Humphrey Kayange was born on 20th July 1982 in Eldoret. Kayange is a proud product of Kakamega high in Western Kenya. While at ‘Katch’ in the 90s, the school mentored him to become a rugby star. Through a scholarship, he got a chance to pursue a degree in chemistry at Bristol University. Kayange played for the military team Ulinzi RFC in the Kenya Cup league. The team was later disbanded, and he moved to Mwamba RFC. He was part of the Kenyan squad at the 2009 Rugby World Cup Sevens, reaching the semifinals. He was nominated for IRB Sevens Player of the Year in 2009.Kayange has also played for the Kenya national rugby union team (15s), at the 2011 World Cup Qualifiers. Kayange announced his retirement in October 2016 from the Kenyan rugby sevens team at the age of 34.