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July 16 @ 7:30 am - 3:00 pm
A 20+ mile open water circumnavigation of Cape Ann, open to all seaworthy oar or paddle-powered craft. There is no rain date. Alternative courses will be in place for rough weather conditions or dense fog. Row it or paddle it if you can, then join the party afterward. Sponsored by the Cape Ann Rowing Club. Visit blackburnchallenge.com to participate and/or volunteer.