The world's oldest rodeo competitor is saddling up again for the MIM Mount Isa Rodeo on August 11-14 - more than 70 years after he first rode a bucking bronco.

Bob has ridden in every kind of rodeo event but nowadays his speciality is team roping, a highly skilled event where a two-person team competes to catch a steer in the fastest possible time.

Bob is the "header" who rides out to rope the steer around the horns or head, while the "heeler" ropes its hind legs. Both are awarded points for technique.

At Mount Isa, Australia's biggest and richest rodeo show, Bob and his running quarter horse Stormy will compete in the open and over-55s events.

But having been in the saddle so long, "there's a lot of daylight between me and even the older blokes", he told The Senior.

He has a keen eye but he says roping steers is a fine art.

"Oh my word, yes. They duck their head or duck away to the left or right. Or they go flat out or sometimes slow down.

"I think they enjoy it. They love to run out in front of you. You've got have a fast horse to catch them. It's all a matter of timing. You only have a few seconds and it's easy to miss them."

The son of a drover, Bob, from Cootamundra, in NSW's South West Slopes, has been riding since he was five, winning his first saddle bronc ride at 14, at Tumut, in the state's Riverina.

"I've done them all: bronc riding, bareback riding, wild horse racing, wild cow milking, bulldogging. But saddle bronc riding - bucking horses - was always my favourite."

For such a long career, Bob has remained remarkably intact - a credit to his talent. "I haven't had any bad injuries, just a few broken bones, but they heal up."

Recently Bob competed at the Longreach rodeo in Queensland, where the line-up included junior poddy calf champion Byron Kirk - 82 years his younger.

Mount Isa will be the fifth stop on the northern circuit for Bob. Before that he will compete at Taroom, Charters Towers, Richmond and Cloncurry. Later he will be off to Darwin and Katherine.

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Rodeo has taken Bob to the land where rodeo began, the US, where had a successful spell in 1959. "I was the first Australian ever to win money in professional rodeo over there," he said.

In 2018, he was inducted into the Australian Professional Rodeo Association Hall of Fame in Warwick.

Away from the rodeo circuit, he was also a top real estate agent for many years. He said that working for Elder's, he sold millions of dollars worth of rural property.

One person Bob knew well was the late Smoky Dawson.

"He used to run a rodeo every 12 months or so at his ranch in Terrey Hills. He'd always invite a few of us down there."

Rodeos run in the Holder family. Accompanying Bob on the circuit will be his daughter Kerrie, the current Mount Isa women's open barrel champion, who will be bringing her two horses looking to bring home the bacon.

For upcoming rodeos around Australia, click HERE