Picnic Day is a public holiday in the Northern Territory of Australia which takes place every year on the first Monday of August.

[1] They were held in a variety of locations such as Adelaide River, Brunette Downs Station and Glencoe Paddock at differing times of year.

[7] On Monday 5 October 1936, a train transported people from Darwin to Adelaide River, leaving at 7 am returning at 11 pm.

[8] The Harts Range Races in Central Australia are held each Picnic Day long weekend.

The races began in 1946, when three brothers Bennett, Qinton and Kil Webb from Mount Riddock Station raced stockman Jack Schaber and the regional policeman Senior Constable Bob Darken over a distance of about a mile to the Ulgarna Yards to determine who had the fastest horse.