McIntosh first competed for Australia in 1998.
At the 2000 Sydney Games, she won three gold medals in the women's 100 m – T38, women's 200 m – T38 and women's 400 m – T38 events, for which she received a Medal of the Order of Australia,.
She was named the 2000 Junior Female Paralympian of the Year.
At the 2004 Athens Games, she won a silver medal in the women's 200 m – T37 event and a bronze medal in the women's 100 m – T37 event, and finished fifth in the women's 400 m – T38 event.
despite recovering from a stress fracture in her left foot.
At the 2008 Beijing Paralympics, she won two gold medals in the women's 100 m – T37 and women's 200 m – T37 events.
She holds the world record for 100 m, 200 m and 400 m T37.
She was named the 2008 Female Paralympian of the Year.

At the IPC Athletics World Championships, she won gold medals in women's 100 m and 200 m T37 events at both the 2002 Lille  and 2006 Assen competitions.
At the 2006 Melbourne Commonwealth Games, she won a gold medal in the Women's 100 m – T37 event.
She was an Australian Institute of Sport athletics scholarship holder in 2003.
 
She is taking a break to consider her future in athletics.
McIntosh first competed for Australia in 1998. At the 2000 Sydney Games, she won three gold medals in the women's 100 m – T38, women's 200 m – T38 and women's 400 m – T38 events, for which she received a Medal of the Order of Australia,. She was named the 2000 Junior Female Paralympian of the Year. At the 2004 Athens Games, she won a silver medal in the women's 200 m – T37 event and a bronze medal in the women's 100 m – T37 event, and finished fifth in the women's 400 m – T38 event. despite recovering from a stress fracture in her left foot. At the 2008 Beijing Paralympics, she won two gold medals in the women's 100 m – T37 and women's 200 m – T37 events. She holds the world record for 100 m, 200 m and 400 m T37. She was named the 2008 Female Paralympian of the Year.
At the IPC Athletics World Championships, she won gold medals in women's 100 m and 200 m T37 events at both the 2002 Lille  and 2006 Assen competitions. At the 2006 Melbourne Commonwealth Games, she won a gold medal in the Women's 100 m – T37 event. She was an Australian Institute of Sport athletics scholarship holder in 2003.  
She is taking a break to consider her future in athletics.
Lisa McIntosh