Everything you need to know about Olympic Marathon Swimming.
A 10km race in open-water, this is another adventure sport. It entered the Olympic Games at Beijing 2008.
Watch more Marathon Swimming: http://bit.ly/2a0pV44
rokur
Production engineer and certified swim coach. Full-time IT consultant, spare-time swimming aficionado. 2 sons, 2 daughters and a wife. President of the Faroe Islands Swimming Association. Likes to run :-)