 Complete the following phrase:  Guero Gao grew up in the Dosso area of Niger, where he was a recognized long-distance runner. He moved to France to continue training athletics in an Olympic-prep program he was selected for by Nigers Athletic Federation, as he was a favorite to break Nigers 1500-m national record set by Amadou Dogo in 2008. He competed in highly-varying disciplines from the 800 metres to even 10-km road races with athletic club Stade Sottevillais 76 in Sotteville-lès-Rouen. On March 11, 2012, Guero Gao finished a 10k run by the Seine, recording a time of 32:30 min:sec. He competed in the 