Typically sports drinks and energy gels are provided as well as water.

Recommendations for how often to take an energy gel during the race range widely.

A new thing called energy gel.

Most hands-free waist-mounted hydration packs also offer storage for keys or energy gels.

He has also created a range of sports drinks and energy gels named PeakFuel.

During that ill-fated race, she hadn't kept track of her fluids or energy gels because, she said, she was "young, dumb and happy."

"The sherpas," as she calls them, were in charge of the hydration, the energy gels, the pace, the split times.

And the last 5-7 miles were tough considerable pain, several walk breaks, and surprising hunger, despite eating a solid breakfast and bringing extra energy gels.

Most energy gels have no fat, fiber, or protein, so they can be digested quickly.

The recommended use of an energy gel is 15 minutes before starting and 30-45 minutes after starting the endurance exercise.