Inspiring burns survivor Turia Pitt has finished her debut Hawaiian Ironman triathlon.

The 29-year-old Australian completed the 3.8km swim, 180km cycle and 42.2km marathon run event in 14 hours 37 minutes 30 seconds, finishing after dark on Sunday (AEDT) at the town of Kailua-Kona, east of Honolulu.

It is five years and 200 operations since Pitt suffered burns to 65 per cent of her body in a WA bushfire.

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Burns survivor Turia Pitt completed her first Hawaiian Ironman Triathlon on Sunday

The inspirational 29-year-old was one of 2,300 people to race in the Hawaiian Ironman triathlon

Ms Pitt swan 3.8km, cycled 180km and and ran 42.2km in 14 hours 37 minutes 30 seconds. Her supportive partner Michael Hoskins met her at the end of the grueling race (pictured)

Ms Pitt was competing in an ultramarathon when the fire nearly killed her.

Severe injuries to her hands mean Pitt has custom-made gear and brake levers on her bike.

The burns have left Ms Pitt unable to regulate her body temperature.

So she wore special race clothing to cope with the severe heat and humidity that are features of the Hawaiian Ironman.

This is Pitt's second Ironman-distance triathlon finish, following the Ironman Australia race in May at Port Macquarie.

She wore special race gear to control help her cope with the humidity and heat of the triathlon (pictured during training)

In her blog she wrote that even though she was nervous about competing in the triathlon she wanted to have a go and try it (pictured during training)

Ms Pitt: 'I've shown up for every training session. I've stuck it out in the rain and the dark and the cold

Ms Pitt was supported by her parent Michael Hoskin at the Hawaiian Ironman triathlon

Hawaii featured a record 2,300 starters this year.

On her blog she wrote that although she had pre-race jitters, she still wanted to have a go at the race rather than not try at all.

'I've shown up for every training session. I've stuck it out in the rain and the dark and the cold. The worst thing that can happen here is that I don't finish the race,' she said.