Our expert says:
Well done, I'm inspired, I think it's great that you are committed, I hope that your progress matches your committment!
The first thing that I think you need to do is go for a physical/medical screen just to make sure that you are safe to exercise. Not that I mean to alarm you or anything, but it's important for anyone to have some idea of their risk status, and in your case, maybe more so because we do know that being overweight (and being on the way to diabetic, as you mention) is a risk factor. So to be on the safe side, i would have this checked out. It may also help to explain that numbness and lightheadedness, which I must confess I'm not 100% sure of. I suspect it may be blood pressure related, particularly the light headedness. The only other explanation I can think of is low blood glucose, but this seems unlikely, and so my leaning is for blood pressure. That will correct itself over time as you get fitter, so hopefully, no problem.
If I may make a suggestion, if you are trying to run 2,4 km but not getting to the distance, then don't continue to try to run that far only to fail at say 2,1 km. Rather split it up deliberately, maybe into two halves of 1,2 km, with a short, 2 minute walk rest. If that works, then increase the distance of the halves to 1,4 km, for a total distance of 2,8 km. Another week and you can increase to 1,6 km with the 2 or 3 minute rest. By the time you can run two halves of 1,6 km, you should be able to run 2,4 km without stopping. So the point is that rather than fight it and run to exhaustion, use those little rest periods to help you increase the TOTAL distance, and you'll get fitter.
Other than this, keep it up, and if you have any other questions, let me know!
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