The former Baywatch star ran alongside her brother Gerry, and thanked him in a tweet after the marathon.
So proud of my brother Gerry. Thank G. For running next to me today- love you lots pic.twitter.com/RtwNZfCMli— Pamela Anderson (@PamelaDAnderson) November 3, 2013
She also thanked New York City, and showed off her medal of completion.
Anderson, 46, ran the marathon to raise money for the charity J/P Haitian Relief Organization, which helps the impoverished island devastated by the 2010 earthquake. Anderson raised nearly $76,000 according to her fundraising page.