The 2006 World Memory Champion, Clemens Mayer, used a 300-point-long journey through his house for his world record in "number half marathon", memorising 1040 random digits in a half-hour.
Jawara World Memory Championship 2006, Clemens Mayer dari Jerman, menggunakan perjalanan sebanyak 300-titik melalui "rumahnya" untuk rekor dunia dalam "maraton angka", menghafal 1.040 digit acak dalam waktu setengah jam.