4Two co-founders, Shannon Rowbury and Jessica Dorrington running in Portland 2024.

We are two mothers on a mission to guide and empower expecting and current mothers on their fitness journey.

About us

Five years ago, Shannon Rowbury was a newly pregnant professional runner. Even though she was a 3-time Olympian, she wanted to understand what exercises were safe to do during pregnancy, but she quickly discovered that there was not enough readily available information for her. 

Luckily for Shannon, she was introduced to Jessica Dorrington, a pelvic floor physical therapy specialist who helped hundreds of patients have healthy, active pregnancies followed by successful returns to fitness. Dorrington was also a runner and mother. 

Jessica helped Shannon throughout her pregnancy and postpartum journey. After giving birth to her daughter, Sienna, Shannon won a U.S. National Title (5K Roads) and set a Master's American Record (5K).

Inspired by their work together, both women felt that mothers deserved better resources for exercising during pregnancy and postpartum.

From that belief, 4Two was born because when it comes to motherhood, it isn't just a moment; it's a MOTHERHOOD MOVEMENT!

Meet the Team

Shannon Rowbury and daughter Sienna Solares running in park in Portland
Jessica Dorrington with son in Portland