Wrex was educated at Prince Edward High School in Salisbury.

Tarr was a news reader for the Rhodesian Broadcasting Corporation for a time.

Tarr then went on to compete in the 1988 Olympics representing Zimbabwe in archery along with his second wife, Merry.

Wrex Tarr also ran a swimming pool business in Zimbabwe[4] and, later on after relocating to South Africa, was an organiser and contributor to the St. Francis Conservancy Project where he served as a steering committee member.

Wrex Tarr died on the 6 June 2006 in East London, in South Africa, from a heart attack.