Organizers for this year's 24 Hours of Booty cycling event for cancer research will hold a kickoff party at 6:30 p.m. April 7 at 5 Seasons Brewing, 3655 Old Milton Parkway, Alpharetta. The party will provide information and an opportunity to pre-register for the second annual fundraiser scheduled for Oct. 1 at Stone Mountain Park. The event raises funds for cancer research and programs with LIVESTRONG and Aflac Cancer Center of Children’s Healthcare of Atlanta, the local beneficiary.