RUNNING NUTRITION TIPS
The course is 42.2 km — a marathon. It winds through city streets, up and over a steep hill, down to the ocean, and then back. You’ve trained for this event for several months. You’re at the starting line now, waiting for the signal from the starter’s gun, going over in your mind each detail of the race strategy — how fast to go out, how much to expend on the hill, and the kick at the finish.
Now fast-forward to the 18th Kilometre. You made the turn at the beach and are a good way into the long ascent back towards downtown. You’re well aware that there’s still a punishing hill between you and your goal. This is where the race beat you last time. Tired, cramping, and dehydrated, you imploded on the hill, and it was all you could do to drag yourself across that finish line.
If you’re a distance runner, you probably have a story like this. Maybe it was a half marathon, or a shorter distance event, in unanticipated hot and humid conditions, or an ultraendurance event. There are some physical challenges where if you don’t have a fine-tuned race-day strategy, the course will swallow you up and spit you out. The fact is that distance running is one of those extreme challenges that puts your body, your training, and your gear to the test. Sports nutrition can make the difference between barely finishing a race and finishing strong.
Distance runners train for and compete in a variety of race lengths, with the most common being 3.1 to 6.2 miles (5–10 km), half marathons of 13.1 miles (21.1 km), and full marathons of 26.2 miles (42.2 km). If you’re a recreational runner, you may log 30 miles (50 km) per week in training. Your events are often club races, fun runs, and maybe a half marathon or marathon every year or so. Elite distance runners log more miles, with training workouts once or even twice daily. These workouts may include long runs, track sessions, water running, and strength training.
Running seems simple enough. Just strap on a pair of shoes and go. But running long distances at a strenuous pace puts an incredible strain on your body. Contracting leg muscles are rapidly burning fuel and generating internal body heat. And that’s in comfortable weather conditions. Add heat or humidity to the mix, and the physical and metabolic toll rises incrementally. If you want to maintain your running pace and achieve a strong finish, you have to stay hydrated and fueled. You can extend your endurance and keep fatigue at bay by having a well-conceived and practiced performance sports nutrition plan.
The three most important principles of a sports nutrition strategy for distance running are to hydrate, to provide fuel for your muscles, and to promote optimal recovery after training or racing. Applying these principles in combination with the correct sports nutrition products can help maximize the gains from your training, and help ensure that you run your best race.

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BEFORE THE RUN
START HYDRATED
- Start hydrating 24 hours prior to your run/race
- Check urine color: Lemonade color = well-hydrated; apple juice color = drink more fluid
- 2–3 hours before exercise: Drink 14–20 fl oz of water or sports drink (400–600 ml)
- During active warm-up: Drink another 8 fl oz (240 ml) — about 8 gulps
WHAT AND WHEN TO EAT
- Focus on carbs
- 2–4 Hours before a run/race meals should be high-carb, moderate protein, low-fat, and low-fiber
- Check urine color: Lemonade color = well-hydrated; apple juice color = drink more fluid
- If you have more time before a run/race (4 hours) eat more; if you have less time (2 hours) eat less to avoid stomach distress
- Eat a high carb snack 30-60 minutes before a run/race to top off fuel stores
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DURING THE RUN
STAY HYDRATED AND FUELED
- Drink fluids as often as possible. Never skip a drink stand during a race. Take fluids with you on longer training runs.
- Be sure to get 30-60 grams of carbs per hour (for exercise >1 hour) or 45-90 grams of carbs per hour (for exercise >2 hours) to help delay fatigue and improve performance
- Stay in your hydration zone by drinking 400-800ml of water or sports drink each hour (if you sweat more drink more)
- Consume a sports drink with sodium, especially in hot and humid conditions
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AFTER THE RUN
RECOVERY STARTS AS SOON AS YOU FINISH
- To start your muscle recovery, consume foods/fluids with carbs and protein within 30 minutes after exercise
- Graze on a series of snacks/beverages every 15–60 minutes in the early recovery phase
- Sports drinks, protein bars and recovery shakes make convenient and portable recovery foods
- Be prepared! Pack snacks in your gear bag
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