GU
Grétar Björn Unnsteinsson
ISLMen
Birth date7/7/2006
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Grétar Björn Unnsteinsson is a Iceland relay runner, born on July 7, 2006. He competes primarily in the 4x400m, PV and DT.
His personal bests include 3:39.85 in the 4x400m, 4.61 in the PV and 32.09 in the DT. He has earned 2 gold medals in major international competitions. He is currently active on the international athletics circuit, representing Iceland.