07/08/2014 02:44 EDT | Updated 09/07/2014 05:59 EDT

Stampede chuckwagon incidents result in hurt man, dead horse

A chuckwagon driver is hurt and a horse is dead following two unrelated incidents during training exercises at the Calgary Stampede.

A chuckwagon rolled on Tuesday morning while coming around a barrel. Tim Haroldson, who was riding as a passenger, was thrown from the wagon and taken to hospital by ambulance. He is a chuckwagon driver, but the wagon was driven by Jerry Bremner, who was not hurt.

"We are hoping for the best for Tim," said Paul Rosenberg, a Calgary Stampede spokesman in a statement.

Stampede officials are reviewing the incident, but say there appears to be nothing out of the ordinary related to the wagon, horse or tracks.

Also during morning training, a wagon horse belonging to Reg Johnstone collapsed and died after completing the team's training run.

"The horse was a 12-year-old thoroughbred named Denny, which had been owned by Johnstone for approximately five years. It was acquired from another chuckwagon driver after its initial career as a racehorse in the Vancouver area. The horse had last raced about a week ago at the Ponoka Stampede," officials said.

A post-mortem will be performed on the horse to determine the cause of death.