Career
He tied Aldemir da Silva Junior for the 200 metres title at the 2011 South American Junior Championships in Athletics. On 28 April 2012, Palomeque broke the Colombian National Junior Record in the 400 metres with 45.62, thereby also meeting the "B"-Standard to qualify for the 2012 Summer Olympics. He was initially suspended and later excluded from the games after testing positive for exogenous testosterone.
He was banned for two years between 12.08.2012 and 11.08.2014.
100 m: 10.41 s A (wind: -16 m/s) – Ciudad de México, 15 August 2014
200 m: 20.69 s A (wind: +03 m/s) – Medellín, 29 April 2012
400 m: 45.62 s A– Medellín, 28 April 2012.