Most Rubik's Cubes solved while running a marathon

According to Official Guinness Records,

The most Rubik's Cubes solved whilst running a marathon is 254 and was achieved by Blair Williamson (New Zealand) at Christchurch, New Zealand, on 4 June 2017.Williamson achieved his record whilst running the Christchurch International Marathon.

For a complete list of 2017 records, please visit 2017 Guinness Records in New Zealand.

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