Still, there must have been some serious forethought put into making this happen.

Kudos to whoever engineered it. I'm impressed.

I tried to capture a screenshot of it using archive.today, and archive.org, but was not able to get either of those services to accurately capture a screenshot. So I snapped one myself, just in case mempool.space changes their code in such a way that it doesn't display it the same way anymore:

Notice the # of transactions in that block. I think that's a new record for bitcoin.

Read more about MARA here: https://www.coindesk.com/tech/2024/02/22/bitcoin-miner-marathon-to-start-slipstream-to-make-complex-btc-transactions-faster/