Firstly you look straight ahead. if you don't look ahead you will crash into the people who running beside you.
Secondly you have to bend your arms if you don't bend your arms you will run slow like a big elephant.you should also bend your arms so you could run really fast when use are having a race.
Thirdly when you run you have to run on light feet and bend your arm at the same time so you could run fast like a cheetah .
Hope that helps.