Hawwaam did not appear to be injured after his escapade at Turffontein on Saturday.
Assistant trainer Mathew de Kock said the superstar was “OK”, but added that the right decision had been taken to withdraw him from the SA Derby.
Hot-pot favourite Hawwaam was scratched from the Grade 1 race after bolting from the parade ring and running loose to the starting stalls.
Trained by Mike de Kock and officially rated the 10th best racehorse in the world, the colt was at odds of 1-6 to win the 2450m contest, the third leg of the Triple Crown series.
After playing up in the parade ring and getting away from his handlers, the horse breezed the short distance down the racecourse to the starting stalls, where he was quickly caught. After a vet check he was scratched.
Mathew de Kock said Hawwaam had “no marks on him” after the incident.
“He got a fright when Marco van Rensburg was dislodged from his mount in the canter past, reared up and then crashed through the rails. We are thankful he wasn’t hurt, this could’ve been worse, but we had no option but to take him out after what had happened.”
The De Kock yard suffered another blow when Noble Secret, short-priced favourite for the Caradoc Gold Cup, was withdrawn on veterinary advice a minute before the start of the Grade 3 race.
This meant punters were left with tote favourites in their exotic bets in Races 8 and 9. Eventual Derby favourite Zillzaal, who finished second to Samurai Warrior, kept them in the BiPot and PA, but plenty of tickets hit the bin after Race 9 when new favourite Wonderous Climber ran unplaced.
The De Kock team had considerable consolation on the day, with Soqrat winning the Grade 1 HF Oppenheimer Horse Chestnut Stakes and Pietro Mascagni winning Race 11. Both won in the colours of Hawwaam’s owner Sheikh Hamdan.