In 2011, the first edition of what was going to go on to become one of the world’s most important gatherings and hardcore hubs in Outbreak Festival was held at a small community centre in Sheffield, UK, with a crowd of around 200 people.

Here in 2026, the festival celebrates its fifteenth anniversary event at the BEC Arena in Manchester with an attendance closer to 10,000.

The growth year to year in just the time since the COVID-19 pandemic temporarily shut it down but saw a new generation skyrocket the genre’s global profile has been staggering, many of the same bands who appeared on its earlier bills now playing to crowds here beyond what any of them would have deemed possible for hardcore music a decade or even half a decade ago.

As Outbreak has led the way into these unprecedented waters whilst still seeking to preserve the unique culture and environment of a hardcore show, where artists and audience are unseparated by barrier and become part of the same mass of bodies, the fifteenth anniversary year is an opportunity to celebrate many of these bands who have carved their names into that Outbreak history as well as the places it might be going.

Balance and Composure / Photo by @LiamMaxwellPhotos

Joyce Manor / Photo by Nat Wood

The opening Friday is very themed around one of hardcore’s cultural sibling subgenres in emo, with The Front Bottoms headlining airing their album “Talon of the Hawk” in full atop some of the most beloved bands in the genre’s modern history like Joyce Manor, Balance & Composure, and Tigers Jaw. The audio brutality meanwhile really begins at around 2am that night, as current hardcore superstars Knocked Loose take a day off from their current run opening for Metallica by playing an Outbreak-promoted night show in the city’s grandiose Albert Hall venue for those lively enough to survive till dawn.

The Front Bottoms / Photo by Nat Wood

Once Outbreak proper really opens its doors to the heavier bands come Saturday, it’s bands like the melodic hardcore of Brighton’s Turn of Phrase or the cybernetic crunch of Leeds’ Bodyweb whom it falls to to start people dancing, but there are still options for anyone feeling a little sensitive perhaps after that late night in the company of Knocked Loose.

Blanket are a very welcome way to get acclimated and let the mind slip into the festival environment, playing a sky-searching style of shoegaze that sits somewhere between the out and out indie rock of the style’s past and the woozier variants of what has spilled so much out of hardcore in recent years.

Blanket / Photo by Anna Swiechowska

On the outdoor main stage, Reclus.É are a brand new proposition having just released their debut single last month, but the band featuring UK scene veteran Daniel P. Carter alongside vocalist Soren Bryce of Tummyache clearly make a statement of being ones to watch out for here in the barbed screeching post-hardcore of their scuzzier moments melding with The Cure or Siouxsie and the Banshees-esque post-punk and goth rock textures for one of the fest’s more dynamic acts already.

Reclus.É / Photo by Nat Wood

There’s a big question mark in the running order for the time-honoured Outbreak tradition of the secret set, and although they pull off a huge troll of many in the audience with a logo fake-out and a few opening chords cruelly teasing a Title Fight reunion, it’s Static Dress who stroll out onto stage very pleased with their prank and proceed to make the case for why they’re more than just the consolation prize.

Static Dress / Photo by Nat Wood

They’ve long been favourites at Outbreak anyway so have got plenty up front more than happy to see them, but having just released sophomore full-length, Injury Episode, a month ago, it’s those choruses in the likes of “Pharmacy Film” and “Male-bomb” that most reach those in the back channelling the melodic boom years of 2000s post-hardcore but via a film of glitching and discordant tissue that make these songs distinctly relevant to 2026.

Static Dress / Photo by Nat Wood 

Touché Amoré / Photo by Nat Wood

While emotional hardcore standard-bearers Touché Amoré are outdoors honouring ten years of their landmark album, Stage Four, indoors something more offbeat is going down from Lip Critic. With a set-up consisting of two drummers, two samplers (one of them rapping), and not a guitar in sight, theirs is a frontal assault of digital distortion and electropunk smashing hip-hop, mechanical noise, and cyber-hardcore into a mixer that’s like being sucked into the internet then pounced on by tech sprites with hammers. The dual-percussive approach from each side of the stage creates a manic cacophony of industrialised hip-hop beats while a surrealistic barrage of abrasive electronics comes blaring out in lieu of traditional hardcore beatdowns, continuing Outbreak’s spirit as a place of musical and genre forward-thinkingness under the umbrella of punk culture. 

Few bands here are as set for the summer heat as High Vis. Across their three albums released since 2019 they’ve accumulated a setlist of some of the best British rock songs of any stripe of that last decade, and while they have been able to take their alternative rock-laced material to frontiers outside of the hardcore sphere, Outbreak and UKHC is their home turf. Spits of turbulent punk rage in “0151” and “Choose to Lose” sit alongside the material more in touch with the UK dance music tradition from last album “Guided Tour” bringing animated responses alike. When frontman Graham Sayle takes a pause though to speak about his history of suicide attempts and newfound sobriety, it’s demonstrative of the cathartic excising of communal pain that exists in the likes of “Out Cold” and “Trauma Bonds” that has led people to connecting with them this hard.

High Vis / Photo by Nat Wood

New wave post-hardcore revivalists I Promised The World are making their much-hyped UK debut, given the rush of excitement around their self-titled EP released at the start of this year. The stylistic touches are unashamedly those of another time in scene history, but beyond mere nostalgia there’s a very real grassroots enthusiasm from a fresh young audience here clambering to dive across the stage and for glass-shattering songs like “Bliss In 7 Languages” that promises to flower into one of this generation’s keystone post-hardcore acts.

Toronto punks PUP are way into being one of contemporary punk rock’s most revered live acts yet somehow have never graced an Outbreak stage before, so it’s a sensation of seeing a band so familiar to many here but on particular hallowed turf that lights up this set, frontman Stefan Babcock making the most of the no-barrier set-up that’s unique to UK festivals of this size by barrelling over incoming heads while he too is swamped during the raucous sparks of “Old Wounds”. With an emphasis on 2016’s “The Dream Is Over” acknowledging it too passing a ten year mark this year, a closing pair of “If This Tour Doesn’t Kill You, I Will” into “DVP” prompts one of the weekend’s most memorable stage invasions for one of the modern age’s most consistently brilliant punk bands.

Loathe / Photo by @LiamMaxwellPhotos

Loathe’s long wait for new material is nearly at an end with new album, A Stranger To You, arriving in a few weeks, so it’s a perfect time for one of the UK’s favourite festival bands to hit the Outbreak stage with a re-energised spring in their step. Granted, their momentum is knocked by a long pause to the middle of their set while an injury in the crowd is dealt with, but when Loathe are on, they’re exuding the kind of self-assuredness that made “I Let It In And It Took Everything” such a sensation in 2020, and that should power their steps forward too.

They bring a downtuned modern metalcore bounce in their riffing (whilst somehow still just using six-strings) that on the surface may seem at odds with the kind of more formative metalcore that Outbreak platforms, but the blissful shoegaze in their melodies as well as a knowing shout-out to Converge draws connection right to the heart of hardcore culture that has made them nonetheless one of the contemporary audience’s most beloved bands.

 Loathe / Photo by @LiamMaxwellPhotos

Speaking of Converge, there’s a taste of them even before their set officially starts as the chaos merchants in The Armed whip out a surprise cover of Jane Doe rager “Homewrecker” that Jake Bannon himself can’t help but speed out and grab the mic for. When the icons themselves take to the stage the room has descended into something like one of the circles of Hell, swinging limbs and oppressive lighting filling every field of view, perfectly fitting one of the most awe-inspiringly violent and ferocious bands there’s ever been.

More than thirty years into the game, Converge are arguably more productive right now than they’ve ever been with two albums in “Love Is Not Enough” and “Hum Of Hurt” added to their roster this year, and the material from both becomes the main drive of this Outbreak set. The room spills into a sea of spinkicks when 1998 oldie “Conduit” gets tossed in there like a hand grenade, but the musical athleticism on display on the new songs like “Distract and Divide” and a devastating final breakdown of “To Feel Something” evidence how much this legendary band are still leading the way.

Saturday’s main stage headline slot is occupied by one of the biggest bands Outbreak’s ever had, with Alexisonfire coming off of playing London’s Wembley Arena three days before only to roll right into this live-wire hardcore setting. It’s a pretty incredible and rarely seen combination of band and environment, and that’s before throwing in the detail that they’re playing their 2006 slam-dunk classic, Crisis,  in its entirety, brewing an unbelievable chemistry between an audience who clearly hold this record deep in their formative musical journeys and are willing to express that love through vibrant physical motion, and a band more than able to feed off that.

Alexisonfire / Photo by Nat Wood

Any set able to open with the kind of sustained song-power of “Drunks, Lovers, Sinners and Saints”, “This Could Be Anywhere In The World”, “Mailbox Arson”, and “Boiled Frogs” is off to an absolute winner, and the triple vocal threat of George Pettit, Dallas Green, and Wade MacNeil is among the most intricate and closely involved of any such dynamic in rock music. Unfortunately it’s brought to a very unceremonious and worrying close as right at the final notes of a closing “Young Cardinals” the show is again stopped and ended prematurely for a crowd injury (happily later updated as responsive and not serious), but right up until the eleventh hour this demonstration of one of post-hardcore’s highest-flying moments being brought back to its subcultural hardcore home is as good as dreamed. 

Alexisonfire / Photo by Nat Wood

On day three of the fest, much of the main stage can be enjoyed soaking up the sun and taking in the more downtempo shoegaze melodies of bands like Nothing, Glare, and one of 2026’s more wild card bookings in indie rock singer-songwriter Snail Mail, but indoors on the second stage it’s headcrushing violence all day long. The first act on at 12pm Crowquill summon a rabid frothing at the mouth reaction with the jagged and bloodletting metalcore of their two short-form releases already amongst the scene leaders of this kind of venomous chaos coming out of The Coming Strife records, this set cementing them as one of the most tantalising newer bands in the scene.

Glare / Photo by Nat Wood

Gridiron bring the most concentrated levels of pure swagger of anyone to this fest, marrying the bleeding knuckle smackdowns of East Coast hardcore with the hip-hop that emerged parallel to it. Nasty as hell Slayer-core metallic riffs are perfect foundation for rap hooks delivered with as much conviction as “Mascot” and “No Good At Goodbyes”, and the transition from “25/8” into “26/9” constantly demanding things go higher and harder is plain hilarious, bringing a knowing playfulness that’s in no way at odds with the toughness of their engine. 

To go even more disgusting than anyone else here, Idaho’s Ingrown bring the swampiest and most guttural tone somewhere between Obituary and Demolition Hammer pumping up their hardcore with putrid grind and death metal in a primal and savage three-piece set-up, as well as the bizarre and instantly memed mosh call "If you eat baked beans, you better fuck this shit up".

End It might have unsuspectingly found themselves the most spoken about band in the world at the centre of a global firestorm a few weeks ago, but aside from Akil Godsey cheekily acknowledging that status near the start of the set, their answer is to keep on playing grassroots hardcore the way they’ve been doing it. With emphasis on the music’s social significance taking anti-ICE, pro-Palestinian stances, there’s no doubt that what would already have been a booming set is even more jam packed to hear it, and their cover of Maximum Penalty’s “Could You Love Me?” brings a welcome injection of warmth through melody.

Fiddlehead / Photo by Nat Wood

Back outdoors, Boston’s Fiddlehead fronted by a previous Outbreak headliner in Have Heart’s Pat Flynn are greeted with real enthusiasm from a crowd that’s a home away from home for them, and their brew of post-hardcore and melodic hardcore delivering uplifting melodies but with voice-splitting aggression and grit lands in the English summer feet-first. They’re also reminders of the integrity and down to earth relationship between band and audience at its most ideal, Flynn at one point recalling a comment that he hits the stage like he’s dressed for work and answering “I’m a working man, a schoolteacher and proud of it” to massive applause.

The run happening inside on the second stage though is hitting maximum velocity. Haywire have absolutely burned a path around the globe in the time since their 2024 debut album, Conditioned For Demolition, and their arrival at Outbreak is the opportunity to do what everybody already knows they can do on one of hardcore’s biggest stages. “Summer Nights” and the eponymous “Haywire” get their biggest singalongs out there early bringing a refreshing taste of classic oi flavour onto the Outbreak bill, before a cover of Title Fight’s “Shed” seeks to mend all those hearts that Static Dress broke yesterday.

Massive stage invasions with stage-divers on top of the stage-divers is almost par for the course, but pausing to dedicate “Poser Disposer” to the Filton 25 and activists against the Israeli genocide in Gaza is testament that there is more to what this band stands for than just crazy shows and chest-puffing lyricism.

Hot on Haywire’s heels, Trash Talk return to the UK for the first time in a decade, and seem absolutely determined to reclaim their title as one of hardcore’s most chaotic and ferocious live bands in front of a crowd of fresh victims, sardonically noting that “no one under 27 has seen us before”. From the get-go, bodies of musicians and fans alike are soaring, and an unloading of ultraviolent, ultrafast hardcore songs a minute or so in length hitting one after the other dishes out shock after shock. At one point frontman Lee Spielman hops off-stage and hightails it towards the exit with the stated intent of getting on La Dispute’s stage outside and for the longest time you don’t believe that he’s joking, and with word of a new album finally on the horizon and returning shows like this, Trash Talk can consider their mythic name reasserted.Trash Talk / Photo by Anna Swiechowska

One of the most anticipated sights at this year’s fest is the legendary Hatebreed, one of the biggest hardcore bands of all time who took it out of the basements and tearing right onto mainstream metal stages and movie soundtracks, making their Outbreak debut bringing all of that back to where it came from and with a set comprised of their first two monumental albums, Satisfaction is the Death of Desire, and Perseverance.

They throw in a dash of Under the Knife too to really dial it back to primordial Hatebreed, but this early years material is hardcore fest gold dust. From the endlessly copied snare intro of “Empty Promises” these songs have not lost an ounce of their virulent potency. Jamey Jasta relishes the task grinning ear to ear as “Not One Truth” and “A Call for Blood” rip the place asunder, and as the all-time anthem “I Will Be Heard” closes things with seemingly half the crowd up on that stage, it’s obvious why for every band who come through fests like this they are still the benchmark.

Trapped Under Ice are one of the international bands most baked into Outbreak history, having first played in 2013, and so they are the sight up there in front of several thousand people on the main stage most emblematic of how far all this has come. Their setlist is full of the same 21^st century hardcore staples they will have played back then, from the Stay Cold EP to the monsters from 2011’s Big Kiss Goodnight like “Born to Die” and “Pleased to Meet You” that spur on massive bouncing chantalongs with singer Justice Tripp, but as time has moved on they only seem more and more immovable.

Indeed with Turnstile’s Brendan Yates still holding it down on the drums and a vocal cameo from Franz Lyons, Trapped Under Ice appear as one of the essential ground-layers and pieces of integral connective tissue for so much of what is popular and relevant in the hardcore landscape of 2026.

Outbreak leans contemporary, spotlighting and lifting up hardcore’s breaking bands, but the link to heritage and not forgetting the roots is always there and this year it’s in the indestructible form of Suicidal Tendencies. Their line-up has morphed over the years bringing injections of new blood, currently featuring a youthful rhythm section and The Dillinger Escape Plan’s Ben Weinman on guitar who collectively put on pretty much the finest display of musicianship at the festival, but Mike Muir at the centre is the embodiment of 80s crossover’s enduring spirit and his energy in delivering timeless songs like “War Inside My Head” and “Subliminal” is a relentless example.

Finally, the job of bringing this fifteenth anniversary Outbreak to a headline finish falls to UK alternative rock favourites Basement. Having played three times since 2022 and now being entrusted to end the whole fest, something singer Andrew Fisher displays great gratitude for, this is where Basement have fully been cemented in people’s hearts, and they’re in better health as a band than they have been in years.

Indeed with long in the making new album Wired out in the world after several hiatuses, this set feels the reaffirmation of intent that their last few years have been building to, Fisher at one point bluntly stating that “Basement is not a nostalgia band”. They drop the ever-iconic “Covet” four songs in as if to get it out of the way early and show they have more in their arsenal to come, and the new songs like “Deadweight” packing a singalong lead guitar line more than earn their keep.

They’re a band who’ve had their dalliances with major labels but right now seem happiest having thrown themselves fully back into the scene that raised them, perfect representatives of the kind of community and organic stories that Outbreak and its people exemplify.