nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq2hn2ksx6dm9dmchfme5zsmvyd6wj35ylje9pjvusgxkx9ultgdvsc0lsen (nprofile…lsen)
I found this list of people who completed the challenge
https://www.scribd.com/document/166298310/72oz-Steak-Eaters
Supposedly the record fastest time is under 5 minutes.
https://bigtexan.com/pages/faq
Scroll down near the bottom. The same person did it three times once in 20 minutes.