Anyone done the Baker Trail 50 miler?

Was wondering if anyone has done this trail run....looking for something close enough to me the weekend of August 25th would rather do a 50K but think a 50 miler would be ok training for a 100K at the end of September.  This would only be about a 6 hour drive. Im in Southern Ohio and also am working on the 50 states, my 100K is in ohio and I've already done several marathons or more in Ohio but couldnt pass up a first year 100K that is only an hour drive!!!  It's called Not Yo Momma 100 if anyone is interested in it....they have a 25K 50K 75K 100K and 100 miler and its at Great Seal Park.

http://rachelcarsontrails.org/bt/ultrachallenge