Off Road is the Only Road #TreXTri #GetDirtyDownUnder

Australia's National X-Tri Series



Upcoming Events

About us

Trex Triathlon is operated by In2Adventure:
The adventure event specialists!

At In2Adventure we embrace all things ‘Off Road’ and ‘Off the Beaten Track’. If you’re In 2 anything that involves dirt, mud and action then In2Adventure is your ‘one stop shop’ for events with a difference.

In2Adventure was founded, and is driven by our desire to… Read more

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Port Stephens set to host World Championships Qualifier and the launch of Trail Run Australia

Port Stephens set to host World Championships Qualifier and the launch of Trail Run Australia.

TreX Springs into 2018/19 with the series launch on 1 Sep in Queensland’s Spectacular Moreton Bay Region

Australia’s National Cross Triathlon Series 2018/19 season is set to launch in just two weeks on the first day of Spring. Hosted at Murrenbong Scout Camp, Kurwongbah in Queensland’s spectacular Moreton Bay Region, the 2018/19 series goes back to where it all began eleven years ago.

TreX 2018-19 Entry Specials

SAVE 50% IN A WEEK LONG TREX FRENZY! Starts 9am AEST Wed 4 July. To celebrate the launch of TreX 2018/19, In2Adventure are delighted to announce that athletes will have the opportunity to enter the entire series OR one of the seven series events and save  50% off the standard entry price.

TreX is back with an ALL NEW 2018/19 Season

TreX is back with an ALL NEW 2018/19 Season. After a huge year in 2017/18 Australia’s National Cross Triathlon Series, TreX is back and ready to burst into a new triathlon season with an even bigger action packed series.

Qld's Sunshine Coast Comes Alive with Off Road Racing at it's Hardcore Best and a Sell Out Event

The newly branded Sunshine Coast MultiSport Festival has combined some of the very best off road events in Australia into one action packed weekend which this year included TreX, Australia's home grown national cross triathlon series which offered a standard distance, sprint, junior, teaser and dirt kids events; the newly launched Sunshine Coast Trail Run Festival which in 2018 included an all new Half Marathon, 11k and 5k events; and the re-invigoration of the  Sunshine Coast XC MTB Festival offering 50k, 25k and 8k courses.