Sports Nutrition
Running Nutrition: Best Sweets for Pre-, Mid-, and Post-Run Fueling
For runners, "sweets" refer to easily digestible, high-glycemic carbohydrates like ripe bananas, dates, or energy gels that provide quick energy and aid rapid glycogen replenishment for fueling before, during, and immediately after runs.
What sweets are good for running?
For runners, "sweets" primarily refer to easily digestible, high-glycemic carbohydrates that provide quick energy or aid rapid glycogen replenishment, making them beneficial for fueling before, during, and immediately after runs, especially for moderate to long distances.
The Role of Carbohydrates in Running
Carbohydrates are the primary and most efficient fuel source for high-intensity and endurance exercise. When consumed, carbohydrates are broken down into glucose, which is then used directly for energy or stored as glycogen in the liver and muscles. For runners, maintaining adequate carbohydrate stores is crucial for performance, preventing fatigue, and supporting recovery. While complex carbohydrates (like whole grains, vegetables) provide sustained energy, simple sugars – often found in what we commonly call "sweets" – offer rapid energy delivery, making them strategically valuable at specific points around a run.
Pre-Run Fueling: The "Sweet" Spot
Before a run, especially one lasting over 60 minutes, consuming simple carbohydrates can top off glycogen stores and provide readily available glucose for immediate energy. The key is to choose options that are low in fiber and fat to minimize gastrointestinal distress.
- Ripe Bananas: An excellent source of easily digestible carbohydrates, potassium, and magnesium. A medium banana provides around 27g of carbs.
- Dates: Naturally sweet and packed with quick-release sugars, plus some potassium. A few dates (2-3) can offer a significant carb boost.
- Honey or Jam: Spread on a small piece of white toast or a rice cake, these provide pure simple sugars for rapid absorption.
- Dried Fruit (e.g., Raisins, Apricots): Concentrated sources of sugar and energy. Consume in moderation to avoid excessive fiber, especially close to the run.
- Energy Chews or Gels: Specifically formulated for athletes, these deliver concentrated simple sugars (often glucose, maltodextrin, or fructose) in an easily digestible format.
Timing is crucial: Consume these "sweets" 30-60 minutes before your run to allow for digestion and absorption. For very sensitive stomachs, 1.5-2 hours might be better.
Mid-Run Fueling: Sustaining Energy
During runs lasting longer than 60-75 minutes, muscle and liver glycogen stores begin to deplete. Consuming simple carbohydrates mid-run is essential to maintain blood glucose levels, spare glycogen, and prevent "hitting the wall." The goal here is rapid absorption and minimal digestive effort.
- Energy Gels: The most popular choice for their portability, concentrated energy, and quick absorption. They typically provide 20-25g of carbohydrates per serving.
- Energy Chews: Similar to gels but in a solid, chewable form. They offer a controlled dose of carbohydrates and can be easier for some to consume than gels.
- Gummy Bears or Jelly Beans: Many runners find these effective due to their high simple sugar content (often glucose syrup) and lack of fiber or fat. Approximately 10-15 gummy bears can provide around 20-25g of carbs.
- Hard Candies (e.g., Mints, Lollipops): These can provide a steady trickle of sugar and help with dry mouth. They are less concentrated than gels/chews but can be useful for lower intensity or longer, slower efforts.
- Dried Fruit (e.g., Raisins, Dates): While good pre-run, use sparingly mid-run for those with sensitive stomachs due to fiber content.
Hydration is vital: Always consume mid-run carbohydrates with water to facilitate absorption and prevent gastrointestinal distress. Aim for 30-60g of carbohydrates per hour for runs exceeding 75 minutes, increasing to 60-90g/hour for very long efforts (2.5+ hours) depending on training and tolerance.
Post-Run Recovery: Replenishing Glycogen
Immediately after a run, especially a hard or long one, the body is primed to absorb carbohydrates and protein to kickstart recovery. Simple sugars are beneficial here for their rapid impact on glycogen resynthesis.
- Fruit (e.g., Bananas, Grapes, Berries): Provide simple sugars, vitamins, and antioxidants.
- Chocolate Milk: An excellent recovery drink, offering a beneficial carbohydrate-to-protein ratio (typically 3:1 or 4:1), which is ideal for glycogen replenishment and muscle repair. The sugars in milk are lactose and sucrose.
- Smoothies with Fruit and Honey: Easily digestible and customizable with added protein powder.
- Sweetened Yogurt with Fruit: Provides carbohydrates, protein, and probiotics.
Aim to consume carbohydrates within 30-60 minutes post-run for optimal glycogen replenishment. Combining simple carbohydrates with protein is key for comprehensive recovery.
Important Considerations and Cautions
While certain "sweets" can be beneficial, it's crucial to approach their consumption strategically and understand individual differences.
- Individual Tolerance: What works for one runner may cause gastrointestinal issues for another. Always test new fueling strategies during training, not on race day.
- Fructose vs. Glucose: Glucose is absorbed more rapidly than fructose. Many gels and chews combine both to utilize different transporters in the gut, maximizing carbohydrate delivery. High amounts of fructose alone can lead to digestive upset in some individuals.
- Fiber and Fat Content: Avoid "sweets" high in fiber or fat immediately before or during a run, as these slow digestion and can cause stomach cramps, bloating, or necessitate bathroom breaks. A standard chocolate bar, for instance, is usually too high in fat for mid-run fueling.
- Training Your Gut: The gut is trainable. Gradually introduce fueling strategies during longer training runs to adapt your digestive system.
- Dental Health: Frequent consumption of sugary items, especially sticky ones, can impact dental health. Rinse your mouth with water frequently during and after consumption.
- Overall Diet: These "sweets" are supplemental performance aids, not replacements for a balanced diet rich in whole, nutrient-dense foods.
Conclusion
When chosen and timed correctly, certain "sweets" serve as highly effective tools in a runner's nutritional arsenal. They provide the quick, accessible carbohydrates essential for fueling performance and accelerating recovery. However, their use should be strategic, tested in training, and integrated within a broader, balanced dietary approach. Focus on options that prioritize simple sugars, are low in fiber and fat, and are well-tolerated by your individual digestive system to optimize your running performance and recovery.
Key Takeaways
- Easily digestible, high-glycemic carbohydrates, commonly referred to as "sweets," are crucial for quick energy and glycogen replenishment for runners.
- Strategic consumption of simple sugars before a run (e.g., ripe bananas, dates) helps top off glycogen stores and provides readily available glucose for immediate energy.
- During runs over 60-75 minutes, mid-run simple carbohydrates like energy gels or gummy bears are vital to maintain blood glucose levels, spare glycogen, and prevent fatigue.
- Post-run, simple sugars combined with protein (e.g., chocolate milk, fruit smoothies) accelerate glycogen resynthesis and support muscle repair.
- Always test new fueling strategies during training, consider individual tolerance, prioritize low-fiber and low-fat options, and integrate these aids within a broader, balanced dietary approach.
Frequently Asked Questions
Why are certain "sweets" beneficial for runners?
For runners, "sweets" are primarily easily digestible, high-glycemic carbohydrates that provide quick energy or aid rapid glycogen replenishment, crucial for fueling before, during, and immediately after runs.
What are good "sweets" to consume before a run?
Before a run, good options include ripe bananas, dates, honey or jam on white toast, dried fruit, and energy chews or gels, consumed 30-60 minutes prior to minimize gastrointestinal distress.
What should runners eat during long runs for energy?
During runs over 60-75 minutes, energy gels, energy chews, gummy bears, jelly beans, or hard candies provide rapid absorption and sustained energy, with 30-60g of carbs per hour recommended for most efforts.
What "sweets" are best for post-run recovery?
After a run, focus on simple sugars combined with protein for optimal recovery, such as fruit, chocolate milk, smoothies with fruit and honey, or sweetened yogurt with fruit, consumed within 30-60 minutes.
What are important considerations when using "sweets" for running?
Key considerations include individual tolerance, avoiding high fiber/fat options immediately before or during runs, gradually training your gut, maintaining dental hygiene, and ensuring these are supplements to a balanced overall diet.