We have a little stream running by our house and if you have your rain suit on and wellies too you are allowed in! Not usually with the bike mind you.
And here he is making the most of the mud. At the end of his cycling in mud sessions; we go straight around the back of the house and get hosed off.
However, we are hoping that the clothing is changing over the coming bank holiday and that we will be in a t-shirt and shorts. I will report back later on that one.