On a sunny late morning in Chicago last summer, I told Ted Erikson about the nutrition plan I’d recently used for Tampa and MIMS. My plan called for an hourly cycle of two Maxim feeds and one Perpetuem feed. Ted sort of chuckled, and then said something I’ll never forget: “You know, Evan… all you really need is glucose.”
And he’s right: Glucose is the basic unit of energy. Whether you feed on Gatorade or Maxim, it all ends up as glucose anyway. I mention this story because it’s worth remembering as you read what follows. When I said in the previous post that “some carbs are better than others,” I don’t mean that maltodextrin is the be-all-end-all, magical elixir of marathon swimming. It’s not. Many swimmers – including some of the best – have used “simple sugars” to fuel a marathon swim. You can, too!
However, it’s my view (based on both research and experience) that the basic recommendation to an aspiring marathon swimmer – in the absence of strong preferences otherwise – should be a maltodextrin-based fuel. …