Some things, you just can't make up:

...On July 4th, in celebration of our Nation's birthday and National Watermelon Month, The National Watermelon Association will join Pathmark, Sweet Mama Produce, The Wumblers and numerous additional corporate sponsors in hosting the largest, nationally organized watermelon seed spitting competition for kids in the Northeast held at Six Flags Great Adventure in Jackson, NJ.

Kids between the ages of six and thirteen will compete on July 4th for the title of Watermelon Seed Spitting Champ 2009. ...

Watermelon will be free to the patrons of the park compliments of Sweet Mama Produce. The National Watermelon Queen as well as the chapter queens from both Florida and Maryland-Delaware will be handing out slices as well as assisting The National Watermelon Association officiate the event....

http://news.prnewswire.com/DisplayReleaseC...1772&EDATE=

How would one enter?

At Great Adventure, one would have to be the right age (6 to 13) and be in the park, to start with. If you have that covered, you can always call the park for more information:

Six Flags Great Adventure

Route 537

P.O. Box 120

Jackson, NJ 08527

732-928-1821