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Irrational SOUTH 100 & 200 Miler 2023

April 12, 2023 - April 16, 2023

We’d suggest that on the top of the list of must see places in South Australia (that doesn’t involve wine!), the Flinders Ranges would be it.

A location shaped over millions of years, inhabited for tens of thousands of years and mountains and scenery that one can never tire from. It’s no coincidence the Heysen Trail starts in the Flinders before weaving its way down through the Adelaide Hills to Cape Jervis.

A region full of riches and heartache, droughts and loss, homesteads and ruins, booms and bust. So many stories can be told and the locals always have a tale to tell.

And now we get to show off this magnificent destination to you with the Irrational South 100 & 200 Miler. A wonderful trail network to take you through mining towns, stations, through Wilpena Pound, along creeks, stopping at shearing sheds, homesteads, mountain tops, ruins and finishing in the historic town and once booming railway capital of Australia, Quorn.

The Irrational South is another life changing adventure that awaits and one of the trilogy of 200 milers that make up the TripleCrownunder. Let’s make adventure happen.


April 12, 2023
April 16, 2023


Ultra Series WA (Shaun Kaesler)
0412 054 427
View Organiser Website


Heysen Trail
Rocky Creek to Victor Harbour, SA 5211 Australia + Google Map