 Niklas Arrhenius akaberekwa musi waSeptember 10, 1982 mutambi weAmerica-Swedish uye mutambi wenhandare uyo anokwikwidza mukukanda dhisiki uye kupfura. Akamirira Sweden mumutambo wedhisiki kumaOlympics eZhizha a2008, aive mukwikwidzi wenguva ina paWorld Athletics Championships 2007, 2011, 2013, 2017, uye akakwikwidza pamitambo mishanu yakateedzana yeEuropean Athletics Championships kubva 2006 kusvika 2016. Pamakwikwi eSweden Athletics Championships akahwina mikombe minomwe yenyika mudhisiki, uye aive shasha kanokwana kasere mukupfura akabatanidzwa mukati nekunze. 