This race will be our most beatuful one. With some amazing trails and beautiful swimming. You will experience the variation between running on Marstrand's alleys past all the restaurants on the quay, the beautiful Koön where there are paths and meadow land and a betauful trail path around the actual Martrandsön which is one of the kind in the world.

The medium long swimming distanances will give all teams ideas on how it is to swim in open water. We believe that the track is just as challenged it should be. Not like Advunture 3.0 but a real challange.

The weather during this period is perfect for swimrun with water temperatures between 18 - 22 degrees and about 20 - 25 degrees in the air.


The course is magnificent and a real challenge. You start on the Ferry nearby Marstrand. You will pass through famous places as the first lap stretches around Marstrand's island, a lap on Koön and then finish with a lap on Marstrand's island where you also come get to run through Carlstensten's fortress. A total of 16,4 km with 13 swim sections where the longest is 750 meters. A total of nearly 2 975 meters of swimming. 

At Koön we also have the longest running distance, almost 4,400 meters.  From the start you will run and swim on Marstrandsön, a total of 6,000 meters with sim and running distances then you will cross over to Koön where the main part of the island is running Koön's Sim and running distances.

On Marstrand's island again runs through the Carlstenstens fortress before you embark on the last lap. You end at Strandverket. Strandverket is the place that is known for the annual sailing competitions at Marstrand. Marstrands with surroundings offer one of the most amazing environments a swimrun can run in. With historical buildings and a cultural heritage, Marstrand is probably one of the most beautiful places in Sweden. The race track also makes it easy for the audience to follow the race.


Total race distance 16 440 m

Trail-running 13 465 m

Swimming 2 975 m

Swim sections 13

Longest swim 750 m

Swim & running distances document TBA


The registration for Marstrand Swimrun Sprint 2019 is now open. Welcome to report your team to a fun and challenging experience in the Bohuslän archipelago. The registration fee for Marstrand Swimrun Sprint (2 pers, SEK 948 p.p) SEK 1,895 per team.

Competition day: Saturday, August 10, start at 12:00

The registration fee includes:

Snack bag, SwimRun meal (BBQ buffet with drink) Transport to and from Marstrand (Koön - Marstrand) Start kit with BIB patch, cap. Energy & fluid along the path. Goodie bag with products from sponsors and partners, power storage, prize ceremony, accident insurance, timing and security organization.

Accommodation and dinner in the evening:

If you want to sleep over or eat something good later in the evening - There will soon be a accommodation and dinner package. Informatio will be posted on our website.

After the notification, a confirmation email will be sent. This is your initial certificate. Print and bring it to the competition day. 

PUL Swedish Law According to the Personal Data Act, consent is required to save personal data, such as eg. name and contact details. When you register your information on this form, they will be saved in our register, and your registration will therefore also be an approval to save the information. The information will not be passed on to third parties without your permission, except if required to process and fulfill your order or participation.

The registration is binding only when the starting fee is paid. No refund is made. To get the money back when canceling due. accident or illness, you must take out the insurance "Startklar" at Folksam. More information can be found at www.startklar.nu



We started Marstrand Swimrun 2015. The idea is to create an exciting sporting event at famous Marstrand. The island offers a beautiful archipelago environment, history, restaurants, hotels, shopping and fantastic nature experiences.


MarstrandOpenWater AB

Kvarngatan 6

440 30


T.  0046 (0) 705 113285

E.  info@marstrandopenwater.se

W. www.marstrandswimrun.se

Copyright @ All rights reserved MarstrandOpenWater AB