Borgh represented the United States at the age of 15 at the 1976 Summer Olympics in Montreal, Quebec, and made the finals but did not medal.
[8] Borgh competed in the finals of the women's 400-meter freestyle in the 1976 Montreal Olympics, and finished sixth.
[11] A slightly sub-par performance, as her finals time was not significantly faster than her qualifying time, some mention of a pulled muscle, and the later admission by gold medalist East German Petra Thurmer and her coach that the women's team had been given performance-enhancing drugs may have led to a finish closer to medal contention for Borgh if these events had not occurred.
[7] Pursuing studies at the University of Delaware, Brenda earned a master's degree in therapy and took a position in cardiac rehabilitation in Berwyn, Pennsylvania.
[6] At 23 on September 2, 1984, she was the first person out of the 1.5 km open water swim in the Wyoming Valley Back Triathlon, covering .8 mile in 17:06, and placing 11th among women finishers.