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Heysen 105

Event details
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An iconic South Australian trail running race, the Heysen 105 Ultra marathon is an endurance event like no other in Australia. Traversing a 105km section of the 1200km-long Heysen Trail, competitors experience the best trail running has to offer in the state, taking in rolling farmland, sandy forests, rocky hillsides and lots more. The views are spectacular through the magnificent conservation parks, with the backdrop of gum trees, abundant wildlife and both wide open spaces and closed in trails making this a truly Australian experience. Elevation gain is around 2400m, with the course record standing at 9h 51m 36s by Brendan Davies in 2014, and 11h 43m 20s by Joanna Kruk in the same year for the females.

How to enter the Heysen 105

  1. 35 km

    Run 35km
  2. 57 km

    Run 57km

Heysen 105 routes

Event Details


Volunteers and Support Crew

Our volunteers will contribute thousands of combined hours to assist, support and motivate you from the start to the finish of your run. Below is a list of volunteers for this year’s race. We encourage you to say “thank you” to the volunteers whenever possible – these races simply cannot occur without their support.


Below is a list of the things you can expect to find at the race aid stations

All Ultra Runners South Australia races are cup-free. Athletes are asked to bring their own refillable vessels such as flasks, bottles or collapsable cups.


  • Water
  • Ice will be available at all CPs and Water Drops
  • Powerade energy drink
  • Coke


  • Watermelon
  • Bananas
  • Chips
  • Lollies (Party Mix)
  • Trail Mix
  • Cucumber and Cheese sandwiches (CP2/CP3)
  • Potatoes at CP3/CP4/Finish
  • Extra savoury snacks at CP4/CP5/Finish
  • Hot meal (incl vegan) at CP4/CP5/Finish

Heysen 105 weather forecast

Windy in the afternoon.

Predicted highs
Predicted lows
IconModerate wind possible, up to 24mph

Meet the organiser

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Formally known as Yumigo!, Ultra Runners South Australia has been born to carry on the ideals and spirit from which Yumigo! was created and operated. Ultra Runners South Australia is intended to be even more inclusive and will create even more awareness so that the message of what we do and why we do it, can be spread even further.



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