'I lost the Olympics, babies and marriages': Retired athlete Jana Pittman wants to make her 'children proud' in dramatic SAS Australia trailer - that ends with her COLLAPSING

Jana Pittman is one of the 18 celebrities who will be subjected to extreme physical and psychological testing on Seven's upcoming military-style show SAS Australia.

And in a dramatic new trailer aired on Sunday, the retired Olympic hurdler-turned-doctor said she hopes to make her 'beautiful children proud' in a course that will test her 'beyond anything' she's ever done.

The 38-year-old, who welcomed her fourth child in December, collapses at the end of the sneak peek, with SAS Chief Instructor Ant Middleton rushing to her rescue.

'I lost the Olympics, babies and marriages': Retired athlete Jana Pittman (pictured) said she wants to make her 'children proud' in a dramatic SAS Australia trailer aired on Sunday night

'I lost the Olympics, babies and marriages': Retired athlete Jana Pittman (pictured) said she wants to make her 'children proud' in a dramatic SAS Australia trailer aired on Sunday night

'I'm a dual Olympian in the summer and winter games. I'm a mum of four. I'm now a doctor,' Jana says at the beginning of the trailer, reflecting on her achievements. 

'I think I'm tough, but I had a baby six months ago. This course is going to test me beyond anything I've ever done,' she goes on to admit.

'I lost the Olympics, I lost babies, I lost marriages. I want to make my beautiful children proud,' Jana says in heartfelt scenes.

Testing her limits: 'I'm a mum of four. I'm now a doctor,' Jana says at the beginning of the trailer, reflecting on her achievements. 'I think I'm tough, but I had a baby six months ago. This course is going to test me beyond anything I've ever done,' she goes on to admit

Testing her limits: 'I'm a mum of four. I'm now a doctor,' Jana says at the beginning of the trailer, reflecting on her achievements. 'I think I'm tough, but I had a baby six months ago. This course is going to test me beyond anything I've ever done,' she goes on to admit 

Family: Jana welcomed her fourth child Charles in December with second husband, Sydney businessman Paul Gatward. She is also mother to son Cornelis, shared with first husband Chris Rawlinson, and welcomed daughters Emily and Jemima through IVF and a sperm donor

Family: Jana welcomed her fourth child Charles in December with second husband, Sydney businessman Paul Gatward. She is also mother to son Cornelis, shared with first husband Chris Rawlinson, and welcomed daughters Emily and Jemima through IVF and a sperm donor

Emotional: 'I lost the Olympics, I lost babies, I lost marriages. I want to make my beautiful children proud,' the retired hurdler-turned-doctor says in heartfelt scenes

Emotional: 'I lost the Olympics, I lost babies, I lost marriages. I want to make my beautiful children proud,' the retired hurdler-turned-doctor says in heartfelt scenes 

Jana welcomed her fourth child Charles in December with second husband, Sydney businessman Paul Gatward.   

She is also mother to son Cornelis, shared with first husband Chris Rawlinson, and welcomed daughters Emily and Jemima through IVF and a sperm donor.

In the trailer, SAS Chief Instructor Ant Middleton describes Jana as a 'lioness'.

'Whatever fire you've ignited within you, if you keep that, you will be here at the end of the course,' he tells her matter-of-factly.   

Honest: Jana confesses her fears, admitting she doesn't like to fail and hopes she's got 'what it takes'

Honest: Jana confesses her fears, admitting she doesn't like to fail and hopes she's got 'what it takes'

Jana confesses her fears, admitting she doesn't like to fail and hopes she's got 'what it takes'. 

Footage captured in the trailer sees Jana free-falling from a cliff, carrying heavy logs, submerged in a car full of water, enduring a tough boxing match and collapsing.

The show, which is returning for a second season in Australia, will see stars attempt to pass the selection process to join the Australian Army's elite Special Air Service.

The challenge of her life: Footage captured in the trailer sees Jana free-falling from a cliff, carrying heavy logs, and submerged in a car full of water

The challenge of her life: Footage captured in the trailer sees Jana free-falling from a cliff, carrying heavy logs, and submerged in a car full of water 

Sheer exhaustion: The sports star also endures a tough boxing match and collapses from exhaustion, with SAS Chief Instructor Ant Middleton (left) rushing to her rescue

Sheer exhaustion: The sports star also endures a tough boxing match and collapses from exhaustion, with SAS Chief Instructor Ant Middleton (left) rushing to her rescue 

Jana joins 17 other Aussie celebrities who will face a series of physical and psychological tests, including NRL star Sam Burgess and beauty queen Erin Holland.

In punishing conditions, the star recruits will be pushed to their physical and mental limits, with no allowances made for their celebrity status. 

SAS Australia is coming soon to Channel 7 and 7plus.   

Coming soon: Jana joins 17 other celebrities who will face a series of physical and psychological tests, including NRL star Sam Burgess and beauty queen Erin Holland. The star recruits will be pushed to their physical and mental limits with no allowances made

Coming soon: Jana joins 17 other celebrities who will face a series of physical and psychological tests, including NRL star Sam Burgess and beauty queen Erin Holland. The star recruits will be pushed to their physical and mental limits with no allowances made

Jana Pittman COLLAPSES in dramatic SAS Australia trailer

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