Palmetto Bluff Marathon, Half Marathon & 10K hosted by the Palmetto Running Company to benefit the Palmetto Bluff Conservancy. Race route goes through an intricate maze of rivers, islands and maritime forests. The marathon is on a USATF-certified course and a Boston Marathon Qualifier. After Party with live music, free beer and a free BBQ sandwich. (843) 815-1718 or palmettobluff.com.