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The Dos and Don’ts of Race Day Fueling

Written on November 1, 2013 at 1:56 pm , by

Ben recently finished the Ironman World Championships in Kona, Hawaii just under the 10 hour mark. NBD. (Photo courtesy of X2Performance)

Granola-topped yogurt or smoothie? Power bar or peanut butter on toast? Coffee or juice? Why is it that, come race day, we always question fueling? Lucky for those running in this weekend’s New York City Marathon (and anyone else looking to tackle a big race anytime soon), we got the 26.2 diet dirt from sports nutrition expert Ben Greenfield. The coach, ex-bodybuilder and Ironman triathlete is the go-to pro on prepping for peak performance. Here are Ben’s top five tips on eating for the run and recovery. Hint: Carb-loading isn’t all that it’s cracked up to be.

Stick to what you know. OK, you’ve heard this before, but according to Ben, many athletes still break down mentally and try something out of the ordinary the week—or even day—of the race. Not a good idea. “Do exactly in the race as you have practiced in training,” he says. “Remember to train with what you’re going to use in the race about four to six times before the race. That’s what it’s going to take to train your gut to get used to the fuels you plan on using.”

Carbs: A yes…sort of. “If athletes limit carbohydrates, then taking in extra during race week become far less important,” says Greenfield. Should you decide to nosh on a bagel or big bowl of pasta, two to three days prior to the race will do the trick. Ben’s easy-to-digest suggestions: sweet potatoes, taro and white rice. (Phew, I guess we can still use the excuse that we’re carb-loading…)

Rule of yum. When it comes to pre-run drinks, err on the side of caution. “Juice is simply empty calories that actually has potential to cause blood sugar spikes,”  explains Greenfield. But what about java? Stick to just one cup, so long as you have sipped on it prior to a long run in the past. No one wants an unplanned porta potty pit stop.

To GU or not to GU? That is always the halfway point question, and according to Greenfield, energy chews/replenishers may not be as necessary as you think. “The more sodium you take in, the more your kidneys are going to push out,” he says. Opt for electrolyte capsules such as Athlytes, Endurolytes or Salt Stick instead of the sugar-laden stuff. Effervescent tablets like Nuun or GU Brew are also good options.

Recover like a champ. The old school ways of thinking—foam rolling, ice bath, massage, post-workout shakes—are instilled in our brain for a reason. They work! In addition, Greenfield suggests a few options that may not have crossed your mind. “I’ve found the occasional acupuncture session to be an incredibly useful method for everything from nagging aches and paints to full-blown adrenal fatigue,” he admits. Another tactic to consider? Deload (also known as an easy “recovery week”) every four to eight weeks, according to Greenfield. Hey, it can actually improve your fitness levels, especially since it takes a minimum of 72 hours to recover from a tough run.

Still concerned about what to eat the morning of your race? Greenfield suggests blending (it’s easier on your digestive system!) an energizing kale smoothie with coconut water or coconut milk. “Blending or juicing helps to pre-digest the food so your body doesn’t have to work as hard during digestion,” he says. This frees up precious energy for you to devote to your stride! For efforts greater than three hours in duration, add 20-30 grams of protein powder to the mix (Ben’s fave is Mt. Capra’s DEEP 30 protein). Ben also swears by ATP energy sources like X2Performance to naturally increase energy, enhance endurance and improve recovery. Best of luck this weekend, runners! You’re going to kick major asphalt.

Now tell us: How do you fuel up for a big race?