[Events](https://oceanswims.nz/) / [2026–2027 season](https://oceanswims.nz/2026/)



Open water swimming



# Rylock Endurance Swim Race 4 - Ironman Challenge



Nelson · Sunday 7 March 2027



[Add to calendar (.ics)](https://oceanswims.nz/2026/rylock-endurance-swim-race-4-ironman-challenge/calendar.ics)



| Field | Value |
| --- | --- |
| Event date | Sunday 7 March 2027 |
| Location | Nelson |
| Event website | [https://nelsontriclub.co.nz/events/race-4-rylock-doors-windows-ironman-challenge-2027/](https://nelsontriclub.co.nz/events/race-4-rylock-doors-windows-ironman-challenge-2027/) |
| Distances | 3.8km, 1.3km |
|  | [Enter on organiser’s website ↗](https://www.webscorer.com/registerseries?pid=1&seriesid=447701) |



## Swim distances



3.8km, 1.3km



## The venue



Nelson

## About Ocean Swims NZ

[Ocean Swims NZ](https://oceanswims.nz/) is a community-maintained calendar of open water swimming events across New Zealand. Explore upcoming swims, past seasons, venue maps, and published swimmer results and distance tallies.

Source: [Ocean Swims NZ](https://oceanswims.nz/2026/rylock-endurance-swim-race-4-ironman-challenge)