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Madison, Indiana  - July 2, 2016:  Boats line up at the dock before a Grand National Hydroplane qualification heat at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  Matt Mattson drives the GNH 76 in the Grand National Saturday qualification heat #1 at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  Danny Walls sits on his GNH 68 hydroplane while being towed to the pit area at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  Kevin Kreitzer in the GNH 515 and Scott Liddycoat in the GNH 18 race in the National Modified Saturday qualification heat #2 at the Madison Regatta in Madison, IndiaMadison, Indiana  - July 2, 2016:  Kevin Eacret drives the Leland Unlimited U-99.9 hydroplane in testing at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  Bill Whitlock drives the NM 12 in the National Modified Saturday qualification heat #3 at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  Jimmy Shane drives the Madison Racing U-1 in the Clifty Engineering & Tool Company Unlimited Heat 1A at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  J. Michael Kelly drives the Graham Trucking U-5 in the Morgan Foods Unlimited Heat 1B at the Madison Regatta in Madison, Indiana, July 2, 2016.Madison, Indiana  - July 2, 2016:  J. Michael Kelly drives the Graham Trucking U-5 in the Morgan Foods Unlimited Heat 1B at the Madison Regatta in Madison, Indiana, July 2, 2016.