Grima will ride Althoff for trainer Chris Waller in the Group 3 Alan Brown Stakes (1500m) this weekend, a race that carries the same prizemoney as the Epsom Handicap she won last Saturday at Randwick.
The 24-year-old jockey, who rides at 50 kilograms, scored a stunning upset on the $26 chance God's Window, coming from last on the turn to win by one and three-quarter lengths on a soft track. It was her first ride at Group 1 level and her first stakes victory.
Grima described the win as "extremely fitting" because of the horse's name, which resonated with her faith and that of her mentor, Darren Beadman. Beadman famously quit his career as a leading jockey in 1997 to become a Christian minister before returning in 2000 and winning five more Sydney premierships.
"I found it really fitting," Grima said of her Group 1 winner's name. "Obviously Darren's been open about his faith, and I'm really into my faith as well, so I thought it was extremely fitting that that horse brought us together and it won an Epsom."