You must be at least 18 years old on race day to participate in the Grand Slam or any of the marathons. You must be at least 16 years old to participate in the Kauri Half Marathon or the 16km Lake Morris Race.
You also need to be an experienced trail runner and you must be sufficiently skilled and have trained to undertake the event. The course is demanding with steep ascents and descents and remote sections that can result in slower first aid / rescue response times. You must be in good health to compete in this event.
To register for the Grand Slam event you must be a returning competitor or be able to run a sub-5 hour road marathon. You can also use trail races as qualifiers, please record the details on the entry form. Your performance in Marathons 1 and 2 will be used to allocate your bib number and start time on Sunday.