Career
She also participated in the Australian National Team during the three consecutive Summer Olympics, starting in 1996 including as captain at the 2004 Athens Olympics. Trish started her career at sixteen. Fallon was selected by the Minnesota Lynx in the second round (19th pick overall) of the 1999 Women's National Basketball Association Draft.
After the 1999 season, she was traded to the Phoenix Mercury along with Adia Barnes and Tonya Edwards in exchange for Marlies Askamp, Angela Aycock, and Kristi Harrower on 27 October 1999.
Fallon was married to Stuart Dykstra on the 29 July 2007 in Portuguese Douglas, Queensland. She has a daughter Tashia Overby.
The assault with Overby was featured as a top story in the Daily Telegraph. After the assault she posted an AVO against him.
In 2008, Fallon (now Trish Dykstra) returned to Sydney Uni Flames, for whom she had played in two periods from 1993 to 2007, as Operations Coordinator.
Fallon now works for the Dandenong Rangers Basketball Association in Victoria.