The most recent edition of this event was on 29 October 2017.
Trailblazer By the Sea on Sunday, 3 May 2015 is an annual event linking surf life saving clubs along Adelaide's metropolitan coastline and managed by the Rotary Club of Adelaide.
Catering for family groups to ultra marathon runners the course covers coastal footpaths and tracks, beaches and stepped gully crossings with outstanding scenery. The event course links the eight metropolitan surf lifesaving clubs of; Semaphore, Grange, Henley, West Beach, Glenelg, Somerton, Brighton, and Seacliff. While individual entrants are welcome, the formation of teams is encouraged to provide mutual support and encouragement in both the event and fund raising.