Onkabetse Nkobolo gained his first international experience at the Junior African Championships 2011 in Gaborone , where he was eliminated over 800 meters in the first round. At the 2014 African Championships in Marrakech , he reached the semi-finals over 400 meters and could not finish his run there. In 2015 he took eighth place with the season at the World Relays in the Bahamas . He then retired at the World Championships in Beijing over 400 meters with 45.17 seconds in the lead , as was the case with the Botswana 4 x 400 meter relay, which also retired in the lead with a new national record of 2: 59.95 minutes . At the end of the season he won the bronze medal over 400 meters at the Africa Games in Brazzaville and also won the silver medal behind Kenya with the 4 x 400 meter relay.