[WB] 10x10x10 BLD 54:43.77 single by Graham Siggins
https://www.youtube.com/watch?v=kS8pFxtzJz8
According to the description, he starting in 2018, going back and forth to MBLD with long breaks. It took him around 85 attempts in total, with multiple sub-1 hour fails, off by 1 or 2 mistakes.
He will now try 11BLD.
Holy sh*t, Siggins is a beast at BLD.