Participants are needed for the 2021 Leigh Ann Bolinskey Memorial 5K Run/Walk on Dec. 11 in Big Stone Gap to benefit the Mountain Laurel Cancer Support & Resource Center. This year’s 5K will be a night race, starting and finishing at Big Stone Gap Visitor Center and taking participants through three miles of holiday lights and decorations on the town’s Greenbelt Trail. Registration will open at 5 p.m. The race will begin at 6 p.m.