Forbidden Kingdom, a two-time Grade 2 winner earlier this year who was sidelined in the spring with illness, worked three furlongs in 36.40 seconds at Del Mar on Friday for an autumn campaign.
“It was a nice work to get started,” trainer Richard Mandella said.
Mandella said he has tentatively scheduled a start for Forbidden Kingdom in the Grade 2 Santa Anita Sprint Championship at six furlongs on Oct. 1, which would be the colt’s first race in nearly six months.