Isobel Borlase, a prominent figure in Australian basketball, plays professionally for the Adelaide Lightning in the Women’s National Basketball League (WNBL). Born on September 12, 2004, in Adelaide, South Australia, Borlase’s athletic career began at Loreto College and with the junior team, the Forestville Eagles. She demonstrated versatility early on by also engaging in netball and surf lifesaving.

Borlase’s basketball prominence rose rapidly. In 2021, she joined the Basketball Australia Centre of Excellence and participated in the Waratah League. By January 2022, she had made her debut with the Adelaide Lightning, marking the start of her professional career in the WNBL. Throughout the 2022–23 season, she impressed on the court, averaging 13.5 points per game and earning accolades as the WNBL Sixth Woman of the Year and WNBL Breakout Player of the Year.

Her achievements continued to accumulate in the 2023–24 season, where she took on a more significant role due to a teammate’s injury. Her performance peaked with a career-high 31 points in a game against the Perth Lynx, leading to her selection for the All-WNBL First Team. Internationally, Borlase has represented Australia with distinction, helping the national team secure silver at the 2021 FIBA Under-19 World Cup and gold at the 2022 FIBA Under-18 Asian Championship.