Island Ultra
Trail Running covering 10 km to 55 km with up to 2,414 m D+ in Nelson, New Zealand
Island Ultra is an endurance sporting event in Nelson, Nelson Region, NZ focused on Trail Running. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, Forest, Kids & Youth Races.
The race program comprises 4 competitions, including 55 Km (55 km, +2,414 m D+), Trail 33 km (33 km, +2,000 m D+), Trail 18 km (18 km, +1,000 m D+), and Trail 10 km (10 km, +500 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (ultranz.com).

Event characteristics
Races & distances (4)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| 55 Km | Trail Running | 55 km | +2,414 m | 8 m - 1,022 m | Loop course | Route & profile |
| Trail 33 km | Trail Running | 33 km | +2,000 m | 11 m - 851 m | Loop course | Route & profile |
| Trail 18 km | Trail Running | 18 km | +1,000 m | 14 m - 434 m | Loop course | Route & profile |
| Trail 10 km | Trail Running | 10 km | +500 m | 17 m - 227 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 8 m to 1,022 m above sea level (+2,414 m D+, -2,414 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 851 m above sea level (+2,000 m D+, -2,000 m D-)
Elevation profile & course telemetry
Altitude from 14 m to 434 m above sea level (+1,000 m D+, -1,000 m D-)
Elevation profile & course telemetry
Altitude from 17 m to 227 m above sea level (+500 m D+, -500 m D-)
Frequently asked questions (FAQ)
When and where does Island Ultra take place?
Island Ultra takes place in Nelson, Nelson Region, NZ (start area at coordinates 41.2985° S, 173.2444° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Island Ultra?
The race program comprises 4 competitions, including 55 Km (55 km, +2,414 m D+), Trail 33 km (33 km, +2,000 m D+), Trail 18 km (18 km, +1,000 m D+), and Trail 10 km (10 km, +500 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Island Ultra?
The main competition (55 Km over 55 km) is designed as a loop course featuring +2,414 m of elevation gain and -2,414 m of elevation loss, ranging between 8 m and 1,022 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for Island Ultra?
Official race regulations, course details, and registration information are provided on the organizer's website (ultranz.com).