Raining Can't ride what do you do??

We just had Tropical Storm Faye here and we got 13 inches of rain, which we needed, but I have standing water in my arena, round pen and pasture. And it keeps raining everyday so it is not getting any better. So, my question is what do you do with your horses when you can't work them?? I have groomed, tied every other day and I think they are enjoying the vacation but I usually ride my show horses at least 4 times a week and we are going on a week with no riding. (Tomorrow I am going to a trainers just to get a ride in with a trailor full). Other then that what I can I do to keep them from just standing around until it dries up??

Bleh I hate when the weather misbehaves like that! It has happened here a few times where I have a comp coming up and the weather prevents me from riding. I would trailer my pony somewhere with a usable arena/paddock or I would just do some road work. The roads around here don't flood very often so I would just take them around the block a couple times trotting and cantering where safe on the grass verges.

Ah, that's no fun. :( If the weather's bad, I usually just groom.