gravel

North South Colorado

Colorado, United States · 28 August 2026

Difficulty: 5/5 — Brutal

This 600-mile multi-surface cycling adventure across Colorado's Front Range presents an extremely difficult test of endurance over varied gravel and mountain bike terrain.

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Distances
600 miles
Surface
gravel, singletrack, dirt
Typical W/kg
3–4

Rider fit

Who it's for

This race is for highly experienced ultra-endurance cyclists seeking a multi-day, self-supported challenge on mixed terrain.

Who will struggle

Riders new to multi-day events, self-supported racing, or extensive off-road mileage will find this event extremely challenging.

Training focus

Training should prioritize sustained power over many hours, technical bike handling for mountain bike sections, and robust self-sufficiency skills.

Are you ready for this race?

Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.

FAQs

What is the race distance?+

The event features a single 600-mile route.

What type of terrain can riders expect?+

The route primarily covers gravel and mountain bike terrain, crossing the Front Range.

What is the Grand Depart date and time?+

The race begins on August 28th, 2026, at 7:30 am.

When does registration open?+

Priority registration for WTFNB/BIPOC riders opens on May 15th, and general registration opens on June 1st. Registration is currently open.

How can I contact the organizers?+

You can reach the organizers via email at northsouthrace@gmail.com or join their Slack channel for community updates and logistics.

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