Exercising while fasting carries a risk that's often overlooked: dehydration. During Ramadan, we fast for nearly 13 hours, meaning our bodies can't replenish fluids as usual.
The WHO also emphasizes the importance of maintaining a balanced diet and drinking enough water during Ramadan. However, excessive exercise can cause rapid fluid loss, which can be quite dangerous.
If you're still unsure how to manage your exercise during Ramadan and stay properly hydrated, you've come to the right place. This article will help you develop a strategy for exercising and avoiding the risk of dehydration.
Why is Hydration Important When Exercising During Ramadan?
Hydration during exercise during Ramadan plays a crucial role because fluids help your body maintain a stable body temperature. When you move, your body produces heat, which then cools itself down through sweat.
The problem here is that during fasting, you can't immediately replace lost fluids. If your body loses too much fluid, it becomes harder for your body to regulate its temperature, and you're more likely to feel hot, weak, or uncomfortable during exercise.
Dehydration can also directly impair exercise performance. When fluids are low, blood flow and muscle function become less efficient, leading to faster energy loss, heavier breathing, and decreased focus.
As a result, exercises that normally feel easy can feel much more strenuous. This is why during fasting, you need to be more selective in managing your training time and intensity, rather than pushing the pace like normal. If left untreated, dehydration can increase the risk of cramps, dizziness, and excessive fatigue.
Also Read: Simple Home Workout Tips During Ramadan: Don't Be Afraid of Breaking Your Fast
Hydration Strategy Based on Exercise Time
1. Before Breaking the Fast
If you exercise before breaking the fast, the safest strategy is to choose a low-to-moderate intensity to stay active without depleting too much fluid. Focus on controlled exercises like brisk walking, a leisurely stationary bike ride, mobility exercises, or light bodyweight training for short durations.
The goal isn't to achieve performance, but to maintain fitness while minimizing the risk of feeling weak, dizzy, or dehydrated before the call to prayer. As soon as the call to prayer sounds, rehydrate immediately. Start by gradually drinking water, then move on to foods that promote recovery.
2. After breaking the fast
If you exercise after breaking the fast, the most important hydration strategy is to drink enough before exercising, rather than immediately exercising in a "revenge" mode. After breaking the fast, start with water first, then take a short break to allow your body to relax.
You can also add electrolyte drinks if your workout is long or involves a lot of sweat. The goal is simple: when you start exercising, your body will be more prepared and less likely to become fatigued due to dehydration.
Additionally, keep water available during your workout and drink small sips regularly. Don't wait until you're extremely thirsty. Thirst is usually a sign that your body is becoming dehydrated.
Also Read: Recommended 15-Minute Exercise Before Breaking the Fast
3. After Tarawih Prayer
If you exercise after Tarawih prayers, a hydration strategy remains important because your body has fasted all day and fluids haven't been fully replaced. Before exercising, make sure you drink enough water when breaking the fast and after a light dinner.
During exercise, drink small sips gradually to make it easier on your stomach. After you're done, continue drinking to replace the fluids lost through sweat, especially if the exercise was intense or prolonged.
Because you're exercising at night, you also need to increase your fluid intake before bed to avoid waking up dehydrated. Simple signs of adequate hydration include a clear mouth, a feeling of not being overly tired, and a lighter urine color.
Do You Need Electronic Drinks While Fasting?
While fasting, electrolyte drinks aren't always necessary. For most people, if they're doing light activity and don't sweat much, water during suhoor and iftar is usually sufficient to maintain hydration.
The CDC also emphasizes the importance of water to prevent dehydration, and fluid needs can increase during hot weather, increased activity, fever, or diarrhea/vomiting. Electrolyte drinks are even more important if you sweat a lot or if your body loses fluids due to illness.
The Cleveland Clinic also calls sports drinks specialty drinks, so they're not meant to be consumed simply to quench thirst. The difference is that water focuses on fluid replacement, while isotonic/electrolyte drinks help replace fluids and minerals lost through sweat.
Natural electrolyte alternatives you can use during iftar (pre-dawn meal) include coconut water, milk, high-water fruits (watermelon, oranges), or soups/broths, while still prioritizing water as the foundation for hydration. The CDC also reminds us that daily fluid intake should not only come from water, but also from other beverages and high-water foods.
Plan Your Hydration Well to Keep Your Fasting Safe
Hydration during Ramadan should be planned, not spontaneous. Many people only drink a lot when they're extremely thirsty, which often leaves them feeling weak and uncomfortable.
To ensure a safe fast and maintain a healthy body, you need to manage your fluid intake from the start. This is especially true if you're still actively working or exercising, as your fluid needs are often more challenging. The key is fluid distribution from breaking the fast until the pre-dawn meal, then adjusting it to the intensity of your exercise and your physical condition.
This means don't drink a lot all at once, but spread it out gradually after breaking the fast, at night, and during sahur (pre-dawn meal) to ensure better absorption. If you're exercising more intensely, sweating a lot, or in hot weather, you need to be more mindful of your fluid intake.
