ZACH MACH is Mackay's best multisport adventure challenge. Held once a year, ZACH MACH celebrates the life of Zach Roberts, an outstanding young man who embraced adventure and challenge. This event is for the weekend warrior to the elite, aged 7 to 107+. There are two parts to this adventure weekend: ZACH MACH - Saturday 11 May Go solo, partner up, create a relay team or register for a stage only. 37.5 kilometre MTB on the mountains | 10 kilometre Kayak with Barra on Teemburra Dam | 10 kilometre Run with butterflies in the Rainforest at Cattle Creek | 20 kilometre cycle past historic cane farms. MINI MACH - Sunday 12 May Sign up your entire family for this fun introductory short-distance adventure challenge event. Prepare to ride, run and get wet: dirt, water, stones, grass and... possibly mud! Embrace this great outdoors challenge and register now.