Tim Evans is organising 2 MTBO events in Yorkshire this weekend with winning times of 60 minutes. Please enter by April 29th if you want to reserve a map. You can read more about the MTBO league in 2016 here
Sunday 1st May Penistone Moor near Haworth starting at 1400 Enter here
Monday 2nd May Swinsty & Beecroft near Harrogate starting at 0900 Enter here
nymbo : north yorkshire mountain bike orienteers 
These will be excellent introduction to linear orienteering for those of you more used to score events, there is also some training routes on Sunday for all those who want a go. I have been out on Penistone moor this morning and the riding is superb with some nice single tracks and much to my surprise after my mapping ride in early April it was very dry