While our modern bike wheels may have replaced wooden wagons of days ago, traversing these rugged parts requires the same grit and sense of adventure.  Certainly, this ride promises to be an unforgettable day in the saddle of shared fun, memories, and adversity.  Along the way, well-stocked aid stations and welcoming volunteers create an encouraging atmosphere, guiding you up relentless climbs and down thrilling descents for a truly unforgettable challenge and reward.

Download GPX

Download GPX

Download GPX

Download GPX

• This includes but not limited to:
  • Fellow competitors/riders:  Help, check on and watch out for each other, no matter the circumstance.  Be good to each other.
  • Volunteers:  This event would not happen without them. This might be their first experience with this type of event.  Give them thanks.
  • Law Enforcement:  We’ll have local law enforcement to assist with the event and you might see them at other points on the course.  They are doing us a great service.  Obey the laws.
  • General Public:  You will encounter others (ranchers, hunters, locals, off-roaders, campers, etc.) not associated with or aware of the Chino Grinder.  Share the space.  With this in mind, respect private property.
  • Vendors:  Without a doubt, vendors will be there to add to and enhance the Chino experience.  Enjoy the atmosphere.
  • Land:  Your mother doesn’t work here. Moreover, she sure isn’t going to chase you across the Arizona countryside to pick up after you.  DON’T LITTER.
• Those not able to abide by the above will not be able to participate in future Chino’s and/or be DQ’d for the current edition.  We reserve the right to refuse participation to anyone if we deem your past or present behavior breaks event rules and standards.

• Riders MUST obey all traffic laws.   Therefore, strictly obey any law enforcement persons or official event personnel.  Failure to do so may result in DQ and inability to participate in future events,
• Riders must, at all times, stay right of center line.  Additionally, on dirt roads, riders must stay right of center.
• Pass on the left, only when safe and let yourself be known when doing it (i.e. “ON YOUR LEFT!).

• All participants must wear a CPSC-approved helmet during the entirety of their participation.
• Additionally, all bikes must be equipped with functioning front/rear brakes.
• Pedal Assist ONLY, NO THROTTLE  e-bikes are permitted.  E-bikes are not to interfere with or assist other riders.  Non-e-bike participants CANNOT draft e-bikes—doing so will get both riders DQ’d.
• E-bike Battery swap is allowed for the Full Grind Only at the Pine Flat Aid Station. You can put this in your Drop Bags.
• Finally, aero bars (TT bars) are NOT permitted on the 60, 43, or 20 mile routes.

• No outside support is permitted, by anyone, anywhere on the course.
• No domestiques.  Groups shall be organic.  No rider should be riding for another rider.  Chino is a solo mission.
• Aid Stations are provided for all riders and ‘hand-ups’ will not be offered. In other words, riders must rely on the aid stations for support.
• Drop bag service will be provided for the FULL GRIND only. Bags MUST be dropped off at Registration by 6:15 am the day of the event.  We are not responsible for lost or damaged bags/contents. Bags should be returned by 5:00 pm but may be delayed due to unforeseen circumstances.
• Riders will be DQ’d and banned from future events if a vehicle connected to them travels on the course during the event. Finally, this is a solo event and riders must not receive outside assistance.

• Chino Grinder is not responsible for miss-marked or missing signage. Riders are responsible for their navigation and staying on course.  This is easily accomplished by having either a GPS device with the downloaded route and/or printed cue sheet/directions from official routes posted. If you turn around before your designated turnaround, you have cut the course and MUST report to the timing booth as a DNF (Did Not Finish).  Please turn around if you need to, we want you back safe, but let us know so we’re not out there looking for you.
• Tremonti Cycling and Adventures is back again as the official SAG Wagon for Chino Grinder 2025!  If you are not able to complete your route will we get you back to the finish line but BE PATIENT!  Family/friends can also pick you up at the Transition Aid Station (60-mile turnaround point), however, they CANNOT travel on the course.  The Transition Aid Station can only be accessed via Drake Rd—  Official directions to that point are listed below.  If you DNF you must let a course official know – otherwise we will be looking for you.
• Plan your needs for the day–nutrition, hydration, and bike.  Aid Stations will have basic refueling needs (hydration and nutrition) and mechanical support.  However, if you have specific needs, plan to carry your supplies for the day.  You are responsible for your mechanical needs.  DON’T FORGET SUNSCREEN!
• Plan to have FUN!  It’s going to be a great day, so long as you plan accordingly. 😊

• No bending, folding, cutting or altering number plates. In other words, you must keep your number plate in its original condition. After all, you want your time to be recorded, right?
• Mount plate unobstructed, on the front of the bike.
• Do not wrap around any part of the bike. Otherwise, it may become damaged, fall off, or your time may not be recorded correctly.
• E-bikes will have a red number plates to distinguish them from regular bikes.

This is only for abandoned riders.  If someone meets you here, you have abandoned the race.

We give you directions starting from the intersection of Highway 89 & Drake Rd (the intersection is approximately 10 miles north of Paulden, AZ on State Route 89). However, how you get to that intersection, is up to you.

Distance from the intersection to Transition Aid Station is approximately 10 miles.  The approximate travel time from Chino Grinder Venue is 45 minutes (30 miles). Therefore, you should plan accordingly.

Be aware that different map services can label roads differently.

Do not drive on the course. This is for the safety of all riders.

Start:  Intersection of Highway 89 & Drake Rd./FSR 492

Merge onto Forest Service 492 Rd, 4.5 mi

Continue onto Co Rd 71, 4.0 mi

Continue onto Co Rd 73, 0.6 mi

Proceed onto Fr 492, 0.6 mi

Arrive at intersection of Perkinsville Rd./Transition Aid Station

This is for Duo participants ONLY.  This is the only route Duo participants may travel to get to their transfer spot.

Please do not take FSR354 since that will be part of the course – The course is highlighted in Red in the Picture Below.

From Downtown Williams:

Head Southeast toward S4th St

Turn right onto S 4th St.

Continue onto S Perkinsville Rd – 7.8 miles

Turn left onto Fire Rd 110/E Prairie Edge Rd / White Horse Rd – 2.3 miles

Turn right onto Fire Rd 110 – 1.8 miles

Continue onto Forest Service Rd 147/ Fire Rd 138 – 3.3 miles

Turn right onto Fire Rd 138 – 4 miles

Turn right onto Forest Service Rd 105 – 1.7 miles

Continue onto Fire Rd 354 / Pine Flat Rd.

Click here for Google Map Directions

• 10:00 am:  Camping Area Closes

• NO REFUNDS, NO DEFFERALS.
• IF and ONLY IF the event is sold out, you may transfer your registration to another participant so long as it is at least 2 WEEKS before the event.  Current registration fees will apply + an additional $25 administrative fee.