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09.05.2026 New claim submitted for Mental Calculation, Division 09.05.2026 New claim submitted for Mental Calculation, Square Roots 23.01.2026 New claim submitted for Pull-ups, 3 Minutes, Male Keywords: (e.g football beer mat)	Listed below are the verified claims for the record listed. Smallest Tridem - Current world record 1. The smallest rideable tridem bike (a bicycle for three riders) was just 44.5 centimetres (17 1/2 inches) long. It was ridden by the TRIWENGOS (Switzerland) in 2004 in Therwil (Switzerland) for a distance of 16.6 m (18.1 yd)     The Book of Alternative records - World records, record breakers and more!