The Saanich Physio+ Bazan Bay course is one of the fastest 5K routes in Canada and perhaps North America. The course is nearly flat with an almost imperceptible incline for the first 2.5K. There is one turn, the 180-degree turnaround, then there is the mildest of downhill returns.

More information at https://www.islandseries.org/product/saanich-physio-bazan-bay-5k/