The Strong Viking - Ultra Viking Amsterdam is a 60 km obstacle run with over 135 obstacles across four stages. It includes signature challenges such as the 14-meter Fjord Drop and Mud Trenches, along with three Ultra Viking challenges. Finishers within 10 hours and cut-off times receive a T-shirt and the Ultra Viking medal. Complimentary beer or water is provided at the finish, with free downloadable action photos. A guarded bag check is available for one bag. Water quality of crossings is tested. The minimum age is 18.