Australia’s Biggest Outdoor Music Festival Returns This October Long Weekend.
HSU have announced the highly anticipated return of Knockout Outdoor, returning Saturday, October 4th, 2025, for an unforgettable edition titled Return of the Circuz. Taking place at the newly named ENGIE Stadium (formerly GIANTS Stadium) and the surrounding grounds of Sydney Showground, this year’s festival promises to deliver the most ambitious production Australia has ever seen.
Knockout Outdoor is officially the largest Harder Styles music festival in the Southern Hemisphere, and 2025 will raise the bar once again. With over 40 artists across three massive stages, attendees will witness a next-level audiovisual experience built around an immersive festival concept that expands the Harder Styles Universe in spectacular fashion.
Headlining this epic return are global icons such as Angerfist, Brennan Heart, Code Black, Gammer, DJ Isaac, Adrenalize, and many more. Fans can expect an explosive combination of euphoric melodies, pounding basslines, and raw energy like never before.
At the heart of the festival lies The Stadium — an all-new main stage constructed inside ENGIE Stadium, showcasing the biggest festival stage ever built in Australia. Featuring upgraded visual technology, a record-breaking laser display, and awe-inspiring stage production, The Stadium will host the signature HSU Laser Ceremony in its most powerful form yet.
For lovers of raw and underground sounds, The MEGA PIT is reborn. This year’s PIT expands into massive enclosed halls with an upgraded layout, including a lowered tent ceiling, 72 lasers, earth-shaking sub bass, flamethrowers, pyro, and a newly enhanced lighting experience. It’s the ultimate destination for RAW & CORE fans, deep within the dark energy of the Circuz.
Meanwhile, The Oasis has been reimagined as a more intimate and nostalgic space. Transforming into a Classics Journey Stage by day, it will end the night with an explosive BKJN Uptempo takeover. Designed in a Boiler Room-style setup with full LED walls and immersive lighting, The Oasis offers a euphoric escape into the deeper side of the Harder Styles universe.
This October long weekend, thousands will step through the colossal Circuz portal for a music festival experience unlike anything seen before on Australian soil. With a focus on innovation, scale, and community, Knockout Outdoor 2025 will redefine what’s possible in live music production.
Knockout Outdoor 2025 Details
Event: Knockout Outdoor 2025 – Return of the Circuz
Date: Saturday, October 4th, 2025 (Long Weekend)
Time: 2:00 PM – 11:00 PM
Location: ENGIE Stadium & Surrounding Grounds, Sydney Showground
Ticket Information:
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HSU Presale: $215.00 + booking fee
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Second Release: $225.00 + booking fee
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Final Release: $245.00 + booking fee
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Hardcopy First Release: $230.00
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Hardcopy Second Release: $250.00
Presale Access Opens: Thursday, May 8th at 12:00 PM
General Public On Sale: Friday, May 9th at 12:00 PM
Hardcopy tickets available only through official HSU promoters. View list at:
www.hsuevents.com/official-promoter
For more information, visit www.hsuevents.com.