 6x marathoner, multi-certified coach, Boston Qualifier, and enthusiastic believer in your ability to turn the impossible into the possible. Whether you're a brand new runner or have been pounding the pavement for decades, she believes there is always more to learn about running and always more that running can teach us about life. C⁠⁠⁠⁠rush your goals with a Running Explained training plan, masterclass, group coaching, or 1:1 coaching⁠⁠⁠⁠, or learn from her meticulously researched ⁠⁠⁠⁠Instagram posts on a wide variety of running-related topics⁠⁠⁠⁠!