2025 Dirty Dozen
February 8 @ 9:00 am
2025 Dirty Dozen Mountain Bike Race
Visit the new Bluff Creek Ranch website for more information about the property!
The Dirty Dozen is a 6 or 12-hr mountain bike race for solo riders and relay teams on a 8.5+ mile single-track course. Riders try to log as many laps as possible, with only one member riding at a time.
For 12-hr racers, lights are required on the course during evening hours. You can find more rules on our FAQs page.
BE PREPARED WITH CASH!
(Ranch has no way to process credit cards)
There is a $10/day use fee or a $15/night camp fee for everyone attending (including spectators) at the gate.
- If you plan on arriving Friday, the fee will be $15/person if you are camping Friday night and racing Saturday.
- If you plan on arriving Saturday morning, the fee will be $10/person if you are not camping. It will be $15/person if you are camping Saturday night.
PRICING
| Early Bird Registration: Ends January 1, 2025 |
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| 12-Hour Solo | $85 |
| 12-Hour Team | $75 per person |
| 6-Hour Solo | $65 |
| 6-Hour Team | $55 per person |
| Regular Registration: Ends February 3, 2025 |
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| 12-Hour Solo | $100 |
| 12-Hour Team | $90 per person |
| 6-Hour Solo | $80 |
| 6-Hour Team | $70 per person |
| Late Registration | |
| 12-Hour Solo | $110 |
| 12-Hour Team | $100 per person |
| 6-Hour Solo | $90 |
| 6-Hour Team | $80 per person |
*All 21 and under racers receive a $20 entry discount (see race pricing above)!
***If you are a veteran or first responder, contact us for a special “Your Community Thanks You” discount voucher!
SCHEDULE
| Packet Pick-Up | Friday 5:00pm-6:00pm Saturday 7:00am-8:20am |
| Mandatory Pre-Race Meeting |
Saturday 8:30am |
| Race Start | 12-Hour 9:00am 6-Hour 9:05am |
| Race Finish | 6-Hour 3:05pm 12-Hour 9:00pm |
| Race Awards | 6-Hour 3:30pm 12-Hour 9:30pm |
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Female |
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Co-ed |
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Terra Firma Racing reserves the right to consolidate or eliminate categories for lack of participant registration. This is to ensure a competitive field.
- 1st Place Solo Trophies & 1st-3rd Podium Medals
- 1st Place Team Trophies & 1st-3rd Podium Medals to each teammate
- 12-hr Overall Fastest Lap (Male or Female)
- Fastest Hill Climb (New!)
- 1st Place 12 Hour Solo Grand Poobah (60+ Male or Female)
- 1st-3rd Place 12 Hour Solo Single Speed Male/Female
- 1st Place 6 Hour Solo Single Speed Male/Female
- Terra Firma Racing swag bag*
- Personalized bib*
- Custom race shirt**
- “Epic” Medals for those riding 15+ laps each (approx. 96 miles)*For Early Bird registrants
**Guaranteed size availability for Early Bird registrants
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