This calculator is designed to make it easy for you to calculate exactly how much glycogen (or carbohydrates) you’re going to need in order to finish the marathon without hitting the wall.
I strongly encourage you to watch this video before entering your data so you understand what the calculator is trying to tell you.
Ready For More?
Then start our FREE Race Day Fueling email course!- The science behind this calculator You'll learn why your 5k pace and weight matter in terms of how quickly you'll burn through carbohydrates
- What carbohydrate is best Liquid, gels, food, glucose, fructose...there's a plethora of options and we'll help you determine which is best
- Do you need protein in your race day drink? To drink protein mid-run or not to drink protein mid-run? We look at the science to help you perfect your plan.
- Distance specific advice Our course covers fueling for the HM, marathon and ultra so the content is tailored to your race distance
- More delivered every week From case studies to scientific research, we'll help you learn how to best fuel for your next race
- You have bonked or hit the wall in your previous half, full or ultra marathon
- You've struggled with stomach issues, muscle cramping, or bathroom issues in previous races
- You're running your first HM, marathon or ultra and want to avoid the most common fueling mistakes
This free course is for you if...
What other runners are saying about our courses and webinars...
Michael explains training in a way that no other has ever done. Simple, exact, and actionable. Love it!- Michael Vaknin
Just did a free webinar with RunnersConnect on common marathon mistakes: WOW. 90 minutes jammed packed with amazing content! I've read a lot of training books and these theories and explanations make so much sense. - Jolene Hallas
Thank you Jeff for such an awesome webinar. I've completely changed my thoughts on my upcoming marathon thanks to you. Your ideas make so much sense and really explain why I keep bonking at mile 18- Ricky Hollis
As usual, Michael and the RunnersConnect team goes beyond all the simplistic advice you normally find in magazines and backs up all theories with research and pratical examples. - Brian Connors
Makes so much sense and amazing this information isn't available elsewhere. More importantly, highly actionable advice!- Jackie Hultz
