Aching Muscles and bones?

I've just had intermediate/Junior athletics and I push my self as hard as i could and did really well, unfortunately i think i pushed my self a bit to hard and now i have sore knees, thighs, calves, hips, guts and a headache i have also have been coughing a little bit is any/all of this normal and if so is there any thing i can do to stop/prevent it.