After nearly four decades of being involved with chuckwagon racing, Mark Sutherland is hanging up the reins for good.

Veteran Chuckwagon driver Mark Sutherland is involved in a study involving the use of a device to test the strength of horses.

Thursday's chuckwagon canvas auction auction for the Calgary Stampede raised just under $2.3 million, the worst showing since the last oil and gas downturn in 2010 when it brought in only $1,966,000.