Mary Catherine has had a successful career in paratriathlon, most recently, securing a gold medal at the Sarasota CAMTRI Paratriathlon American Championships and the previous year she took home the gold at the 2016 USA Paratriathlon National Championships.

Recent Highlights

- 6th place at the 2017 ITU World Triathlon Grand Final Rotterdam;
- Winner of the 2017 Sarasota CAMTRI Paratriathlon American Championships;
- 2nd place at the 2017 Gold Coast ITU World Paratriathlon Series;
- 3rd place at the 2017 USA Paratriathlon National Championships;
- Winner of the 2016 USA Paratriathlon National Championships; and
- 4th place at the 2016 Rotterdam ITU Paratriathlon World Championships.