Mezue ahịrịokwu na-esonụ: Howard Grotts (amụrụ na Jenụwarị 12, 1993) bụ onye America na-agba ịnyịnya ígwè ugwu. Ọ nọ n'elu ịnyịnya
ihe omume ịgba ọsọ na 2016 Summer Olympics. O merikwara Leadville Trail 100 maka afọ 3 n'usoro site na 2017 ruo 2019.