Half Marathon Events in Castlereagh NSW

Search our calendar for Half Marathon events near Castlereagh NSW.

20 events found

Run21 Sydney - Race 1

Run21 Sydney - Race 1

Sydney Olympic Park, New South Wales, Australia 37.5km from Castlereagh NSW

Run21 Sydney – Race 1 is a boutique running event at Newington Armory in Sydney Olympic Park, held beside the Parramatta River on Sunday, 15 November 2026. The event offers half marathon, 10km and 5km distances, making it suitable for...

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