Bayron Efrén Piedra Avilés is an Ecuadorian middle distance and long-distance runner.
Bayron Piedra at the 2015 Pan American Games
2009 South American Championships in Athletics
The 2009 South American Championships in Athletics was the forty sixth edition of the tournament and was held between 19 and 21 June in Lima, Peru.
2009 South American Championships in Athletics
Fabiana Murer (above) set a new pole vault record.
Lucimar de Moura won gold for Brazil in the women's 100 m.