William Nieuwenhuis

Total distance: 12.3km

Season races

• 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km - 30-39)
• 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km - 30-39)
• 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km - 30-39)
• 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km - 30-39)

Frequently close competitors

• Glenn Clyne
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 6.3%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 3.6%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 5.1%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 12.9%
• Brian McGurk
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 1.2%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 7.3%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 7.6%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 13.1%
• Jude Vincent
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 3.3%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 6.2%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 8.4%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 13.5%
• Rob Boomer
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 7.5%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 7.7%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 13.9%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 19.3%
• Altan Ní Mhurchú
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 4.9%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 6.1%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): You won by 9.6%
• Hugh MacMillan
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 7.6%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 6.5%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 8.3%
• James Blacklaws
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 6.6%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 4.9%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 12.8%
• Maggy Johnston
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 13.5%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 6.9%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 6.8%
• Stephanie Gray
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 5.9%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 10.1%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 13.0%
• Jude Bishell
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 8.1%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 7.1%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 14.7%
• Dave Loose
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 8.5%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 14.0%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 15.5%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 19.6%
• Kimberly Maclean
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 11.0%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 13.7%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 19.0%
• Christina Harris
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 17.8%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 18.2%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 20.0%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 24.3%
• Jonathan Linyard
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 19.5%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 18.5%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 20.3%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 22.8%
• Matt Pemberton
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 19.7%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 17.4%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 20.4%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 23.2%
• Craig Moore
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): They won by 23.9%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): They won by 23.2%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): They won by 25.8%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): They won by 30.8%
• Stephen Neas
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 1.2%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 0.1%
• Nevin Price
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 1.1%
  • 2026-03-01, Sunday Rylock Endurance Series Race 3 - Ironman Challenge (3.8km): You won by 1.1%
• Stephen Taylor
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 1.2%
  • 2026-03-29, Sunday Rylock Endurance Series Race 4 - 5km challenge (5km): You won by 2.1%
• Eileen Searle
  • 2025-11-16, Sunday Rylock Endurance Series Race 1 - Opening Splash (2km): You won by 2.5%
  • 2026-02-19, Thursday Nelson Sea Swim Series - Race 15 (1.5km): You won by 0.9%