At the 2008 National Athletics Competition for the Disabled (Pekan Olahraga Cacat Nasional), he won two gold medals.

[4] That year he took a position as an athletics trainer for the provincial government's Department of Youth and Sports.

[1] Losu spent six months training in Riau for the 2009 ASEAN ParaGames in Malaysia, which was unsubsidised by the government.

[5] At the Games he won a silver medal, for which he received a financial reward from the government of Riau.

[2][8] In June 2012, he began training to represent Indonesia at the 2012 Summer Paralympics in London, together with two other athletics competitors (including Setyo Budi Hartanto), a powerlifter, a swimmer and a table tennis player.