The St. Jude Memphis Marathon weekend is one the biggest events of the year in the Bluff City. The 5K and 10K start at 7 a.m., and the marathon and half-marathon start at 8 a.m. The kids’ marathon starts at 1:30 p.m. Registration fees vary and are selling out fast, so register now! And even if you don’t register to run, head out on December to cheer and support.