Relay For Life of Winter Haven is the annual fundraiser to help support cancer research. As the largest fundraiser for the American Cancer Society with Relays held all over the world, now is the time to come and support your community. Event date: April 27 and 28, 2012. Event begins on Friday, April 27 at 6:00 pm with a Survivor Dinner; 7:00 pm is the Opening Ceremony; Luminaria Ceremony will be held at 9:30 pm; Closing Ceremony will be held on Saturday, April 28 at noon.