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25.05.2026 New claim submitted for Backwards Stair Climbing, 1 Hour 09.05.2026 New claim submitted for Mental Calculation, Division 09.05.2026 New claim submitted for Mental Calculation, Square Roots Keywords: (e.g football beer mat)	Listed below are the verified claims for the record listed. 24 x 1 hr Treadmill Relay - Current world record 1. 24 runners from LG Laufzentrum Wipptal (Italy) covered a distance of 408.800 km [254.0 mi] on a treadmill on 12/13 May 2007 at the Brennerexpo fair 2007.     The Book of Alternative records - World records, record breakers and more!