Castle Rock Trail Festival

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Come run Castle Rock’s best trail race at the beautiful Phillip S Miller Park! The event will offer six races: a 50k ultramarathon, a marathon, a half marathon, a 10K, a 5K and a family adventure race. The event will highlight the soft surface trails that are a part of the town’s largest ever park project. The race will begin near Castle Rock’s state-of-the-art Miller Athletic Complex, a beautiful $30 million venue. The race course will showcase the trails in Phillip S Miller Park and the adjacent Ridgeline Open Space. Don’t forget to take in the impressive views of the surrounding buttes and the scenic views of Castle Rock as the trail twists and winds over the flowing race course. If you have any energy left after your race, you can climb Challenge Hill, a 200-step staircase on the hillside near the finish line.
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Where and when
1375 W Plum Creek Pkwy, Castle Rock, CO 80109, USA
Start times
Sat, Oct 5, 2019
Half Marathon:
Family Adventure Race:
Races summary
Here's what races are available for Castle Rock Trail Festival
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Route information
Family Adventure Run Obstacle Descriptions
  1. P.S. Miller Challenge Hill – 200 steps to the top of the ridge. A daunting task but you’ll love the views.
  2. Bubble Trouble – Nothing more satisfying than a spare bit of bubble wrap right? Crawl to the end and see how many you can squash on the way.
  3. Walk the plank – How’s your balance? Step up and make it to the end without falling!
  4. Mom, I’m TIREd – Knees up and one foot in each circle.
  5. Basic Training – Crawl under the flags, and thank your lucky stars it’s not real basic training or those flags would be barbed wire!
  6. SeeSaw – A ‘stay on your feet’ take on a classic playground toy. Extra points if you manage all 3 without falling off.
  7. Through The Rabbit Hole – Just like Alice.
  8. The Wall – Up and over, watch your footholds.
  9. Hurdles – Over is the preferred method but under works just as good.
  10. String Maze – OK, James Bond, see if you can make it to the end without touching a string.
  11. The Ladder – Just like The Wall……Up one side and down the other.
  12. HAY there! – It’s just not October without climbing a hay stack.
  13. Inflatable Obstacle Course – Test your speed against others in your group or just try to make it to the end on your feet.
Organizer route images
What's included
How to get there
1375 W Plum Creek Pkwy, Castle Rock, CO 80109, USA
Get full directionsExternalLink
Overflow Parking:
Event day logistics
Avoid The Rush!
Pre-race Packet Pickup and Registration
Thursday and Friday, October 3 & 4

11:00 AM to 7:00 PM
Race Day Packet Pick-up
You can also pick up your race packet on race morning before the race. Race day packet pick-up closes at the start of the last race.
Drop Bags:
We will have a 10’x10′ tent with a tarp on the ground under it at the start of the second loop of the 50K. This is located right near the start/finish line. You are more than welcome to take a bag to this location and leave it for the duration of the race.
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Colorado Runner Events
Colorado Runner Events is an event management company serving metro Denver. Whether you are a walker, beginner, weekend warrior, or an elite, we have races to help you perform your best. We currently produce multiple events with more than 10,000 participants annually. Our passion for running is transparent with each race that we produce. We aim to provide a unique experience in an unforgettable setting all while providing a great value to our participants. Come experience the Colorado Runner difference.
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Spectator Info
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