[1] While attending Florida International University, she was named the 2015/16 Conference USA swimmer of the year after finishing in first place in the 50 metre freestyle 12 times.

In her 4 years competing for the University she qualified for the NCAA Division 1 Women's Swimming and Diving Championships consecutively.

[5] Ruele qualified for the 2016 Summer Olympics in Rio de Janeiro at the swimming meet at the Georgia Institute of Technology on 20 March 2016; she recorded a time of 26.07 seconds.

This performance placed her inside the "B" qualifying time of 26.17,[6] and she received a letter on 8 July stating that she had been chosen to represent Botswana.

[7] Around the same time as her selection, Ruele was named as the Junior Female Sportsperson of the Year by the Botswana National Sports Council.