58: Mid Season Fuel: Marathon Nutrition, Race Day GI Issues & Fueling Strategies Answered episode artwork

EPISODE · May 13, 2026 · 15 MIN

58: Mid Season Fuel: Marathon Nutrition, Race Day GI Issues & Fueling Strategies Answered

from Endurance Eats · host Alex Larson

If your long runs suddenly feel harder, your stomach is acting up mid-workout, or your energy crashes halfway through training, this episode with Alex Larson is your mid-season nutrition reset button. 🏃‍♀️⚡Instead of a full deep-dive marathon nutrition masterclass, this episode focuses on the practical fueling adjustments runners should be making during the middle of a training cycle, when fatigue starts stacking up and fueling mistakes become more obvious.Alex answers common runner questions around:Timing gels earlier to prevent energy dipsCarb loading before big training runs and racesNatural fuel options like maple syrupManaging acid reflux and GI issues during runsHydration mistakes runners make mid-seasonWhat to eat before and after long runs for better recovery00:00 Introduction and episode overview00:33 Understanding insulin response and energy boosts from gels01:55 Strategies to prevent energy lows and delay fatigue03:16 The role of carb loading in marathon performance04:13 Using natural fuels like maple syrup for endurance07:21 Managing acid reflux and GI issues during races09:14 Addressing vomiting and gut issues during races12:00 Post-race nutrition and hydration tips14:16 Pre-race dinner and race morning nutrition15:37 Final tips for race day fueling and hydrationThis episode of Endurance Eats is brought to you by Alex Larson’s 1:1 Nutrition Coaching.If you’ve ever wondered, Am I eating enough? Am I fueling this right? Why do I still feel tired? you’re not alone. Alex Larson Nutrition helps endurance athletes cut through the confusion and build a fueling plan that actually works for their training, lifestyle, and goals.This Episode is Brought to You By Carb Culture ShopGrab your merch from the shop with saying that endurance athletes just get!You can learn more at ⁠alexlarsonnutrition.com⁠. This episode is brought to you by Thorne. Shop Thorne Supplements and get 15% off  https://www.thorne.com/u/alexlarsonnutrition Resources Mentioned in This Episode: Apply for 1:1 Coaching with an ALN Dietitian https://alexlarsonnutrition.comFREE Carb Loading 101 Guide https://alexlarsonnutrition.myflodesk.com/carb-loadingCarb loading episodeSweat test calculator Blog Fueling after A RacePancake bowl recipeCreatine episodeConnect with Me:Instagram: @alexlarsonnutritionWebsite: alexlarsonnutrition.comDon’t Forget to Subscribe!Click that follow button to stay updated on future episodes packed with actionable insights and expert advice for endurance athletes.Have Questions or Suggestions?Send me a message, and I might cover it in a future episode!

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