Quote Originally Posted by Travs View Post
I saw this, but certainly won't be taking it for granted. I'm no RO, but I fail to see how they can guarantee that a fully marked course over 100 miles, won't be tampered with over the course of 48 hours on a busy Snowdonia weekend...

I'd also prefer unmarked, but the physical challenge still remains quite considerable... (bit of an understatement!)
Wise move never take anything for granted in any race of any distance.