The actress captioned the pictures with an array of hashtags, all of which showed how proud she is over her former husband's accomplishment. #showingthegirls #tofinsihistowin #proud #proudofdad and #congratulations are just a few of the sweet sentiments she shared.
Drew Barrymore and ex-husband Will Kopeman are amicable exes!
The actress and the couple's two daughters, Olive, 4, and Frankie, 2, cheered on her ex husband and their father in the New York City Marathon on November 6.
Barrymore, 41, took to Instagram to share a few snaps from the special day.