Yea. After today, i realised the main fallback i faced is that i
cant endure the 'very tiring' feeling on my legs. Guess i need to
improve on that. I was planning to increase stamina followed by
speed.
dude, based on my experience, its better to start from 3km, but if
you are not used to the rigours, then just jog at your slowest the
whole way, but try not to walk.
you'll get the best cramps you'll ever get if you're weak in
2.4km, but subsequently, you can increase the distance, and
possibly the speed although I dont really increase mine.
when the day of 2.4 comes, you'll find that jogging for 12 min
is really no sweat and can confidently push to your limit and pass
well.
For chin-ups, do more chin-ups. Push-ups dont significantly do
much to improve pull-ups for me.
For SBJ, again, do more SBJ, you can do many many tuck jumps,
but the technique and your mental processes will prove as important
during IPPT.