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Five tips for better fueling

Fueling for endurance activities requires its own kind of training, practicing and experimenting to nail down a strategy that works for you.  Dr. Allen Lim from Skratch Labs shares some of his tips after decades of coaching pro endurance athletes to help you find a fuel and hydration strategy that will help your body and mind perform at its best.

1. Eat and drink early and consistently 

Create a schedule for eating and drinking so that you don’t get behind. While every situation is different depending on the environment, as a general rule be prepared to have access to at least 1 to 1.5 liters and 250-350 calories (between food and drinks) from mostly carbohydrate per hour. Start eating and drinking just before or at the start of your event and repeat at least every 10-20 minutes throughout your event. 

But always remember to eat to hunger and drink to thirst. Having the flexibility to change one’s plan in real time based on how you feel optimizes safety and performance. So have a plan and listen to yourself. 

General rule: Replace at least half the calories you burn each hour and drink to thirst with a drink that has a similar sodium concentration as sweat (700-1000 mg of sodium per liter).  

Tip: Weigh yourself before and after exercise. Because the weight you lose is mostly water, a 1-pound loss is equal to about 16 ounces (473 ml) of fluid. Try not to lose more than 3 percent of your body weight in an event.  If you do, add more salt to your drink or food to drive thirst the next time you go out. 

2. Don’t just drink water

When we sweat, we lose water and electrolytes, 90% of which is salt or sodium chloride. Between sodium and chloride, it’s sodium that is most important for us to replace. 

Sodium sweat concentration is individual and can range from 500 to 1500 mg of sodium per liter of sweat. Of note, sweat is significantly less salty than blood, which has a concentration of about 3500 mg of sodium per liter. So, as we sweat the concentration of sodium in the blood rises. 

It’s this increase in blood sodium concentration that triggers thirst. To quench that thirst and restore sodium balance, less water is needed than was lost, since there’s not as much salt in the blood. Thus, drinking plain water to thirst can cause dehydration over a long period of time. 

The issue, however, isn’t with thirst – which is an important safety mechanism that keeps us from diluting our blood’s sodium balance. The issue is with plain water. To optimize both water balance and sodium balance, all you need to do is drink something that has a similar sodium concentration as your sweat. But, if all you have is water, just make sure not to force yourself to drink beyond thirst. 

General Rule: Drinking to thirst with a drink that has a similar sodium concentration as sweat will keep you in both sodium and water balance. 

Tip: The Sport Hydration Drink Mix by Skratch Labs contains a sodium concentration that is similar to sweat (800 mg of sodium per liter). But, since sodium sweat concentration can vary between individuals, if you are drinking to thirst with Skratch but come home more than 3% underweight, try incrementally adding more sodium to your drink mix by using their Wellness Hydration Drink Mix (1500 mg of sodium per liter) or Hyper Hydration Drink Mix (3500 mg of sodium per liter). Likewise, if you’ve gained weight during a training event, you may not need as much salt. In this case, just take a bottle of water with you or dilute your drink mix. 

3. Eat real food

While pre-packaged foods like bars, gels, and chews are convenient and tout performance, it’s important to realize that real food can work just as well if not better than engineered nutrition and is likely going to be easier to digest.  

General Rule: Sports nutrition comes from your kitchen, not just from a package. Take the time to prepare and bring delicious, high carb snacks that you will look forward to eating.  

Tip: A regular sandwich, a boiled potato with salt and parmesan, a banana or a rice cake can all give you the calories you need without upsetting your stomach the way a lot of sugary gels or sports bars can. Find more recipes in “The Feed Zone Cookbook” or “The Feed Zone Portables,” by Dr. Allen Lim and Chef Biju Thomas or on the Skratch Labs Blog

4. Learn what you need in training 

Competition day is not the day that you want to be experimenting with yourself or your fuel. So try different hydration and fueling strategies during training well before the big day. 

General Rule: Reduce the variability on competition day by already knowing how to fuel and hydrate yourself. This is part of your training!

Tip:  Keep a journal of your drinking and fueling experiences during training. 

5. Come in well-fed and well-rested

While proper training is obviously important, making sure you are well-rested coming into an event is sometimes even more critical. You can’t cram training, so as you approach the big day, make sure you are getting plenty of sleep and aren’t killing yourself in training the week leading into your event. 

General Rule: Eat and sleep more coming into an event. 

Tip: Just sleeping an extra hour each night the week before your event can significantly improve your performance. Finally, adding extra carbohydrate to your diet, and making sure you get plenty of calories the week before your event, will assure that your legs are fueled and ready to go.


The post Five tips for better fueling appeared first on EF Education First Pro Cycling.