Results for all three 2015 races are posted below.  Look to the right of each race listing.

Thanks for a great year, and we’ll see you in 2016!

Women, check out our 2015 Nevada County Women’s Mountain Biking Skills Clinic, Nov. 6-8!


The 2015 Dirt Classic XC Series is a USAC Santioned XC Series with race 1 on the Pioneer and Dascombe Trail systems near Harmony Ridge Market off of Hwy 20, 5 minutes east of Nevada City, race 2 on private land just outside Grass Valley, CA, and race 3 on the Pioneer/Hallelujah loop near Skillman Campground also off of Hwy 20, 20 minutes east of Nevada City.

Dirt Classic Flyer


2015 Race dates, waivers (print & bring), and results:


Registration Opens: 7am

Race start time:  Check each date above for a link to the official start times. 1st wave off at 10am with mandatory pre-race meeting at 9:45 at start line.

Race Cost**:  Parking $5/race, Adult $30.00*,  Junior $20.00*, 5 y.o. & under FREE (*Add $5 for Same Day Registration)

**Note: If you are not a USA Cycling license holder, we are required to charge a $10 fee for a day license. This is a required rule by USA Cycling as of 2014.

Awards following races

USACycling Mountain Bike Categories:

  • PRO – Professional
  • CAT 1 – Expert / Semi Pro
  • CAT 2 – Sport
  • CAT 3 – Beginner


Course Info

Race #1:


We’ve made a loop using the USFS Pioneer and Dascombe Trail Systems off of Conservation Road and Hwy 20, about 5 minutes east of Nevada City. This race is part of the Sierra Cup Series too! Parking is $5.

Race #2: 

Our most popular race, it is mostly single track with sections of tight two track running under a forest canopy. A 4+ mi course, it climbs 700′ per lap. The course runs on the side of a hill and is twisty, technical, lots of ups and downs, and offers a fun challenge for beginners and experts alike. ** The Grass Valley course is not open to the public and is not available for riding outside of these race events. Please respect this request or we will lose our permission to use this excellent course. Thanks! **

Race 2 Directions & Parking:

  • $5 parking fee
  • [Directions PDF]


Race #3:


One of our favorite loops, the USFS Pioneer and Hallelujah Trail Systems, it is a 5+ mi single track course in the Tahoe National Forest approximately 20 min east of Nevada City.

Race 3 Directions & Parking:

  • $5 parking fee
  • No cell service at venue. No water.
  • From Nevada City, take CA-20 towards I-80.  Pass White Cloud CG and watch for the blue 1000′ Omega Vista sign, and take immediate right on FS Rd 20-09.  Drive 0.5 miles and watch for parking volunteer.
  • From Reno, take CA-20 west from I-80. Pass Washington Rd and the Omega Vista pullout on right. Immediately following vista, take first left on FS Rd 20-09. Drive .05 miles and watch for parking volunteer.
  • Race 3 Directions [PDF]


And…the 2015 Specialized Mountain Bike Raffle!

Find Us On…

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Questions? Send email to:


Past Results:

2013: Race 1Race 2 | Race 3

2014: Race 1 | Race 2 | Race 3



“Nevada City Dirt Classic(XC)” event name is resurrected!

This event name was last used in 2000, by owners of Extreme Outfitters Bicycles, Charlie and Kim Cuisinot. We hope to see returning and new cyclists at our summer race series in Nevada County. This is a new fundraiser series, benefitting Youth Bicyclists of Nevada County Foundation Programs for school bike club youths. “Thank You” to the Tahoe N.F. for permitting us this recreational event and at the same time helping us to support our mission.


Please Remember…

  • Carpool o Pack-it-in and pack-it-out
  • Bring water, bike & helmet & cowbells o Ride-it, Don’t-Slide-It
  • Ride Friendly


YBONC Foundation’s mission is to engage youths to the outdoors, promoting a positive and healthy lifestyle with the sport of cycling. We accomplish this by supporting school bike clubs and hosting a variety of bike related activities with our programs. For more, visit

And of course…

Be part of the “LET’S MOVE CAMPAIGN”

…America’s Move to Raise a Healthier Generation of Kids!


CalStar Air Ambulance Insurance:

You now can sign-up for $35 CalStar Air Rescue Ambulance thru YBONC Foundation’s “group rate”.
Select $5 YBONC Individual Membership, or $20 YBONC Family Membership, when you register for races
AND go directly to Calstar’s “GROUP” Membership link, and sign-up as
a “NEW” CalStar member with YBONC Foundation’s Group No. 4 1 1 3 9 (https://www NULL.usacycling NULL.php?pagename=login)
If signing up as YBONC Family Membership, you must list all family member names when doing
CalStar’s on-line group membership.  This will display family member names on CalStar’s roster.



Horn of the Bull Taqueria will be on site at each race.



Closest US Forest Service Campgrounds: (http://www NULL.forestcamping NULL.htm)Search for: Skillman Campground, White Cloud Campground

Scotts Flat Lake Campground (http://www NULL.scottsflatlake

The Outside Inn, Nevada City, CA (http://www NULL.outsideinn

More options in Grass Valley (http://www NULL.grassvalleychamber NULL.aspx)

More options in Nevada City (http://www NULL.nevadacitychamber NULL.cfm)


Nearby recreation:

For excellent swimming, head just pass the town of Washington for public access to the South Yuba River.



Our Wonderful Sponsors!