Mezue ahịrịokwu na-esonụ: Holcomb nwetara ihe nrite anọ na FIBT World Championships: ọla edo (mmadụ anọ: 2009) na ọla nchara atọ (mmadụ abụọ: 2009, ìgwè agwakọtara:
2008, 2009). O merikwara n'asọmpi Iko Mbaụwa nke 2007 nke ndị nwoke abụọ, merikwara n'asọmpi Iko Mbaụwa nke 2007 nke ndị nwoke abụọ, ma bụrụ onye nke abụọ n'asọmpi Iko Mbaụwa nke ndị nwoke anọ nke 2007. Ọ ghọrọ nwoke mbụ si Amerịka meriri n'asọmpi Iko Mbaụwa nke nwoke abụọ. Holcomb merikwara n'asọmpi Iko Mbaụwa n'afọ 2007 na 2010, nakwa n'asọmpi Iko Mbaụwa n'afọ 2010.