From OpenwaterpediaShell Festival Sea Swim, a 2.5 km swim through Boneyards at Jeffreys Bay in the Eastern Province of South Africa.
Isabeau became the first woman in South Africa to complete a 2 K open water butterfly swim at the Ocean Racing Series in Port Elizabeth. She has also completed a 1 K butterfly swim at the Eastern Province Open Water Swim Series.
She trains at Marina Martinique in Jeffreys Bay and is also a competent surfer.
2012 Shell Festival Sea Swim results
1. PJ Duffey and Siegfried Lokotsch: 38:05
3. Buff van Westenbrugge: 41:30
4. Caro de Jager: 41:35
5. Kevin Grey: 41:45
6. Rebecca Newman: 46:21
7. Richden Jute: 46:25
8. Ralph West: 51:35
9. Kendal Wright: 55:35
10. Isabeau Joubert: 1:01:35
11. Brenton Williams (butterfly) 1:01:40
12. Rebecca Baard: 1:01:55