4min chapter

The Physical Performance Show cover image

178: Expert Edition: Trent Stellingwerff - (PhD) Director Performance Solutions Canadian Sport Institute-Fuelling for endurance sports & Energy Availability

The Physical Performance Show

CHAPTER

How to Fuel for a Four Hour Marathon

Ironman triathlete Jan Frodeno famously walked the aid station, still running the 240 marathon off the bike. He would just absolutely know that the last 10 to 20 percent of any prolonged endurance race over two hours or over 90 minutes can really go south if you don't feel properly. Taking 30 seconds extra at an aid station could buy minutes, if not tens, to 20 minutes in types of speeds and races he's doing.

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