Any where to Practice DH

i have entered a few small downhill races so far and i just used XC trails to practice before a race but i want to go up too bigger races and XC trails just arnt cutting it i need something more extreme i know there is a place being built in gleflesk but a 3 hour drive 3 times a week just isnt practical is there any place to practice DH in dublin or with in an hour and a half of dublin

this has already being posted before but i just thought i would go for an updated post

its pretty stupid the way its illegal to ride in the forest i mean what harm is it doing