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04.10.2019
New claim submitted for Solving Rubiks 4 x 4 x 4 cube
25.09.2019
New claim submitted for Sack Racing, 100 m
18.09.2019
New claim submitted for Backwards-Running, 100 km

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(e.g football beer mat)
Listed below are the verified claims for the record listed.

Backwards-Running, 100 km - Current world record
1. The fastest 100 km run backwards was completed by Markus Jürgens (Germany). On 4 May 2019, he completed the 100K WHEW Ultramarathon in a time of 12:20:37 hr.

 
Previous verified claims
1. The fastest 100 km run backwards was completed by Ralf Klug (Germany) in 21:20:31 hours on 9-10 June 2016 in Bienne, Switzerland.

2. The fastest 100 km run backwards was completed by Hassan Kurt (Germany) in 21:34 hours on 11-12 June 2016 in Niederhöchstadt, Germany.
 
 
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