Bartonjo Rotich had the following podium finishes at major championships: 3rd in the 1958 British Empire and Commonwealth Games 440 yards Hurdles. He also finished sixth with the 4×440 yards relay team (with Kibet Boit, Arap Kiptalam Keter, and the non-Olympian Samuel Chemweno) and was eliminated in the semi-finals of the 440 yards and in the heats of the 4×110 yards relay (with Kibet Boit, Seraphino Antao, and the non-Olympian Samuel Chemweno) at the 1958 British Empire and Commonwealth Games.
Personal Bests: 400 – 47.0y (1960); 400H – 51.39 (1960).
|1956 Summer||18||Melbourne||Athletics||Men's 400 metres||Kenya||KEN||4 h2 r1/4|
|1956 Summer||18||Melbourne||Athletics||Men's 4 × 400 metres Relay||Kenya||KEN||4 h3 r1/2|
|1960 Summer||22||Roma||Athletics||Men's 400 metres||Kenya||KEN||7 h3 r2/4|
|1960 Summer||22||Roma||Athletics||Men's 400 metres Hurdles||Kenya||KEN||5 h2 r2/3|
|1956 Summer||18||Melbourne||Athletics||Kenya||Round One||Heat Two||4||48.8||48.90|
|1960 Summer||22||Roma||Athletics||Kenya||Quarter-Finals||Heat Three||7||47.8||47.97|
|1960 Summer||22||Roma||Athletics||Kenya||Round One||Heat Seven||3||QU||47.7||47.89|
|1960 Summer||22||Roma||Athletics||Kenya||Semi-Finals||Heat Two||5||51.8||51.97|
|1960 Summer||22||Roma||Athletics||Kenya||Round One||Heat Five||2||QU||51.2||51.39|