About This Event
Set in the rugged heart of Central Otago, New Zealand, Northburn 100 delivers one of the country's most challenging endurance experiences. The event spans multiple distances across remote high-country terrain, where runners face rocky climbs, unpredictable mountain weather, and the stark beauty of the South Island's interior. With its tagline "where suffering is the prize and everyone's a winner," Northburn has built a reputation as a true test of mental and physical resilience. The race serves as a qualifier for both Hardrock and UTMB, attracting runners seeking to prove themselves on demanding mountain terrain. Past participants consistently describe it as one of the hardest races they've attempted, with challenging conditions that push runners to their absolute limits.
Choose Your Distance
5K
A 5K trail race, Cromwell, Otago.
10K
A 10K trail race, Cromwell, Otago.
Half Marathon
A Half Marathon trail race, Cromwell, Otago.
Marathon
A Marathon trail run, Cromwell, Otago.
50K
A 50K trail run, Cromwell, Otago.
100K
An ultramarathon distance of 100K on trail, Cromwell, Otago.
100 Mile
The flagship 100-mile distance represents the ultimate Northburn challenge across three demanding loops. Runners face 160 kilometers of rocky climbs, sleepless hours, and the full spectrum of Central Otago's harsh mountain conditions.