Tag Archives: gu comps

Eating calories on a long run is a no-brainer. So as endurance athletes, we’re constantly trying out new types of fuel during our training runs so that we know what works when it comes time to run a marathon or beyond. When it comes down to it, GU is goo. While they all seem to boast roughly the same amount of calories, and some have caffeine (some don’t), the flavor is what helps keep the GU from coming back up … Continue reading →