Thought I'd share this for anyone interested. I think I'm going to buy the option for the half. I know nothing about the race, but I DO know that I'm an extreme tightwad and $40 for a half seems pretty good.
Groupon: http://www.groupon.com/deals/usra-half-marathon-series-8?p=19&utm_source=newsletter&utm_medium=email&sid=56d140df-36da-4251-9025-ae08b2edff8a&division=nashville&user=7c23fac4f38314905e9043d3900d18096eed30200416fbd86742ccb7960884a3&date=20130219&s=body&c=deal_img&d=deal-page&utm_campaign=usra-half-marathon-series-8
Event info: http://www.usrahalf.com/page/show/431283-fifth-annual-clarksville-half-marathon
I don't half-ass anything
"I have several close friends who have run marathons, a word that is actually derived from two Swahili words: mara, which means 'to die a horrible death' and thon, which means 'for a stupid T-shirt.' Look it up." - Celia Rivenbark, You Can't Drink All Day if You Don't Start in the Morning