United Kingdom, April 26 -- Kelly Brook has "gone through pots of Vaseline" in preparation for running the London Marathon.

The 45-year-old beauty is running the marathon this weekend with her husband Jeremy Parisi, and Kelly has revealed that she's been pushing herself to her physical limits in training.

She told The Sun newspaper: "We have been training since October so we have to trust the process and know that we have put the work in to give us the best possible chance to finish.

"Before Christmas I was only running 2-3k before getting tired.

"7k now is a warm-up so whatever happens on the day, I have made such progress in terms of my running capabilities."

Kelly has been battling chaffing and bleeding during her training runs - ...