The Athletics Wollongong sprinter entered the race as the favourite, having set a Paralympic record of 11.87 seconds in the heat.

China's Peicheng Deng flew out of the blocks and couldn't be caught to edge Turner's old mark and win in a time of 11.85 seconds.

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The Australian was second in 12.00, with Argentina's Alexis Chavez third in 12.02.

The silver medal came after Turner claimed gold in the 400m final on Tuesday. He now has three career medals at the Paralympic Games, also winning the 800m event in Rio.

That race was removed from the program for Tokyo.

Saturday's final marked the first time Turner has been defeated at a major international competition, the 25-year-old winning five gold medals at World Championships.

A sprinter with impeccably high standards, the Canberra-based athlete could not hide his disappointment at missing out on gold after the race.

"I'm pretty shattered to be honest," Turner told Channel 7. "The guy beside me moved before the gun, it threw me off, I shouldn't have let that happen.

"I feel like I've let you all down, I'm really sorry about that."

While Deng flew out of the blocks, Turner was slow to get moving and was playing catch up the entire way.

The Australian was fourth at the halfway point and looked a chance to miss the medals completely.

It was a situation Turner was determined not to allow and he surged home to climb into second place. Such was his closing speed, the athlete hit the deck soon after crossing the finish line.

"It wasn't a time I was looking for," Turner said. "I know I can run better than that. Next time I will run better than that.

The Australian camp considered a protest due to the movement on the blocks from other runners.

Ultimately, however, Turner said it was up to him to remain focused and he's determined to go one better in three years time.

"It's made me hungry. Come Paris, I want to be in a position where I don't make these mistakes and I can capitalise on every opportunity."

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