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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

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Listed below are the verified claims for the record listed.
Fastest Backwards Half-Marathon, Men - Current world record
1. Achim Aretz (Germany) ran a half marathon backwards in 1:40:29 hrs on 28 November 2009 in Essen, Germany.

 
 
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