So, don't have too much burden on your weight.

Your problem now may be that you have more subcutaneous fat and look a little fat. As long as you adjust through exercise, you will get a good improvement.

Running is good training for you, but it is not a problem of 1000m, but a problem of systematic training.

Therefore; You need to pay attention to:

1, you must run for more than 20 minutes at a time to achieve effective aerobic metabolism and exercise your physical endurance. 1000 meter running belongs to middle-distance running and needs considerable endurance.

2. In the process of running training, long-distance running and sprint training can be combined. This is conducive to the improvement of running speed. If you can train carefully, your running performance will be improved obviously in a month or so.

3. Pay attention to rest and health care during training. It is enough to train about 4 times a week. The key is to be able to persist for a long time.