Jammer skating
Kalmar Union
The Nordic open-gender roller derby national team
Kalmar Union logo
We are the
Kalmar Union
Oslo tryouts

We're here to strengthen Nordic roller derby across borders and inspire future generations of our sport by competing under the same banner at the World Cup!

The Nordic countries have a long history as much of infighting as cooperation. With the open-gender roller derby national team Kalmar Union, we build the basis for a new Nordic roller derby culture.

Our name stems from 1397, when Europe's first queen regent, Margrete (or Margaret) I, gathered the Nordic countries under her rule. Some 500 years later we're together again!

Oslo tryouts
Oslo scrimmage
Support our journey!
Oslo scrimmage

Want to support our journey to the World Cup and our work to build Nordic open-gender roller derby stronger?

The great Nordic Punch
Nordic Punch poster

Buy tickets now!

Four open-gender roller derby national teams meet for battle in Gothenburg 7—8 March 2026: Wales Roller Derby Cymru, Power of Scotland, Team Spain and Kalmar Union

The World Cup in Orléans, France in May 2026 will be the first in 8 years to invite all genders to the track. This tournament less than two months before is a great chance to get a feeling of the strength of some of the central European competitors. Unable to go to World Cup? Come to Gothenburg for at a taste of the action, or follow the live stream on YouTube!

You can get the last updates in the Punch Facebook event.

Nordic Punch poster
Oslo scrimmage action shot
What is roller derby anyway?
Oslo scrimmage action shot

Roller derby is a contact sport on quad roller skates. Two teams play against each on an oval track for 2x30 minutes, split into jams of up to 2 minutes. Each team fields five players, one of whom has a star on their helmet (the jammer). They score points by passing the four remaining players on the other team (blockers).

The sport has been a safe space for the queer community since the beginning, and it is known worldwide as an inclusive community. Local leagues can follow the gender statement of the Women's Flat Track Derby Association or be open-gender/open to all like the Men's Roller Derby Association. The rules are the same.

Thank you!
Gothenburg tryouts

Thanks to local derby leagues for helping us, especially to Västsvenska Roller Derby Sällskapet, Oslo Roller Derby and Copenhagen Ladybugs for hosting our events! The Ladybugs also look after our money. The national skating associations have offered support, financially or in other ways.

Thanks to Denise Azimarev for taking the action photos on this website!

Want to sponsor us? We can offer visibility on this site, in social media and in other ways. Get in touch to hear more!

Gothenburg tryouts