Contamination?

Need some help with the dish I made, not sure if it's safe to eat. Any advice would be appreciated or suggestions, or comments. I marinated a chuck roast with some allegro, Stubbs, and bourbon. The next day, I put the chuck roast on the grill, poured the marinade into a pan underneath it to catch the drippings. Chuck roast and marinade were in the smoker at about 250 for four hours. Then I put the Chuck roast in aluminum foil, poured the marinade in the foil over the chuck roast, and wrapped it up. I kept that combination inside the smoker for about another three hours at about 275 to 300°. So, what do you think? Is it safe to eat? don't know if this is a stupid question but honestly I'm not sure given the contamination possibility. Chuck roast is all kinds of fork tender, and ready-to-eat. Thanks guys.