A field of 531 athletes competed in this year’s weekend of triathlon at Trial Bay, South West Rocks comprising two days of racing with the 27 th annual Nestle Mini Triathlon, a 5 race series for 5 to 15 year olds with 263 competitors and the 29th annual Coastline Credit Union Trial Bay with 268 competitors The weekend is a community run event of volunteers with proceeds going back to those who help run the event.