The Half Marathon and 12km courses start on the Woy Woy waterfront and finish at the Polytec Stadium in Gosford.

The Marathon course starts next to Polytec Stadium. After a short lap inside the stadium the course heads on an out and back along the waterfront to the Sailing Club. The course then heads south on the cycle path through Adcock Park to Woy Woy. There is then an out and back section to Blackwall Point – this is done twice! The course then follows the Half Marathon course back to Gosford on the cycle path via Adcock Park and the Sailing Club.

The 5km course starts from Adcock Park and follows the final stretch of the longer courses through to the finish line in Gosford. There is also a 2km kids fun run for children aged 7 to 12 years, The course starts and finishes inside the stadium and includes a loop around the local streets on footpaths.

The Bay to Bay is an annual charity fundraising event and is organized by the Terrigal Trotters.