It’s time again for the Rock n Roll Marathon! The event takes place tomorrow, June 22nd. Both the full and half marathons begin at 7:00am at the Seattle Center. The starting line is at 5th and Broad and the finish line is at Mercer and 4th Ave. You might still have a chance to register today for $150. There is no registration available the day of the race. Runners will be able to enjoy music being played by several bands along the route. Hot Chelle Rae will be headlining the event and playing at the finish line. There is expected to be over 20,ooo runners participating. The event raises money for the American Cancer Society and is a Seafair event.