Miranda has been competing in triathlon since 2004. She has competed as an age group triathlete in four world championships (Olympic Distance and Half Ironman) and has won a number of local triathlon races. Her success in other sports include top female finishes in the half-marathon and marathon, winning multiple gold medals at Masters Swimming Nationals and being named a C.I.S. Academic-All Canadian while she swam for McGill University.

Miranda currently holds her MSc in Medical Biophysics from the University of Toronto, where she is continuing her studies in the Faculty of Physical Education and Health. In addition, she is an N.C.C.P. certified swim coach and triathlon coach. Miranda also coaches competitive swimming for the Granite Club Gators and Granite Club Masters team, is a run ambassador for Lululemon, volunteers at the Toronto Rehabilitation Center and has served as a mentor to several beginner triathletes. Miranda is very excited to share her knowledge of triathlon/cycling with the athletes at WattsUp through performance testing and as a class instructor.