Career
He is from Kaptama in Mount Elgon District. Prominent runner Edith Masai is from the same area. Simotwo has competed at the IAAF World Athletics Final twice, winning a bronze medal over 1500 m in the 2007 edition
He reached the finals of the 1500 m at the 2008 IAAF World Indoor Championships, finishing in seventh place.
Personal bests 800 metres - 1:45.5 minimum (2005).