catamaranpowerboat races marathonShare on FacebookShare on Twitter222IMAGESPOWERBOATS SET TO THUNDER THROUGH MARATHON IN 7 MILE GRAND PRIXPOWERBOATS ARE COMING BACK TO MARATHON IN 2023Race World OffshorePOWERBOATS ROAR THROUGH KEY WEST HARBOR7 Mile Offshore Grand Prix to Speed into Marathon April 28-30Photos: 2010 Powerboat Marathon Race
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