The 51st annual Roche de Boeuf Festival is slated for Saturday, September 28 from 9:00 a.m. to 5:00 p.m., but the fun starts on Friday night. The Run de Boeuf will set off from Waterville’s Memorial Park and Parker Square at 24 Water St. with a 5K at 6:00 p.m. and a kids’ 1K at 6:30 p.m. Coordinated by Second Sole Racing, Scout Troop 101 and the city, sign-ups for the race are available at runsign up.com.