evilweed

I'm doing the Original Mountain Marathon (OMM) this weekend, it's a 2 day orienteering style race. You can read a bit about it here:

http://www.theomm.com/event-series/omm

I'm packing up my 20l race pack now, just wondering if any of you do any similar races in the US or anywhere else, or any other UK adventurer racers out there?