The vanilla All Advancement discord has seen multiple posts of completed BaC AA runs, I'm not sure how well the videos of those runs have been preserved and could be submitted.

The times I can find are:

• 270:23 hours by AssassinJillian (1.19.2) 01/09/22 https://discord.com/channels/835893596992438372/865109454352941086/1014733289002639400

• 215:20 hours by TalkingMime (1.19) 29/11/22 https://discord.com/channels/835893596992438372/865109454352941086/1047119993793413220

• 333:5x? hours by Freshly (1.19, half-heart hardcore) 20/03/23 https://discord.com/channels/835893596992438372/865109454352941086/1087371532499685377

• 171:00 hours by tjthings (1.19, hardcore) 07/06/23 https://discord.com/channels/835893596992438372/865109454352941086/1115765465491460176

• 163:35 hours by Leonn (1.20, hardcore) 08/07/23 https://discord.com/channels/835893596992438372/865109454352941086/1127238037470974123

• 338:00 hours by energy9802 (1.19) 25/07/23 https://discord.com/channels/835893596992438372/865109454352941086/1133194188196941844

• 200:36 hours by MeisterMaki (1.19, hardcore) 02/09/23 https://discord.com/channels/835893596992438372/865109454352941086/1147329034489954315

• 129:11 hours by 2673tom (1.19, hardcore) 11/09/23 https://discord.com/channels/835893596992438372/1149350404145041428/1150909293055447080

• 194:45 hours by selmagamic (1.20) 21/10/23 https://discord.com/channels/835893596992438372/865109454352941086/1165366042944622642

It would be awesome, but the moderators wouldn't feel like checking out the races, I think, for the long time they would have.