Editor's note: This is a preview-only version of Mark Wahlberg's cover story in the July/August 2017 issue of Men's Fitness. For the full story, including exclusive content, pick up a copy on newsstands on Monday, June 26.

On a hilltop parking lot overlooking downtown Burbank, CA, Mark Wahlberg grabs a club from his Wahlburgers-branded golf bag, places a Wahlburgers-branded golf ball on the tee, and squares up, nonchalantly remarking to the real-life entourage of celebrity minders, groomers, and photographers on hand, “We’re gonna do about 210 with a 6 iron.”

The fantastically fit 46-year-old proceeds to smash the ball, slicing it over the heads of an unsuspecting foursome of golfers lingering near the seventh hole of a nearby municipal course. The ball rolls to a stop just beyond them, just beyond the green, a glorious 317-yard drive, according to the readout on his laser sighting scope.

This isn’t the first golf Wahlberg’s played today. The Boston-born actor/producer/sports nutrition entrepreneur/casual-dining franchise builder rose at 4 a.m.—as he does most days—hit the gym for an hour, then squeezed in a round of “cardio golf,” playing 18 holes in 90 blistering minutes.

“We’re always busy; we always play fast. It got started while I was in training on Transformers: Age of Extinction. I’d hit the ball and just sprint to it.”

Now, with the upcoming Transformers: The Last Knight set to roar into theaters on Wednesday, he's still sprinting—and he's not ready to let up yet.

"I'm hungrier now than I've ever been," he says.

For more about Walhberg's experience shooting Transformers—and how he stays so motivated and in supreme shape at 46—pick up the July/August issue of Men's Fitness on newsstands starting Monday, June 26. Also in this issue: A 30th anniversary retrospective, five healthy grilling recipes to try this summer, and a firsthand account of what it's like to dive among some of the world's deadliest predators.