Will i lose weight if i do this?

eating ony one 500cal meal a day will not help you lose weight as well as eating say 5 200cal meals a day because it will keep your digestive system running so even in between meals you will burn food, ya running is one of the best ways to lose weight rather than walking or even biking. water will help but you dont need to drink that much. the water is used to break apart carbs in your diet making you digest more food quickely. this is probably one of the healthiest fast ways to lose weight. i do this pre wrestling season, when it gets close to the time you need to lose weight and you still havent lost enough you can cut the meals to like 3 meals and wen you run, run in sweats and a hoodie in a heated room.