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Built on bad decisions in Boulder, CO.

Northburn 100

4 Race EventsMarathon, 50K, 100K, 100 Mile

Cromwell, Otago, New Zealand

Northburn 100 Miler

Northburn 100 Miler

Mar 20, 2027

100 MileCrewPacers

Northburn 100km Ultra

Northburn 100km Ultra

Mar 20, 2027

Northburn 50km Skyrun

Northburn 50km Skyrun

Mar 20, 2027

Northburn Trail Marathon

Mar 20, 2027