Raised in Hamilton Hill, Western Australia McIntyre took up rowing in 2013 at the Fremantle Rowing Club. Her state representative debut for Western Australia came in the 2014 youth eight who contested the Bicentennial Cup at the Interstate Regatta within the Australian Rowing Championships. She made West Australia's senior women's eight in 2015 and contested the Queen's Cup at the Interstate Regatta for WA in 2015, 2017 and 2018. In 2018 she was also Western Australia's single sculls entrant to race for the Nell Slatter Trophy at the Interstate Regatta. She placed third in the single scull. In 2019 she was seated in the West Australian women's eight who placed third in the Queen's Cup. In 2018 she crewed a composite Australian selection eight who won the open women's coxed eight title at the Australian Rowing Championships and in a composite Australian selection four she won the 2018 open women's coxless four national title. At the New South Wales State Championships in February 2020 she rowed in crews which won the women's elite pair and the women's elite coxless four.
International representative rowing
McIntyre made her Australian representative debut in a coxless pair at the 2017 U23 World Rowing Championships. Rowing with Bronwyn Cox she won a silver medal. In 2018 McIntyre was elevated to the senior Australian squad. She didn't race in any Australian boat in their early international campaign of 2018 – at neither World Rowing Cup nor at Henley. But at the 2018 World Rowing Championships in Plovdiv, McIntyre moved into the five seat of the Australian women's eight. They won their heat and placed third in the final winning McIntyre a bronze medalworld championship medal. McIntyre was picked in the Australian women's sweep squad for the 2019 international season. With Jessica Morrison she was selected to race the coxless pair and they took a silver medal at Rowing World Cup II in Poznan and won the gold in that event at WRC III in Rotterdam. McIntyre and Morrison also secured seats at the pace-setting end of the Australian women's eight and rowing in the six seat, McIntyre won gold in the eight in Poznan and silver in Rotterdam. McIntyre was selected in the Australian women's eight and with Morrison to race Australia's coxless pair at the 2019 World Rowing Championships in Linz, Austria. The pair were looking for a top eleven finish to qualify for the Tokyo Olympics and the eight was seeking a top five finish. In the pair they won their heat, quarter-final and semi-final, thereby qualifying that boat for Tokyo 2020. In the A-final they led the race through the 3 x 500m marks but were pipped by New Zealand in a close finish and took the silver medal. In the Australian women's eight they placed second in their heat, came through the repechage and led in the final from the start and at all three 500m marks till they were overrun by New Zealand by 2.7secs. The Australian eight took the silver medal and qualified for Tokyo 2020.