Date Athlete Record Championship
1998-08-20Tatiana Cooley-Marquardt49 digitsWorld Memory Championship 1998
1999-08-26Coral PARMAR158 digitsWorld Memory Championship 1999
2009-11-12Ron White169 digitsWorld Memory Championship 2009
2011-08-25Nelson DELLIS171 digitsUK Open Memory Championship 2011
2011-09-16Nelson DELLIS264 digitsGerman Open Memory Championship 2011
2013-11-30Nelson DELLIS339 digitsWorld Memory Championships 2013
2015-12-16Lance TSCHIRHART420 digitsWorld Memory Championships 2015
2016-07-02Alex MULLEN520 digitsIAM US Open 2016
2017-12-01Alex MULLEN568 digitsWorld Memory Championships 2017