OK! Exclusive: Katie Holmes NOT Running Boston Marathon

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Last fall, OK! was the first to report that Katie Holmes was going to run the New York City Marathon, so it came as no surprise to our readers when she crossed the line after 5 hours and 30 minutes on Nov. 4. And now come rumors that Mrs. Tom Cruise is prepping for yet another grueling run — the famed Boston Marathon.

However, it now appears that those stories are nothing but wishful dreaming on the part of the editors of faltering tabloid Us Weekly.

"Katie Holmes is not running in the Boston Marathon," her spokeswoman Ina Treciokas tells OK! exclusively, breaking the heart of long-distance-running Dawson's Creek fans everywhere.

However, we're sure this is good news to the paparazzi, who were probably not looking forward to another 26 mile jog with all their camera equipment!