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The network said Tuesday it will air a summer competition series putting contestants through an arduous obstacle course, sort of a serious version of ABC’s “Wipeout” series, the Associated Press reports. Regional rounds will winnow a field of 100 contestants before a winner is chosen at a Las Vegas course.

Weekly episodes will air on NBC and G4; both networks are owned by the Comcast Corp. Spokesman Dave Welch said it hasn’t yet been determined how many episodes will air or when the show will premiere.

The competition began three years ago. NBC aired the finale last season and was pleased by the ratings, leading to the expansion.

Compiled from Web and wire service reports.