OK! Exclusive: Katie Training For NYC Marathon

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While her hubby Tom Cruise has been keeping himself busy shooting his new film Rubicon in and around Berlin, Germany, actress Katie Holmes has often been spotted enjoying an early morning jog around the European metropolis. And OK! has learned exclusively that she's not just doing it to keep her figure fit for Tom — She's fulfilling her dream to run in the New York City Marathon.

"She's been training for months, in both L.A. and Berlin," a friend of the Thank You For Smoking star reveals to OK!. "Katie is determined to complete the race; she's as fit and toned as ever."

And though a rep for Katie could neither confirm nor deny if the 28-year-old beauty would be lining up with the thousands of other marathoners on the starting line at the foot of the Verrazano-Narrows Bridge in Staten Island on Nov. 4, OK! has confirmed that the couple's security experts have been investigating what would be required if Katie did choose to run this year.

For more inside info on TomKat, check out the new issue of OK! — on newsstands everywhere now.