In 2008, he carried the legendary Jón Páll Sigmarsson Stone for 28.24 metres (92 ft 8 in) for a new world record.

In 2009 he participated at Strongman Super Series Romania Grand Prix and won second place.

[2] Two months later he competed in the 2010 World's Strongest Man and qualified for the finals and finished sixth.

On the same year Best finished second at the Strongman Super Series Swedish Grand Prix behind Brian Shaw.

Also in 2012, he competed in the inaugural SCL North American Championships in Warwick, Ontario, winning third place.