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Sabrina Stanley, of Daly City, exits the tomato battle area at the Alameda County Fairgrounds in Pleasanton, Calif. on Saturday, Oct. 1, 2011. Participants danced to live music, participated in a costume contest and threw ripe tomatoes at each other. (DeanCoppola/Staff)

PLEASANTON -- It is a battle unlike any other.

The Tomato Battle is headed back to the Alameda County Fairgrounds on Sept. 29.

Armed only with over-ripe red tomatoes, participants will get two hours to annihilate their opponents as they work their way through thousands of pounds of the fruit.

Modeled after La Tomatina in Spain -- an annual festival at which a huge tomato fight annually ensues -- the event is expected to draw thousands and last roughly two hours.

Children under the age of 14 are not permitted. The event begins at noon with registration, live entertainment and a costume contest. The battle begins at 4 and ends at 6 p.m. The music and beer and food sales continue until 7 p.m.

Organizers, who staged events this summer in Denver, San Diego, Seattle, Irvine and Chicago, say the events draw as many as 5,000 battlers who toss about 300,000 pounds of roma tomatoes.

Tickets are $49.99 for those who take part in the battle, $29.99 for those who just watch, and are available at www.tomatobattle.com.

Battlers are encouraged to bring a change of clothes and to wear bathing suits or clothes they don't mind getting gooshy, swim goggles or sunglasses for eye protection and shoes with good tread.

Contact Katie Nelson at 925-847-2164 or follow her at Twitter.com/katienelson210.

tOMATO bATTLE
WHEN: Noon-7 p.m. Sept. 29,
WHERE: Alameda County Fairgrounds, 4501 Pleasanton Ave., Pleasanton
COST: $49.99. $29.99 to watch
DETAILS: www.tomatobattle.com