- [Events](https://oceanswims.nz/) - [2025–2026 Season](https://oceanswims.nz/2025/) - [Season Tallies](https://oceanswims.nz/2025/tallies) - Jo Cattell # Jo Cattell **Total distance:** 10.8km ## Season races - 2025-11-16, Sunday [Rylock Endurance Series Race 1 - Opening Splash](https://oceanswims.nz/2025/rylock-endurance-series-race-1-opening-splash) (2km - 60-69) - 2025-11-22, Saturday [NZ Ocean Swim Series - The Big Tahuna](https://oceanswims.nz/2025/nz-ocean-swim-series-the-big-tahuna) (3km) - 2026-03-01, Sunday [Rylock Endurance Series Race 3 - Ironman Challenge](https://oceanswims.nz/2025/rylock-endurance-series-race-3-ironman-challenge) (3.8km - 60-69) - 2026-03-29, Sunday [Rylock Endurance Series Race 4 - 5km challenge](https://oceanswims.nz/2025/rylock-endurance-series-race-4-5km-challenge) (2km - 60-69) ## Frequently close competitors - **[Maggy Johnston](https://oceanswims.nz/2025/swimmer/Johnston/Maggy)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 0.4% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 6.2% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 14.3% - **[Jax Greening](https://oceanswims.nz/2025/swimmer/Greening/Jax)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 9.9% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): You won by 10.0% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 6.1% - **[Stephanie Gray](https://oceanswims.nz/2025/swimmer/Gray/Stephanie)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 7.1% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 9.3% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 12.8% - **[Kay McPherson](https://oceanswims.nz/2025/swimmer/McPherson/Kay)** - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 2.9% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 3.1% - **[Jan Thompson](https://oceanswims.nz/2025/swimmer/Thompson/Jan)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 0.0% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 7.4% - **[Donna Cornelius](https://oceanswims.nz/2025/swimmer/Cornelius/Donna)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 3.4% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 8.8% - **[Andy Herbert](https://oceanswims.nz/2025/swimmer/Herbert/Andy)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 11.7% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 0.8% - **[Helen Norrish](https://oceanswims.nz/2025/swimmer/Norrish/Helen)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 12.5% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 6.0% - **[Fiona Young](https://oceanswims.nz/2025/swimmer/Young/Fiona)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 10.5% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 8.3% - **[Lauren Somerville](https://oceanswims.nz/2025/swimmer/Somerville/Lauren)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 2.1% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 19.4% - **[Paul Thornton](https://oceanswims.nz/2025/swimmer/Thornton/Paul)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 10.8% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 15.1% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 14.3% - **[Paula Meer](https://oceanswims.nz/2025/swimmer/Meer/Paula)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 15.7% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 9.8% - **[William Nieuwenhuis](https://oceanswims.nz/2025/swimmer/Nieuwenhuis/William)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 12.2% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 19.7% - **[Anne Harwood](https://oceanswims.nz/2025/swimmer/Harwood/Anne)** - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 14.1% - 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (2km): They won by 20.0% - **[Belinda Smale](https://oceanswims.nz/2025/swimmer/Smale/Belinda)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 13.5% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 24.7% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 25.0% - **[Brian McGurk](https://oceanswims.nz/2025/swimmer/McGurk/Brian)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 13.3% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 20.3% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 25.8% - **[Glenn Clyne](https://oceanswims.nz/2025/swimmer/Clyne/Glenn)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 17.7% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 23.8% - **[Jude Vincent](https://oceanswims.nz/2025/swimmer/Vincent/Jude)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 15.1% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 26.5% - **[James Blacklaws](https://oceanswims.nz/2025/swimmer/Blacklaws/James)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 18.0% - 2025-11-22, Saturday NZ Ocean Swim Series - The Big Tahuna (3km): They won by 22.3% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 23.7% - **[Jude Bishell](https://oceanswims.nz/2025/swimmer/Bishell/Jude)** - 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 19.3% - 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 25.4% Source: [Ocean Swims NZ](https://oceanswims.nz/2025/swimmer/Cattell/Jo)