Midnight Sun Marathon
An Arctic adventure for runners
Midnight Sun Marathon offers five distances and a unique experience under the midnight sun.
In 2025, the race set a new participation record with almost 9,000 runners from 88 nations.
Polar Night Marathon
Norway's largest winter race
Polar Night Marathon – a spectacular race in the blue hour north of the Arctic Circle. Choose from several distances, from 5 km to the full marathon (42.195 km), and experience the magic of the magnificent Arctic nature.
Tromsø Mountain Challenge
Trail running in beautiful Norwegian nature
A weekend full of fantastic cross-country races – spread over two days in Tromsø's unique mountain scenery. Choose your favorite race and look forward to an experience you will never forget.
Tromsø Backyard Ultra
Arctic endurance race in the heart of Tromsø
A very special ultra-race where participants run a lap every hour. When a new lap starts, you have to be ready at the starting line again.
Transferring Registration to next year's race
According to our general terms and conditions, which everyone must accept at Registration, paid initial Entry fees are non-refundable.
If you cannot participate due to illness/injury confirmed by a doctor's certificate, you can send us an email at info@msm.no within one week after the race. We will then transfer your Registration for next year's race against an administration fee of NOK 150.00 which must be paid within one week of the race day.