In 2012, she won the national 200 m title, but was not selected for the 2012 Olympics because her time was below the qualifying standard.

[1] Viewing setbacks as opportunities to identify and work on areas needing improvement, Molly Renshaw overcame the disappointment of not making the 2012 Olympic team.

Recognizing areas where she needed support to reach the next level, Molly surrounded herself with a good team and coaches who pushed her, through the highs and lows of training and competition, to achieve her goals.

She competed at the 2016 Summer Olympics,[2] setting a new British record of 2:22:33 while qualifying for the 200m breaststroke final.

Renshaw was selected to compete for the New York Breakers again for the 2021 International Swimming League.