Registration

Silverton Ultra Dirty Registration

QUALIFYING REQUIREMENTS

All 100M, 100K, and 60K racers must qualify for this race.  Please see the QUALIFYING REQUIREMENTS PAGE for details.

GPS TRACKING

All 100M, 100K, and 60K racers must carry a GEN3 or InReach GPS tracker for the race duration (cell phones or watch GPS's will not work and are not acceptable.).  The San Juan County Sheriff requires GPS Tracking as a safety measure. If you own one of these GPS trackers, you may register yourself and your tracker's number on the MAProgress registration page. If you do not own a GPS tracker, you may rent one from MAProgress for $49. All racers must register for tracking within 24 hours after you register for this race at MAProgress.com. ( If you are planning on purchasing a tracker, you are granted a grace period to get this done).  If you rent a tracker, you will pick it up at packet pick up and return it at the finish line. Once you have registered your tracker make sure it shows up on the Silverton Ultra Dirty course map on MAProgress's upcoming events.

100M, 100K, and 60K  Registration Includes:

  • A top-notch mountain ultra-marathon running experience
  • A 98% single-track trail course either a single loop (100K & 60K) or a point-to-point (100M) in the high, remote, and the spectacular San Juan Mountains.
  • An abundance of experienced, knowledgeable, attentive volunteers, including medical and communications staff
  • 13, 6, or 4 well-stocked and well-supported aid stations, including four remote aid stations.
  • Top-quality, men's and women's specific race shirts.
  • High-quality finisher medal that doubles as a coaster
  • 100-Mile Finishers are awarded a stunning hand made belt buckle
  • Awards ceremony
  • MAProgress tracking service. Your race fee covers the cost of your tracker showing up on the MAProgress live tracking map, not the cost to rent a tracker).
  • Pacer support.
  • Silverton Ultra Dirty 60K 2021 - 3 pts
  • Silverton Ultra Dirty 100K 2021 - 4 pts
  • Silverton Ultra Dirty  100M 2021 - 6 pts

Trail Work - REQUIRED

We feel it is essential all ultra runners commit time to help improve and sustain the trails we enjoy. All Silverton Ultra Dirty participants are REQUIRED  to complete 8 hours of volunteer trail work. You may sign up for our trail work projects or you may join an organized trail work project in your area. If you cannot complete 8-hours of volunteer trail work, instead you may donate $100 to the Colorado Trail Foundation. Check out our TRAIL WORK Page for details on our trail work days in Silverton and Golden Gate Canyon State Park, CO.  Trail Work Qualification Requirements

Registration Policies

REFUNDS — NO REFUNDS.

  • REPEAT - NO REFUNDS. According to the schedule below, you may defer your entry to the following year only. Please mark your calendar with these deadlines:
  • Until Feb. 28th - 100% Deferral
  • Mar. 1 - June 30 - 50% Deferral
  • July 1 - Race Day - 0% Deferral
  • PREGNANCY DEFERRAL — Women who become pregnant between registration and race day may defer 100% of their entry fee to the following year. You must notify the Race Director by July 1 to cancel and postpone your registration. Include a photo of your ultrasound with your name and date
  • NO BIB TRANSFERS — Entrants may not transfer their entry/bib to another runner under any circumstances. We will disqualify anyone found using another runner's bib.
  • TRANSFER TO A DIFFERENT SUD RACE DISTANCE — You may switch distances at the Silverton Ultra Dirty without paying a race transfer fee. If you transfer up in distance you will need to pay the entry fee difference.  There is no refund if you transfer down in distance.  You may switch race distance up to the day before your race. In order to get a bib with your name on it, you will need to switch by July 1st. Email the Race Director with your request.
  • TRANSFER TO ANOTHER DIRTY 30 RACE — If there are spots available, we encourage you to transfer your entry to another Dirty 30 Trail Race Series Race.  This option allows you to apply your entire entry fee, plus a $25 transfer fee to the race of your choice.  If the race is full, you will need to get on the waitlist to transfer. If you transfer up in distance you will need to pay the entry fee difference.  There is no refund if you transfer down in distance.  Email the Race Director with your request.
  • RACE CANCELLATION — Runner safety is our priority. The Race Director and Race officials reserve the right to cancel or alter the race due to conditions outside our control, such as weather, fires, pandemics, or other acts of nature.  We will defer a portion of the entry fee to the following year's race based on when the race is canceled.  If the Dirty 30 must cancel the race within 30 days of the race, there are no guarantees of an entry fee deferral; we spend most of the funds from entry fees at this point.
  • WAITLIST — Once the race fills, the waitlist will open. Go to Ultra Sign Up and sign up for your race waitlist (100M, 100K, or 60K).  You will be required to enter your credit card info but will not be charged until you are entered into the race. Once a spot opens up on the waitlist you will automatically be entered into the race and your credit card will be charged at that time. Do not enter your name on the waitlist unless you are certain you want to race.
  • Important: We will send you critical emails. Please use an email address you check regularly and be sure to add megan@dirty30.org to your contacts to avoid these emails being sent to your spam folder. 

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