#113: How to Finish Every Race Strong Marathon Tips from My Sister's First Marathon

My new book Running Breakthroughs just launched and is available as audiobook, hardcover, paperback and ebook. Get incredible Book Launch Bonuses when you order now at I sat down with my sister Janneke to reflect on her journey from being injury-prone and inconsistent to running her first marathon with a 5 minute negative split in 3:53 (1:59 first half, 1:54 second half). We discuss how to run a negative split, finish a race strong every time, low HR training, self belief and more. Watch this full video on YouTube: CHAPTERS: 0:00 – Finish Strong: Janneke's first marathon lessons 0:55 – Running Breakthroughs book is out NOW! 02:39 – My favorite running apparel by Path Projects 3:24 – Introducing Janneke & Amsterdam Marathon check-in 6:05 – Low heart rate training and building consistency 8:13 – How Janneke overcame injuries 10:47 – Tips for runners struggling with slow easy runs 11:27 – How Janneke noticed progress 13:40 – Building confidence through longer runs 15:18 – Finding rhythm and consistency 16:25 – How to stay motivated on tough days 19:23 – Growing up in a running family 23:00 – How to dial in your race day nutrition 24:00 – Fueling and hydration: training vs. race day 25:21 – Race plan: pacing, heart rate, and goals 30:47 – Halfway point reflections (21K mark) 33:11 – How music can boost performance 34:05 – Breaking the marathon into 3 parts 39:03 – Nutrition strategy during the race 40:23 – Emotions in the final stretch 44:10 – Facing pre-race nerves and fears 48:51 – Planning the next marathon 50:01 – Reflections on patience, balance, and growth 52:57 – Closing thoughts and how to be a stronger, happier, & stronger athlete LINKS & TOOLS MENTIONED ► Buy Running Breakthroughs Book and get amazing Book Launch bonuses: ► Buy my book on Amazon Worldwide - ► Heart Rate Calculator: ► PB Program: ► Eliud Kipchoge episode: ► Courtney Dauwalter episode: ► Dr. Phil Maffetone episode: ► Dr. Stephen Seiler episode: YOU CAN FIND ME, COACH FLORIS GIERMAN HERE: ► Our Personal Best Coaching Program: ► YouTube: ► Strava: ► Instagram: ► Extramilest: ► Path Projects: ► Podcast: 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. ABOUT THE EXTRAMILEST SHOW: A podcast and YouTube channel where host Floris Gierman interviews world class athletes, coaches and health experts on the topic of how to become a stronger, healthier and happier athlete. More info about our Personal Best Running Coaching Program can be found at .

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#113: How to Finish Every Race Strong Marathon Tips from My Sister's First Marathon is an episode from The Extramilest Podcast by Floris Gierman.

This episode is 56:00 long.

This episode was published on Nov 20, 2025.

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