Thanks to LMNT for sponsoring this video! Head to http://DrinkLMNT.com/FLO to get your free sample pack with any purchase.   Dr. Mark Cucuzzella has a marathon PB of 2 hours 24 minutes and ran Boston 30 times. He is a doctor, an author and professor of family medicine at West Virginia School of Medicine. He is also a Lieutenant Colonel in the Airforce Reserves, designing programs to reduce running injuries in military personnel.   Watch the full YouTube interview at https://youtu.be/C8rxNRDPMCI CHAPTERS: 03:23 the roots and growth of low heart rate training 12:41 learning from the best 15:11 starting out with low heart rate training and troubleshooting 20:21 balancing high and low intensity workouts 23:54 lactate shuttle, earning the right to do interval training 32:14 lactate testing 35:16 continuous glucose and heat rate monitoring 39:55 important blood work for athletes 53:49 medical concerns before training 56:42 running form, recreational and elite 1:03:22 running relaxed, race mantra, coping with discomfort 1:05:34 blue zones, Harvard longitudinal study of ageing 1:10:03 more about Dr. Mark 1:12:59 closing thoughts   Subscribe and hit the bell to see new videos: https://bit.ly/Flo-YT   ABOUT DR MARK CUCUZZELLA: Dr. Mark Cucuzzella has ran the Boston Marathon 25 times and has a Personal Best of 2:24 in the marathon. For 30 years he has run a sub 3-hour marathon. He is a doctor, author of the book Run For Your Life and professor of family medicine at West Virginia School of Medicine. Dr. Mark is also a Lieutenant Colonel in the Airforce Reserves, designing programs to reduce running injuries in military personnel. He own the Nation's first natural footwear store Two Rivers Treads and organizes running events to promote a healthier lifestyle.     LINKS AND TOOLS MENTIONED: Lydiard Foundation - https://www.lydiardfoundation.org/ Dr. Stephen Seiler TED Talk - https://youtu.be/MALsI0mJ09I The Borg scale - https://bit.ly/3HVlRF7 Polar OH1 heart rate monitor - https://amzn.to/3js4Vg3 Harvard longitudinal study of ageing - http://bit.ly/3jqglB1 Dr Mark Cucuzzella's running store - www.tworiverstreads.com Nutrisense: https://bit.ly/3Xebylh Continuous Glucose Monitor (CGM) - https://bit.ly/3Xebylh If you’d like to try NutriSense, the code FLO25 will give you $25 off the first month. LMNT electrolytes, free sample pack with any purchase: http://DrinkLMNT.com/FLO Affiliate Disclosure: I may earn commissions if you purchase items via my affiliate links. "As an affiliate I earn from qualifying purchases.” Affiliate links do not increase cost to you. Also, you do not need to use these links. You can also search for these same items in Amazon or on any search engine/shopping site of your choice and buy/research them that way.   PODCASTS MENTIONED: Dr Mark Cucuzzella, Round 1, Extramilest Show #18 - https://youtu.be/wCbr-dkUi7Q Dr Phil Maffetone, Extramilest Show #3 - https://youtu.be/_TPrenWWK9U Dr Phil Maffetone, Extramilest Show #8 - https://youtu.be/PWQOdquPTQ8 Dr Phil Maffetone, Extramilest Show #39 - https://youtu.be/DyE2J5pcWcA Mark Allen, Extramilest Show 5 - https://youtu.be/YlBUJTIggyA Dr Stephen Seiler on Extramilest Show #50: https://youtu.be/dxODgYXOO7w Kipchoge's Advice to Race Faster, For Non-Elites: https://youtu.be/7E6TNeoOC3Y Kilian Jornet on Extramilest Show #51: https://youtu.be/OJZO-t6O5Bk Kilian Jornet on Extramilest Show #52: https://youtu.be/OJZO-t6O5Bk Endure IQ Dr Dan Plews - http://bit.ly/3RxGgTD   FIND DR. MARK CUCUZZELLA HERE: Book: www.runforyourlifebook.com Personal site: www.drmarksdesk.com Education Site: www.naturalrunningcenter.com Store: www.tworiverstreads.com Event Series www.freedomsrun.org   YOU CAN FIND ME, FLORIS GIERMAN HERE: Personal Best Program: https://www.pbprogram.com/ YouTube: https://bit.ly/Flo-YT Podcast: https://extramilest.com/podcast/ Strava: https://www.strava.com/athletes/1329785 Instagram: https://www.in