I ran this race last year and it was a great course, lots of fun [here are 2011 results]. Portions of the course are the same as the Greenway Challenge 5k. From the race organizers:
COURSE DESCRIPTION
3.1 mile undulating course that starts and finishes on the beautiful campus of the Black Mountain Neuro-Medical Treatment Center.
2011 Mountain Splendor Start – left to right Jeff Bloomer, Greg Pearce, Kelly Allen (female winner), Dennis Duffy and Joe Watson (male winner).
REGISTRATION DETAILS
Entry Fee: $20 early registration until October 1st.
$25 after October 1st.
$5 discount for seniors (60 & up).
Beautiful course and well managed.