TEMECULA (CBSLA.com)  —   Stars from just about every reality show you can name — and some you can’t — will team up again this year for the 6th annual “Reality Rally” in Temecula.

The event starts Thursday and goes through Saturday.

READ MORE: One Crew Member Killed, Second Wounded After Alec Baldwin Discharges Prop Gun On Movie Set In New Mexico

As in past years, stars from shows like “Survivor,” “Big Brother,” “The Amazing Race,” “Naked and Afraid” and “The Biggest Loser” compete against each other in a series of fundraisers.

“Reality Rally” was started by Gillian Larson, a contestant on “Survivor: Gabon,” and a breast cancer survivor. Money raised benefits “Michelle’s Place,” a non-profit whose mission is to provide emotional and education support by people touched by breast cander.

READ MORE: A Timeline Of Accidental Deaths On Hollywood Sets In Wake Of Alec Baldwin Prop Gun Shooting

Larson says, “The Rally is most certainly an opportunity for fans of reality television shows to get up-close and personal with their favorite personalities, but it is also an opportunity to support those who are fighting for their lives against breast cancer by having ‘Fun for Funds.'”

To see highlights of “Reality Rally: 2015”

All events are open to the public.

MORE NEWS: Alec Baldwin On Fatal Movie Set Shooting Of Director Of Photography Halyna Hutchins: ‘There Are No Words’

For more about the event, mingling opportunities, stars scheduled to attend, fundraisers and the 2016 rally itself, click here.