The Glow Worm Tunnel Trail Running Weekend includes events for the whole family, all on some of the most pristine trails and in one of the most amazing National Parks in Australia. The event caters for runners and the entire family. Camping and catering is available on site. Some of the events held over the weekend include: Marathon: 42.2 kilometres of ultimate trail running. From the challenge of Pipeline Track to the glory of the Glow Worm Tunnel. A superb running experience. This is one of the toughest Trail Marathons in the country. Be sure to check out the course profile beforehand. Half Marathon: The most amazing Half Marathon experience in Australia - taking runners through the spectacular Glow Worm Tunnel. The terrain is challenging and exciting as you negotiate small trails that lead to the Glow Worm Tunnel. A quick 10 kilometres downhill on the way back!