![STOCKHOLM 2014-05-10 Thousands of runners participated in the Tough Viking Run in a park in central Stockholm, Sweden, May 10, 2014. The race is 7 kilometer long and runner have to clear STOCKHOLM 2014-05-10 Thousands of runners participated in the Tough Viking Run in a park in central Stockholm, Sweden, May 10, 2014. The race is 7 kilometer long and runner have to clear](https://c8.alamy.com/comp/2GJ8G47/stockholm-2014-05-10-thousands-of-runners-participated-in-the-tough-viking-run-in-a-park-in-central-stockholm-sweden-may-10-2014-the-race-is-7-kilometer-long-and-runner-have-to-clear-obstacles-as-ice-holes-electric-fences-etc-foto-jonas-ekstromer-tt-kod-10030-2GJ8G47.jpg)
STOCKHOLM 2014-05-10 Thousands of runners participated in the Tough Viking Run in a park in central Stockholm, Sweden, May 10, 2014. The race is 7 kilometer long and runner have to clear
Tough Viking - Claim our Reebok race t-shirt when signing up for the races. They have now arrived to Sweden and will be sent out in the end of this month. Black
![Finish 10.000 Volts by Reebok at the Tough Viking event at Garde – Stock Editorial Photo © steho #122677350 Finish 10.000 Volts by Reebok at the Tough Viking event at Garde – Stock Editorial Photo © steho #122677350](https://st2.depositphotos.com/1782790/12267/i/950/depositphotos_122677350-stock-photo-finish-10-000-volts-by.jpg)
Finish 10.000 Volts by Reebok at the Tough Viking event at Garde – Stock Editorial Photo © steho #122677350
![Tough Viking Oslo 8km - Oslo • Follow runners and take the race experience to the next level with RaceONE Tough Viking Oslo 8km - Oslo • Follow runners and take the race experience to the next level with RaceONE](https://cdn.raceone.com/tr:n-tileimage/tileimages/original/06726a6f-d513-4edb-8dc9-32037b3fb3d1.jpg)
Tough Viking Oslo 8km - Oslo • Follow runners and take the race experience to the next level with RaceONE
![Crawling under the muddy net trap in Tough Viking obstacle cours – Stock Editorial Photo © steho #110587670 Crawling under the muddy net trap in Tough Viking obstacle cours – Stock Editorial Photo © steho #110587670](https://st2.depositphotos.com/1782790/11058/i/950/depositphotos_110587670-stock-photo-crawling-under-the-muddy-net.jpg)