For skateboarders who know how to do a little more than kick and push, check out the Red Bull Manny Mania competition during the South End Soul festival (which takes place in the Southend neighborhood June 18-19). Skaters must maneuver a "manual," a skateboard trick in which they ride a board on only two of its four wheels, in addition to other tricks to show judges they've got skills. For more information, visit www.redbullusa.com/mannymania. Free. Noon. In front of Black Sheep Skate Shop, 1504 Camden Road.