How Often Should You Fuel During Long Runs?

By Jeff Gaudette
Published Dec. 3, 2012
Updated Dec. 4, 2012 at 10:46 AM UTC

Learn how to improve the critical fuel efficiency element of the marathon while maintaining consistency in your training.

Running coaches and exercise physiologists have long debated the potential benefits and possible disadvantages to performing long runs during marathon training on an empty stomach or fully fueled. Unfortunately, scientific literature hasn’t provided runners with a clear cut answer to that question. However, by looking at the available evidence, and combining that with practical examples, we’ll show you how to use both in your training to maximize performance.

FILED UNDER: Nutrition / Training TAGS: Glycogen Depletion / glycogen loading / Long Runs / Marathon Training / race fueling

Jeff Gaudette

Jeff has been running for 13 years, at all levels of the sport. He was a two time Division-I All-American in Cross Country while at Brown University and competed professionally for 4 years after college for the Hansons-Brooks Distance Project. Jeff's writing has been featured in Running Times magazine, Endurance Magazine, as well as numerous local magazine fitness columns.