Complex sentence: Raised in Davis, California, Malachi was 2X State Qualifier in the 400m in high school, holding school records in the 400m, and competed at Sacramento City College, becoming state champion in the 400m and 4x400m.
Split into simpler sentences: Raised in Davis, California, Malachi was 2X State Qualifier in the 400m in high school. Holding school records in the 400m, he competed at Sacramento City College, and he became the state champion in the 400m and 4x400m.