UPPERVILLE, VA., JUNE 10 -- Megan Furth rode Nimmerdor to defeat 17 other entries, including

Rodney Jenkins, and win the $1,000 Johnny Walker Challenge Open Jumper

competition today at the Upperville Colt and Horse Show.

Furth is 15, and in her first year of competition on the American

Grandprix Association circuit. Jenkins, 43, of Orange, Va., is show