A rolling out-and-back ride along Bobbin Head Road in the Ku-ring-gai-Chase National Park, twice crossing Cowan Creek. There is a brief pause at the summit, time for a sip of water from your water bottle, before heading back downhill to the creek and then a final climb to the finish.
| Duration | 1:02:08 |
| Distance | 24.48kms |
| Elevation Gain | 443m |
| Toughness | 245 |