The Hopkinton Parks & Recreation Department, in collaboration with the Friends of Hopkinton Skate Park and the Hopkinton Freedom Team, is hosting a free Skateboard/BMX Jam at the Hopkinton Middle School outdoor basketball courts on Sunday, Aug. 25, from 10 a.m.-1 p.m. Representatives from Friends of Hopkinton Skate Park will answer questions about the skate park, skateboarding/BMX and the culture. They also will demonstrate obstacles and basic riding skills. Skateboard and BMX enthusiasts of all abilities and skill levels are encouraged to participate. For more information and to register, visit hopkintonma.myrec.com.