The Amazing Race Australia 4

It featured eleven teams of two, each with a pre-existing relationship, in a race around the Eastern Hemisphere to win the grand prize of A$250,000 during twelve legs.

Starting in Seoul, racers travelled through South Korea, Vietnam, Mongolia, Zambia, Zimbabwe, Malawi and Thailand before returning to Australia and finishing in Nitmiluk National Park.

"[6] The next day, TV Blackbox reported that CBS Studios International had bought the rights to the Australian franchise of The Amazing Race with the series set to air in the final quarter of 2019.

[5] On 3 September, during an episode of Australian Survivor, it was first revealed that The Amazing Race Australia would begin airing in October.

[13] A month after filming concluded, Sidney "Sid" Pierucci was arrested and charged with assault and destroying/damaging property following an alleged domestic violence incident on 14 October in Bellevue Hill, with police issuing an apprehended domestic violence order on behalf of Ashley "Ash" Ruscoe.

Ratings data is from OzTAM and represents the viewership from the 5 largest Australian metropolitan centres (Sydney, Melbourne, Brisbane, Perth and Adelaide).

Teams gathered at Seoul Plaza near Seoul City Hall to start The Amazing Race Australia 4 .
Tyler Roos
The route of The Amazing Race Australia 4.
In the Han River off of Yeouido Hangang Park in Seoul , one team member had to ride a Flyboard for the first Roadblock.
In the second leg, teams travelled into the Korean Demilitarised Zone and hung a prayer ribbon for Korean reunification .
One Detour option in Ninh Bình required teams to row a boat using local methods: with the soles of their feet.
Teams were required to climb the bell tower at Bái Đính Temple in order to complete the leg's final task.
After the Detour in Mongolia , one team member had to ride a camel into the sand dunes of Mongol Els to find the Pit Stop.
One Detour option in Ulaanbaatar required teams to deliver various items to stalls in the Narantuul Market.
While in Zambia , teams travelled to Livingstone Island, where David Livingstone first viewed Victoria Falls .
For the Roadblock in Zimbabwe , one team member had to swing headfirst into the Batoka Gorge.
After arriving in Lilongwe , teams had to shell and winnow peanuts , one of the main agricultural products of Malawi .
Teams began the tenth leg by paddling dugout canoes through the waters of Lake Malawi .
After gold leafing a statue of Ganesh , teams could check in at the Pit Stop at Wat Suwannaram in Bangkok .
After racing over 45,000 kilometers, teams crossed the finish line at Nitmiluk Gorge in the Top End of the Northern Territory .