When a 5k cost $35 and a half marathon cost $60, it is deal to run a small, flat and fast full marathon for $50. Join mRuns.com and its team of runners at Rocket City Marathon at Huntsville, Alabama on December 10th. Price goes up later today – Sept 30th 2011! Race limited only 1500. This race WILL sell out. Sign up NOW if you plan to run it.