NU NROTC painted the Rock to advertise their 5K Fun Run, taking place this Saturday, April 18 on the south point of the Lakefill. Registration starts at 2 p.m. and the race starts at 3 p.m. You can pre-register online here for $10, or register on-site for $15. Extra prizes will be offered for dressing in military-themed attire. The proceeds will benefit USO — Operation Enduring Care.