Alps to Ocean Trail
This is a multi day event over 5 days. This rides starts at Tarnbrae lookout which is the highest point on this track, you ride down a bike trail to the Qualilburn Woolshed when you follow a gravel/sealed road to Omarama. From there you follow the cycle trail round Lake Benmore and finishing at the top of the Benmore Dam.
Also check out https://virtualbrevet.com/challenges/a2o/ where you can upload your rides, see your progress on a graph and gain a completion award.