[5] He was initially a sprinter, but did not progress further than county level, and took up bobsledding after being invited for trials[3] due to his 6 ft 4in, 112 kg frame.

[9] Much of Olubi's salary was paid by UK Sport and the National Lottery and by a post as a secondary school supply teacher.

In 2016, after finding that his salary wasn't enough for him to train five days a week, he applied for various British game shows.

He and Brad Hall contested the 2017–18 Bobsleigh World Cup, but was disqualified after he fell off and completed the course on foot.

[6] He then contested the 2018 Winter Olympics, where he, Lamin Deen, Andrew Matthews, and Ben Simons came 18th.