[1] In February 2014, Castañeda represented Colombia at the 2014 South American Race Walking Championships and did not finish.
[2] In June 2017, Castañeda represented Colombia at the 2017 South American Championships in the 20,000 meter walk and won a silver medal.
[3] In June 2018, he represented Colombia at the 2018 South American Games in the 20 kilometers walk and finished in fourth place.
[2] In May 2019, Castañeda represented Colombia at the 2019 South American Championships in the 20,000 meter walk and won a gold medal.
In October 2019, he represented Colombia at the 2019 World Athletics Championships in the men's 20 kilometres walk and was disqualified.