The Norseman xtreme triathlon is a non-Ironman branded triathlon, point to point, race held in Norway annually. The distances are equivalent to those of an Ironman race with the swim starting from the loading bay of a car ferry, through the water of the Hardangerfjord fjord to the local town, Eidfjord. At Eidfjord the competitors transition onto their bikes and then cycle 180 km through the mountains, the first 40 km of which is uphill (reaching 1200 m above sea level). After transition two (at Austbygda), the competitors then run 42.2 km of which the first 25 km (to Rjukan) are flat and following this they end up climbing the local mountain, Gaustatoppen, 1880 m above sea level.
The race is "unsupported" so competitors need to have personal back up crews that follow them with cars to provide them with food and drink. The support crews also have to accompany their competitor up the final mountain climb due to the inherent dangers of being highly fatigued on a mountain. During this final mountain climb competitors are required to carry a backpack containing emergency food and clothing should the weather turn, whilst they are on the mountain.
Weather conditions and strict health checks and deadlines determine whether the race can be followed into the mountains and those that finish are given a black finishers top and take on the name "Norsemen". Those that do not make the cut-off time but complete the distance on a lower alternative route are given a white finishers top. The number of participants is usually limited to a certain number of competitors. Approximately 40% of the participants are from outside Norway; and about 15% are female.
Norseman triathlon first took place in 2003 with 21 individuals at the starting line. The race time record is 10:30 by Björn Andersson (Sweden) in 2005 (with irregular 190 km bike) and for women it is 13:10 by Susanne Buckenlei (Germany) in 2011 (with irregular 200 km bike).