More Drag Boat racing coming to San Angelo this year. Lucas Oil Drag Boat Racing Series Officials say they will host two races annually at Lake Nasworthy. Lucas Oil has taken over promoting the event from the Chamber of Commerce. The races will kick off with an event June 23rd through the 25th, and will return to Lake Nasworthy on September 30th for a two day event. Officials say those who have supported the local race in the past, by securing RV spots, viewing spots and VIP tables, will be contacted for renewals and reservations.