The Birmingham Vulcans Rugby Club hosts their 24th annual 7s tournament at Regions Park, (formerly known as the Hoover Met). Play will begin at 9 a.m. and end sometime around 3 p.m. Admission is free for spectators. Teams can register for $200 using Paypal.
You can always check out their Myspace page and find out some more about this club established in 1967. Check out the event page to find out more about the after-tournament party.