Slam Dunk Festival have completed the line-up for their 2026 edition, which also marks their 20th anniversary.
The festival have also announced two new side-by-side stages dedicated to metalcore, hardcore and post-hardcore, with zero set clashes, to celebrate the 20th anniversary.
Knocked Loose join previously announced Good Charlotte and Sublime at the top of the bill, with Malevolence, Comeback Kid, Deaf Havana, Hands Like Houses, A Loss For Words, Angel Du$t, Bayside, State Champs, Boston Manor, Heriot, Madina Lake, Saosin, Vukovi, Call Me Amour, Currents, Dead Pony, Dying Wish, Guilt Trip, Beauty School, Origami Angel, Pest Control, Punk Rock Factory, SiM, Trash Boat and Youth Fountain also confirmed.
Check out the full line-up below!

Slam Dunk Festival will take place in Hatfield Park on 23rd May and Leeds Temple Newsam on 24th May 2026.
Tickets are on sale HERE.





