The Marathon Classic Presented by Dana is one of the longest running events on the LPGA Tour. The tournament was founded in 1984 and has been played yearly, except in 1986 and 2011, in Sylvania, Ohio. Since 1984, The Marathon Classic Presented by Owens Corning & O-I, has donated over $10.8M to 180 local children's charities. Through the teamwork of over 1,200 volunteers and 400 local businesses, the Marathon Classic is making a difference for children in northwest Ohio and southeast Michigan.