Welcome to the Quad Rock 50 and 25 mile trail races, an event put on by trail runners for trail runners. We aspire to not only offer a first class trail racing experience on a challenging, scenic and impeccably marked course, but also a top-notch post-race experience that will leave your bellies full and the stories flowing.
Quad Rock is currently at capacity, and we are taking applications for the waitlist. In past years we have been able to accommodate all wait-listed runners up to a total of View the waitlist.
Course & aid stations
Your credit card will not be charged until you accept. Your fellow runners in line appreciate your prompt response. If you are not able to race, we will be able to offer a race transfer credit that can be applied to any future Gnar Runners race valid for 12 months. Credit deadlines are as follows:. Registered runners may also switch between races.
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Runners in the 25 mile race can pay the additional registration to upgrade to the 50 mile race. There is no charge for 50 mile runners to drop to the 25 mile race.
Otherwise all 50 mile entrants will be expected to start with the 50 mile race at am. To request a transfer credit please. With the exception of waitlist transfers, entries are non-refundable and non-transferable. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits. The 50 mile course will have approximately 11,ft of vertical gain. The 25 mile course will have approximately 5,ft of vertical gain. The first 25 mile loop for both distances will run clockwise from Soldier Canyon.
for a larger map. With the exception of the Arthur's Aid at mile On hot days we may have an additional water drop on the access road behind Arthur's Rock at about mile 21 on the first loop and mile 29 on the second loop.
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Please plan on carrying enough water from Arthur's or from the Finish area to get up and over the 7. All runners are required to carry their own water bottle or hydration pack. VFuel gel will be provided in bulk containers so please bring your own flask to fill at aid stations. This is a challenging course so some runners may find it difficult to meet these cut-off times. Any 50 mile runner who drops out or fails to meet the course cut-offs after completing the first 25 mile loop will be given a finish time in the 25 mile race, but will not be eligible for 25 mile overall or age group awards.
If you have any specific personal needs, drop bags will be allowed at the Horsetooth Trailhead Mile Horsetooth Drop Bags must be dropped off at the start by 5am on race morning. We will not have a second transport shuttle for the later 25M start.
Please keep your drop bag to a reasonable size small duffel bag or stuff sack. They should be clearly labeled with your name and bib. Please do not leave any valuable items in your drop bags - volunteers are not responsible for lost items.
Drop bags will not be returned to the start until the Horsetooth Aid Station shuts down and packs up at the end of the day after 5p. If you finish early and need your drop bag before heading home, you are welcome to drive around to the Horsetooth trailhead about 30 minutes to pick up your drop bag. Unclaimed bags will be left in a lost and found box at Altitude Running for two weeks before being donated.
The course will be well marked with pink flagging and pink pin flags.
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Important intersections will be supplemented with flour ground markings and directional arrows. On longer stretches of trail without intersections, confidence flagging will be placed approximately every quarter mile. Turns will be marked heavily. Permanent park restrooms are available at the Soldier Canyon, Arthur's, and Horsetooth trailhe. Runners will receive one pass into Lory State Park for the race.
Carpooling is highly recommended to save on park fees and limit traffic and parking congestion at the trailhe — especially the Horsetooth trailhead, which is likely to be packed with regular park visitors.
All trails are open to the public, so family and friends are allowed to run, hike, or bike on the course; however, pacing or crewing outside deated aid stations is not allowed and will result in the disqualification of your runner. After 4. Make a right on County Road 38E and follow the road around the south side of the Reservoir for 4. The Horsetooth Mountain Park trailhead is about a mile past the Canyon Bar and Grill at the crest of the hill, on the right.
The race will start in the parking lot of the Soldier Canyon Picnic Area. Runners will follow the road out of the trailhead and head south on the Lodgepole Drive loop where runner vehicles are parked and will continue two miles down the main park road to the Arthur's trailhead. Take the first left into the Arthur's horse trailer parking lot to access the east side of the South Valley loop trail and run another mile.
Immediately after crossing the Horsetooth Mountain Park border, turn right onto the Sawmill connector trail and continue up Sawmill to the Stout Trail.
From the Towers aid station, turn left onto the Spring Creek Trail. Take the Spring Creek Trail all the way down to a three-way intersection after about 1. Stay straight to connect with the Horsetooth Falls Trail after half a mile and follow it another mile to the Rock Mountain Park Trailhead and race aid station.
Follow it north to Towers Rd. Take a right on Towers Rd and the aid station will be Collins around the corner. Midway down Mill Creek, take a left at the Loggers T-junction. Take a right on Howard and follow it towards Arthur's Rock. The first part of the Fort Trail is a 4WD road. Follow Timber all the way to the trailhead. From the last stop at Arthur's Trailhead, runners will stay on the East Valley Trail not the park road all the way to the finish at Soldier Canyon. Race rules are deed to provide a safe and fair experience for everyone involved and to help ensure our ability dating produce the race again next year.
Major rule infractions by racers will result in immediate disqualification of the racer. Please do not argue with or harass our volunteers. Please direct any questions and feedback to us here. Parking for 50 mile runners will be available at Lory State Park beginning at am and for 25 mile runners beginning at am. All vehicles containing registered runners will receive a park pass - good for one vehicle - as part of their entry fee. All other vehicles will be directed to park in the Timber trailhead lot and on the east side of the Lodgepole Drive spur road.
Lodgepole Drive will be restricted to one-way traffic from south to north.
Vehicles will enter on the south end of Lodgepole Drive and will fill in the first available space on the right side of the road. Vehicles will exit on the north end of Lodgepole Drive. Late arrivals may have up to 1 mile or longer to walk to the start. Powered by Photocrati.
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