R3-California Dirt MTB Series, Scott's Flat Lake MTB ST/XC
Nevada City, CA
Sat, Oct 3, 2026
In 3 days · Sat, Oct 3, 2026
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Saturday, October 3rd, 2026
23333 Scotts Flat Rd, Nevada City CA
50–75°F · low rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
42–56°F
rain
2024
63–90°F
dry
2023
44–69°F
dry
2022
48–79°F
dry
2021
49–81°F
dry
2020
57–90°F
dry
2019
37–63°F
dry
2018
52–65°F
rain
2017
42–65°F
dry
2016
40–48°F
dry
Best months to race in California →
Race-day forecast · Saturday, Oct 3
Cloudy · 65–91°F
Saturday, Oct 3starts near 65°F · 0% chance of rain · wind up to 9 mph
About this race
Welcome to CA Dirt MTB Series, Race 3 - Scotts Flat Lake
Complete California DIRT MTB Series at CaliforniaDirtMTB
(Venue Map, Start Times, Series Tech Guide and Series Overall Points)
Registration Details
BikeReg Registration Opens 9/18/26, 9pm … Closes-10/02/26, 7am
Location: Scotts Flat Lake CG, 23333 Scotts Flat Rd., Nevada City, CA (25 min. drive from Nevada City)
Note: Additional $10 - Race Day Walk-Up Registration or Race Plate Replacement
Race Day Information
- Applicable Rules: USA Cycling rulebook and Safe Sport Program applies to California Dirt MTB Series.
- Arrival: On race day, arrive 10-15 min. before your Wave/Cat # for pre-race announcements.
- Pre-Ride Check-In: 10/02/26 Fri. 3pm-5pm Check-In: 10/03/26 Sat. STXC 2pm Check-In/Pre-Ride.
- Race Start: 4pm STXC Starts, 20 minutes (No Pre-riding when STXC starts at 4pm).
Race Categories and Schedule
- XC Details: 10/04/26 Sun. XC is ~3.1 mile / 425' elev./lap.
- Wave Start Times:
- 8am Wave 1 for Cat 3, 2 laps
- 9am Wave 2 for Cat 2/Clydesdales, 4 laps
- 11am Wave 3 for PRO/Cat 1/Single Speed, 5 laps
- Results Contest Period: 10 minutes, for issues speak to the USA Cycling official.
- Awards: STXC Awards - Medals: XC Awards - Medals, Pro Purse, Dr. Sarah's Pies, Wine.
Additional Information and Reminders
- Registration Requirements: BikeReg registration, USAC 1 day or annual license, and waiver required.
- Jersey Series Winners: Completing 3 races and annual USAC license holder.
- Race Day Registration: CASH ONLY. Additional $10 for On-Site Race Day registration.
- Packing Note: Pack-It-In and Pack-It-Out (please take your trash home).
Food and Amenities
No meals served on Saturday: lunch starts at 11am on Sunday with a taqueria style taco bar!
Follow Us
Stay updated with race week announcements on Facebook and Instagram.
Refund Policy
Refunds may apply toward another 2026 or 2027 race registration, or donation for YBONC Programs. Forward the racer's BikeReg confirmation email for a registration coupon code.
Contact
If interested in volunteering, log into BikeReg for R3 and scroll to Volunteer Sign Ups.
For any inquiries, contact the USA Cycling/NCNCA Official: Matt Martinez.
Race URL
For race details, visit: R3-California Dirt MTB Series
Thank You!
Thank you and safe travels everyone!
The CA Dirt MTB Staff
Course map
Train with a club
Run clubs near Nevada City to train with before race day.
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