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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. Treadmill, 100 km, Women - Current world record 1. Anne Stephan (Germany) ran 100 km on a treadmill in a time of 8:14:19 hr on 8 May 2021 in Berlin, Germany.   Previous verified claims 1. Adinda Vetsuypens (Belgium) ran 100 km on a treadmill in a time of 8:21:22 hours on 23 January 2021 in Sitn-Martems-Latem (near Ghent), Belgium.     The Book of Alternative records - World records, record breakers and more!