Senior men’s tumbler Kalon Ludvigson of Pocatello, Idaho/Team Revolution, and junior women’s tumbler Kainoa Park of Pocatello, Idaho/Team Revolution, will compete in corresponding trampoline and tumbling events this weekend in Sofia, Bulgaria. Ludvigson, who is the reigning World Cup Series Tumbling Champion, will compete at the senior World Cup “Astronaut Aleksandrov” event, while Park will take part in the junior event, the Sofia Cup. Competition for both events will run from Oct. 3-7.