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2025 DONNA Marathon Weekend Registration Opens July 1. #DestinationFearless Register Now »

NEW MARATHON COURSE! The DONNA Marathon and Half Marathon to Finish Breast Cancer Course presented by Genentech will begin and end at Seawalk Pavilion in the heart of Jacksonville Beach, Florida. Instead of continuing South, in 2023 marathon runners will complete the first half of the course again, offering a double loop design. Runners will enjoy a flat, fast Boston-qualifying marathon through three beautiful beach communities of Jacksonville Beach, Neptune Beach, and Atlantic Beach with scenic views and an outpouring of crowd support. Preview the course »