Competitor® 200404000 15" White Second Hand for Battery Powered Pace Clock. Competitor® pace clocks offer a unique face design with highly visible large numbers at critical intervals for ease of use. This visibility is critical when performing training sets and for assessing improvement. Our swimming pace clocks are made from durable materials to resist the impact of pool chemicals and weather. They feature sweep-minute and second hands that are easy to see and designed to resist warping. Faces and hands are protected from damage and splashing by a clear Plexiglas® lens.