- This event has passed.
Northburn 100
March 22, 2025 – March 23, 2025
Where suffering is the prize and everyone’s a winner!
| Northburn 100 | 100km Ultra | 50km Skyrun | The Marathon | |
|---|---|---|---|---|
| Distance | 160km | 100km | 50km | 42km |
| Vert (m) | 10,000 | 6300 | 2600 | 2200 |
| Gradient | 6.3% | 6.3% | 5.2% | 5.2% |
| GRADIENT FACTOR | Harsh | Harsh | Harsh | Harsh |