Multi Island Run 


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Welcome to SMIR

SMIR is a world unique experience in the outer Stockholm archipelago. But it is also an ultra marathon. Run in teams of two. Across 8 of the bigger islands. All in one day!


The amazing story about The Original 10

On July 27th 2017, a hand-picked group of brave runners set out on an amazing journey. They had one goal. To attempt the crazy idea of running the entire Stockholm archipelago in one day. Forever legends, the Original 10 proved it could be done!

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SMIR2020 - the fotos

Enjoy some of the awesome SMIR fotos by clicking the image below.


Also, check out the winner of mixed, Frida Södermark's, amazing Race Report.


Click on the image above to see all the pictures from SMIR2020

Founder and creative idea


Challengize is a partner and platform for proactive and inspiring health initiatives. From our digital health challenge app to inspiring races and events. Our mission is to "get people active and have fun together" which is in our DNA across everything we do.

Besides being a totaly awesome corporate health challenge, we love to create what we call experience races. Races like SMIR where the team-effort and wolr unique experience is key, not necessarily the time. 


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Presenting partner

RaceONE is the number one app for hosting, participating and experiencing virtual runs and challenges in real time.


During SMIR RaceONE will not only participate with two teams, but will also be the virtual host for the multi island run. RaceONE will offer all supporters an online experience following the teams on their epic race to Utö in real-time. See you online!


Sponsor and friend


Vitamin Well offers a modern, healthier and tasty alternative to sodas and sugary juices. A beverage that is tasty, nutritious and contains less sugar.

Vitamin Well will offer refreshing drinks to all participants on the SMIR boat.


Sponsor and friend

Established in 1847 by brewer J.C. Jacobsen, Carlsberg Group is one of the leading brewery groups in the world today.

In SMIR the Carlsberg finisher beer at Utö Gruvbryggan after running 75km over 8 islands is probably the best beer in the world! 

Go to Carlsberg