Seb,
Ian has just posted the start for the Gateside APR.
Tonight it is at Barrmill, see below for instructions.
The course is on this multimap posting:
http://www.multimap.com/map/browse.cgi? ... 0&down.y=7
Start / finish line is about half mile out of Barmill on the Beith road (B706).
Head towards Beith, turn left at the foot of the brae along 'Sharon Street', turn left again on the B707 to the top of the brae, and then left again along the C-class road after 2.5 miles to bring you back towards Barrmill. Turn left again to bring you onto the finishing straight.