If you are under-trained, you may not be able to return to the finish point of race.
If you are over-trained, you may not be able to stand on the starting point of the race.
If you are under-trained, you may not be able to return to the finish point of race.
If you are over-trained, you may not be able to stand on the starting point of the race.
Be careful 大圍兄, this is the 1st sign of burn out. Back off the mileage and you will be fine. The training distance isn't black and white written in the book. If you feel tiring, just skip it. No big deal!