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Pro Penn Marathon is Penn’s longest lasting tennis ball featuring exclusive Encore™ Technology for a 22% longer lasting core* and high tenacity LongPlay® felt for extended play. Pro Penn Marathon is the #1 choice of the USPTA Teaching Pros because of its guaranteed longevity, durability and visibility. Pro Penn Marathon is available in extra-duty felt (for hard courts), regular-duty felt (for soft courts) and extra-duty high altitude (for higher altitudes).
AMERICA'S #1 SELLING BALL: The result of 100 years worth of testing and perfecting; Penn is the standard by which all other tennis balls are measured.
LASTING DURABILITY: Pro Penn Marathon is Penn’s longest lasting tennis ball featuring exclusive Encore Technology for a 22% longer lasting core and high tenacity LongPlay Felt for extended play.
ALL COURTS: best suited for hard court matches, they can also be played on all indoor and outdoor softer, clay court surfaces as well.
CONSISTENT PLAY: Players all over the world choose Penn time and time again for reliable bounce and play not found anywhere else.
USTA APPROVED: Penn Tour balls are approved by the PTR so you’re sure to be playing with a high quality and consistent ball.