Izobelle competes in athletics and currently represents St George Athletics Club, having started when she was 5 years old. Her most recent achievements include winning 3 gold and 1 silver at the Australian Juniors Championships, and prior to that, claiming a PB in High Jump at the Sydney Track Classic. Competing at the Trinbago 2023 Commonwealth Youth Games in high jump, Izobelle nailed her first two jumps on the way to a third-placed finish. Her aspirations include competing for Australia in both Triple Jump and High Jump at the World Junior Championships and competing for Australia at the Olympic Games.