while training is also an absolute must. As a rough guide, try to drink 500ml of water, diluted juice or a sports drink two hours before a run, and another 150ml just before you leave. During If you plan to run for less than an hour, plain water should
products on the marketI manage about 300-500ml sports drink in a marathon and maybe a few sweets. Some energy gels have to be taken with water, others can be tolerated without. In theory you also need to eat within 20 minutes of a long run - if you can