[1] At age 27, he took over the head coaching job at Warrington Vikings in England, who later became Manchester United Basketball.
Additionally, he served as head coach of the British men’s national team during the qualifiers to the 1988 Olympic Games in Seoul.
In the 2011-12 season, Whelton served as head men's basketball coach at the State College of Florida[5] and then took up an offer from China, signing with the Foshan Long Lions.
[6] In 2013, Whelton was back in Florida, serving as head boys basketball coach at the Sarasota Christian School until October 2014.
[7] In the 2015-16 campaign, Whelton worked as head coach for the Liaoning Jiebao Hunters of the Chinese Basketball Association.