Welcome to the 29th Annual Subaru Elephant Rock

Screenshot 2016-03-09 16.15.45

Thank you for joining us for the 29th annual pilgrimage to Castle Rock for the unofficial start to the Colorado cycling season. Here is everything you need to know about the event. If you have any questions, please do not hesitate to contact us.

Start / Parking / Finish / Party Location

The 29th Annual Subaru Elephant Rock Cycling Festival start, finish and party will take place at the Douglas County Fair Grounds just 1/2 mile south east of downtown Castle Rock. Castle Rock is a small, picturesque town nestled in the rolling hills 20 miles south of Denver, just off of Interstate 25.

Please CAR POOL or allow extra time when coming to the Subaru Elephant Rock. There is plenty of parking in downtown Castle Rock and at the Douglas County Event Center.

Click Here to View Our Detailed Parking Map 


Packet Pick Up / Registration Information

Cyclists that registered by May 17, can pick up their 2016 Subaru Elephant Rock T-shirt, and bike number at participating retail shops from May 24 through June 1 (by 5pm). When you register please remember your bike shop! There is NO walk in registration. Click here for all bike shop locations.

If you choose to pick up your packet at the Douglas County Fairgrounds ride weekend, you can pick up your packet and merchandise at the following times:

Saturday June 4, from 4-8pm
Sunday June 5, starting at 5:30am

720x90_Get the Gear


Merchandise Pre-Orders & Extra Items

If you ordered any merchandise or extra items with your registration it will be available at the event at the following times:

Saturday, June 4 from 4-8pm at Registration
Sunday, June 5 from 5:30am to 4pm at Registration or at our Merchandise tent in the expo


Merchandise for Sale

If you want to purchase any items they will be available for sale at the event

Weekend Activites


7:30am to 6:30pm – Subaru ERock Sunrise-Sunset @ Philip Miller Park
4-8p.m. – Camping Check-In
4-8p.m. – Registration & Packet Pick Up @ Douglas County Fairgrounds


5:30 a.m. – Registration & Packet Pick Up (Douglas County Farigrounds)
5:30 – 7:30 a.m. – 100 Mile Start
6:00 – 8:00 a.m. – 62 Mile Start
8:00 – 9:00 a.m. – 40 & 27 Mile Start
8:30 to 9:30 a.m. – 8 Mile Family Start
10:00 a.m to 5 p.m. – Party At the Rock
5:00 p.m. – All Courses Close

Party at the Rock

Party at the Rock / Subaru ERock Cycling Expo

The Party at the Rock is free to all Subaru Elephant Rock participants. There will be live music at the stage from 11:30 a.m. to 2:30 p.m. with Denver’s own The Outliers. The Subaru ERock Expo will take place at the finish/party area at the Fair Grounds from 10 a.m. to 4 p.m. Check out what’s new in the world of cycling! Participants lunches are included in your registration. Tickets to the Italian Festa will also be available at the Events Center for friends and family for $10.

  • Subaru of America
  • BikeSource
  • Specialized Bicycles
  • Icon Eyecare
  • Rudy Project
  • Save Our Soles Socks
  • Avery Brewing Company
  • Clif Bar

  • Nuun Hydration
  • Venus de Miles
  • Denver Century Ride
  • Bike MS
  • Spindaroos – Kids Jerseys
  • Colorado Love Clothing

  • Orange Theory Fitness
  • Compel
  • Cinch Cycling Camps, by Tom Danielson
  • And much more!

Course Information

Course Updates
*ROAD CONDITIONS* As a friendly reminder with all the rain, please ride safe on all the turns, some roads have gravel from the weather.  

*ATTENTION CENTURY RIDERS* New this year, there is a 40mile bail out at the 40 mile cut off.  If you are feeling not up to par and feel that you can’t make the full 100, there is a 40 mile bail out option.  

*SAG SUPPORT* Sag wagons will drive the course and be available to assistance riders experiencing mechanical trouble or those who become too fatigued to finish. Please be prepared to handle your own flats and minor repairs.

Start Times

We recommend the following start times so that you make it back from your ride with plenty of time to kick back at the Party at the Rock post-ride Italian Festa and Expo:

  • 100-milers (road) 5:30 to 7:00 a.m.
  • 62-milers (road) 6:00 to 8:00 a.m.
  • 40-milers (road) 8:00 to 9:00 a.m.
  • 27-milers (fat-tire) 8:00 to 9:00 a.m.
  • 8-milers (family) 8:30 to 9:30 a.m.

Cyclists riding the 100 and 62 mile courses must start no later than 8 a.m. Bicycle trailers are not allowed on the 62 & 100 mile course

Aid Stations

There will be plenty of energy replacing snacks, water, Clif products and Nuun hydration drink at each of the aid stations positioned every 12 to 18 miles throughout each of the courses. It’s always a good idea to carry a energy bar, gel, etc… with you in case you need a boost in between aid stations.

Course Caps

The Subaru Elephant Rock will enforce a cap on each individual course rather than an overall participant cap. For the 2014 ride, the course caps will be as follows:

62 & 100 mile road course – 4,500 riders
40 mile road course – 1,500 rider
27 mile gravel course – 1,000 riders
8 mile family course – 750 riders

It is likely that there will be room for all interested riders to register for any of the courses, even those who wish to register the day of the ride.

Rider Numbers

Your super cool rider number sheet will be available when you pick up your packet during packet pick up or at the event. The numbers will be customized with your name and number on your wrist band, bike number and helmet number. Please follow the detailed assembly instructions on the rider number sheet.

You must wear your event wrist band at all times! Your wrist band will give you access to the course and refreshments at the aid stations as well as act as your ticket to the lunch. The detachable tag on your wrist band will act as your drawing ticket. To be entered into the prize drawings, place the tag from your wrist band into the drawing buckets on the stage when you finish your ride.

  • Your helmet number must be attached to the front of your helmet.
  • Your bike number must be attached to the top tube of your bike.
  • The rider numbers are color coded. Participants riding the 62 & 100 mile courses must display one color to gain access to the course. Another color rider numbers must be displayed by participants on the 40, 27 and 8 mile courses. Colors have not yet been determined but will be by May 1.
  • The Colorado State Patrol has the authority to remove anyone without a bike number from the course.

Rider Safety

Riding safely and considerately is vital to the safety and enjoyment for all riders. Colorado is a fantastic place to ride bikes. However, bicyclists are held to the same traffic laws as motorized vehicles.  The future of cycling events in Colorado depends on your cooperation in following safe cycling practices.

• Obey all traffic signs and signals.
• Yield to traffic with the right of way.
• Ride single file except to pass when possible.
• Ride safely to the right side of the road.
• Do not ride recklessly or in a manner that endangers others.

Since long stretches of the ride take place on open roadways, it is imperative that participants obey all laws for their safety and the safety of others. The Subaru Elephant Rock fully supports the law enforcement on this matter. We rely on these law enforcement agencies to manage public safety during this logistically complex event. We owe them the consideration of riding within the law. Be aware that cyclists are subject to the same tickets and fines as vehicle drivers. Law enforcement has the authority and mandate to uphold traffic laws during this event. This includes traffic tickets and removal of riders from the courses if necessary.

For your safety, helmets are required!  Riders will not be permitted to start the ride without a helmet.

Community & other info

Post Ride Messages

You’ve ridden hard, and you deserve to feel great after your ride! The Subaru Elephant Rock is happy to announce that we will have a new sports massage concession this year to help work out those sore muscles post-ride. The rocky mountain west’s largest sports massage company, The Sports Massage Team, LLC, will be at the finish line with at least 15 sports massage therapists who will be there and ready to work on you. The team will be offering sessions in 15 minutes increments to take care of those leg muscles that just finished working so hard. If 15 minutes just isn’t enough, they can string together as many of those 15-minute sessions to work your sore muscles the way they need to be worked! Their goal is to get you in promptly and provide the best sports massage available!

15-Minute $20          The Sports Massage Team accepts:
30-Minute $40          Cash, Visa, MC, AmEx, and Discover
45-Minute $60
60 Minute $80

Photo Contest 

Hey 2016 ERockers, join us this year and be apart of our 2016 photo contest.  Take photos out on your ride and post it.  We will pick winners for some great Schwag!  Use ANY the hastages #ERockRide, #MyERockRide, #ERockRide2016.  Deadline is June 10th at Midnight.  Have fun!

Bike Check

The Douglas County D.A.R.E. program will oversee the bike check area at the finish/party area. There will be a $3 charge for the bike check.

Food and Lodging Options

Discover Castle Rock, CO

With a reputation for small town hospitality, this charming community has received recognition by numerous national publications as one of the best towns to live, work and play. Experience everything from designer boutiques and one-of-a-kind restaurants in the historic downtown to the Outlets at Castle Rock, a destination outlet mall with over 300 shops, restaurants and banquet rooms. Whether you are shopping, dining, recreating or indulging in one of the popular day spas, you are sure to have a memorable experience.

Click Here for more information on visiting Castle Rock