In 2009, Doyle began writing online with her blog Momastery as a way to share "a look at her life as a progressive Christian raising three children." This was the start of her writing career and led to her first book, a
memoir titled
Carry On, Warrior, in 2013. In 2016, a follow-up memoir titled
Love Warrior was released. In September 2016, it was selected to be a part of
Oprah's Book Club 2.0. A third memoir,
Untamed, was published in 2020 . In April 2020, the book was selected to be a part of
Reese Witherspoon's ''Reese's Book Club
(Hello Sunshine • Book Club). Untamed'' has sold millions of copies worldwide. with
Sarah Paulson expected to be the lead. Sarah Paulson was the only actress to audition for the role, and Doyle said Paulson is the perfect actress to play her because she is "somebody who is a transformational actor, who is in touch with the world and involved in everything we care about, and who is queer". In May 2021, Doyle launched a podcast titled
We Can Do Hard Things. This podcast stars Doyle's wife,
Abby Wambach, and sister, Amanda. It carries similar themes to
Untamed. Doyle has also made several appearances on the
Together Live Tour, created by
Jennifer Rudolph Walsh. The Together Live Tour is a storytelling event aimed at connecting communities and helping each other find purpose. Doyle has appeared on this tour alongside Latham Thomas,
Connie Britton, and
Sophia Bush. == Awards and recognition ==