gravelmtbroadbeginner friendly

Grinduro California

California, USA · 12 September 2026

Difficulty: 3/5 — Hard

A unique 51-mile gravel enduro event in Quincy, California, featuring 7,200 feet of climbing across a mix of paved roads, dirt, and singletrack. Combining a festive atmosphere with competitive timed segments, this race offers a balanced mix of challenging terrain and celebratory vibes.

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Distances
23 miles · 51 miles
Elevation
2,195 m
Surface
gravel, tarmac, singletrack, dirt
Typical W/kg
2.5–3.8

Rider fit

Who it's for

This event is perfect for riders who love the social side of cycling and want to test their skills on varied terrain without the pressure of a continuous race clock.

Who will struggle

Riders who prefer pure, uninterrupted pavement or lack the bike-handling skills required for singletrack descents will find the technical dirt and gravel sections challenging.

Training focus

Focus on building your climbing stamina to tackle the three major ascents, alongside improving your technical descending skills on loose dirt and singletrack.

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 are the distance options available?+

There are two options: the full Grinduro, which covers 51 miles with 7,200 feet of elevation gain, and the non-competitive Grindurito, which is a 23-mile course with 3,000 feet of climbing.

How does the timing and format work?+

Unlike traditional races, your overall time is not tracked. Instead, you are timed on four specific segments (each lasting 5 to 10 minutes) with a conversational pace in between.

What kind of terrain and surfaces should I expect?+

The route consists of a mix of smooth pavement, gravel, hard-packed dirt roads, and newly built flowy singletrack.

Is camping included with registration?+

Yes, basic camping is included for participants, though additional fees apply for RVs and trailers.

What support is provided on the course?+

Riders have access to stocked aid stations, technical support stations, and professional race timing.

Where does the event benefit?+

Proceeds from the race entry support the Sierra Buttes Trail Stewardship, a non-profit organization that builds and maintains trails in national forests.

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