Here is a titles grab from the Ocean Challenge series from the early 1990s. The first episode went out on 26th September 1992.
Here is the entry from the Radio Times, courtesy of the BBC Genome project:
“The first in a series of programmes following 120 enthusiastic amateurs who set sail today in ten identical yachts for a 28,000-mile round-the-world race spearheaded by Chay Blytg. With Julian Pettifer. Producer Tony Rayner. (The next programme will be shown in December as they reach Rio de Janeiro)”
Thanks to Ian Collins for making the grab available.