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Come run Castle Rock’s newest trail race at the beautiful Phillip S Miller Park! The event will offer five races: a 50k ultramarathon, a marathon, a half marathon, a 10K, a 5K and a family adventure race. The event will highlight the freshly cut, 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 newly constructed trails in Phillip S Miller Park and the single and double track trails at 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.

Ridgeline Trail 50K
$80 through June 30
$85 July 1 – September 30
$90 after September 30
$95 race day
Ridgeline Trail Marathon
$80 through June 30
$85 July 1 – September 30
$90 after September 30
$95 race day
Ridgeline Trail Half Marathon
$50 through June 30
$55 July 1 – September 30
$60 after September 30
$65 race day
Ridgeline Trail 10K
$30 through June 30
$35 July 1 – September 30
$40 after September 30
$45 race day
LiveBIG 5K
$20 through June 30
$25 July 1 – September 30
$30 after September 30
$35 race day
LiveBIG Family Adventure Race
$35 for a family of four (does not include shirts)
$5 for each additional family member
$5 per shirt
$45 race day for a family of four

Features for the Ridgeline Trail Races and the LiveBIG 5K

  1. All participants in the trail races will receive a custom technical shirt in gender specific sizing. Shirts for the adventure run are $5/shirt
  2. All finishers will get a custom made finisher medal
  3. Music at the start/finish will create a party-like atmosphere
  4. Professional chip timing with a disposable bib chip
  5. Free professional photo downloads after the event, sponsored by Sporthill
  6. Indulge in cookies, muffins, oranges, bananas, and bagels with pizza (starting at 10:30 AM) at the post race party
  7. Runners and walkers welcome
  8. Gift certificate awards from RNK Running in Parker
  9. Fully supported course with up to 11 aid stations in the 50K
  10. Live band on the stage starting at 11:00 AM

The Family Adventure Run is an untimed family event and does not include the above features.

Location
The race is staged from Philip Miller Park in Castle Rock, CO. PS Miller Park is located at 1375 W Plum Creek Pkwy, Castle Rock, CO 80109. For a detailed map, please click here.

Race Day Registration, Packet Pickup and Event Timeline
7:00 AM – Packet pickup and registration begins at race site
8:00 AM – 50K and Marathon race start
8:30 AM – Half Marathon race start
9:00 AM – 10K race start
9:30 AM – 5K start
10:00 AM – Adventure Run start
11:00 AM – Live concert from John Adams: A tribute to John Denver
4:00 PM – Finish line closes

General Questions
For more information, please follow the links at the top or bottom of the page, or check out our FAQ page.

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Spillman, Olsen-Smith Win 2016 Ridgeline 50K; Kaye, Hunt Win Half Marathon; Palmer, Cook Win 12K

The inaugural Ridgeline Trail Race welcomed hundreds of participants to Philip S. Miller Park in Castle Rock on Sunday. The event featured three different race distances: a 50K, half marathon and 12K. Each course took place on the challenging but fun single and double track trails in the park and within the adjacent Ridgeline Open […]

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