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Date: Saturday, August 30, 2014
Time: 9:00 a.m.
Events: Half Marathon - Very Challenging
10 Km - Challenging
5 Km (9:10 a.m.) - Easy
3/26 - We regret to announce that this event has been cancelled. All registered runners will be notified via email.

For upcoming events, please refer to the Events Calendar.
  • Race Infomation
  • Registration
  • Race Day
  • Course Information
  • Results & Records
  • Photos & Reports
Location
Castle Rock Regional Park. 1700 Castle Rock Road, Walnut Creek, CA 94598.
Driving Directions
Course
Join us at Castle Rock Regional Park heading into Mt Diablo State Park and back for a scenic and fun run. (Special Note: The 10Km and Half Marathon courses are challenging and not typical of Zoom events.)
Weather
Lodging
Bib & Shirt Pick-Up
Starting at 8:00 a.m. at the Castle Rock Regional Park.

Time Limit
There is a 4-hour time limit for all distances.
Aid Stations
Fully-stocked aid stations every 3 - 6 miles. You can expect fresh fruit, salty snacks, assorted candy, water, and Clif Shot Electrolyte sports drink. It is highly recommended that runners carry at least 20 oz. of water between aid stations.
Awards
Hi-tech shirts will be given to all pre-registered runners. Award medals are given to the 1st female and male finishers overall and top three finishers in each age group. All finishers will receive a custom medal.
Online RegistrationMail Registration
(Pre-registration through 5 p.m. Thursday, August 28th)
Entry Fees
(Add $10 after 8/16/14. Add $15 at check-in if not sold out.)
Hi-Tech shirt included!
  • 5 Km - $35
  • 10 Km - $40
  • Half Marathon - $45
  • Find out more about our Shirt Options.
    You might qualify for a Zoom discount, click to learn more.
    If you would like to make amendments* to your registration, please Contact Us as soon as possible.
    *Cancellation Policy
    Directions
    The Castle Rock Run will be held at 9:00 a.m. (9:10 a.m. - 5 Km) on Saturday, August 30th at Castle Rock Regional Park. Parking is availabe at the Orchard lot about 0.5mi from the start.
    Click on the blue icon for driving directions:

    View Zoom Castle Rock in a larger map
    Weather: Walnut Creek
    Course
    The course will be marked with flagging approximately every 200 yards and color coded as follows:
    • 5 Km – Yellow
    • 10 Km – Orange
    • Half Marathon – Pink
    The most important course marking is the polka-dot flagging. It indicates a turn at an intersection. There will be at least two polka-dot flagging before a turn in the course. The polka-dot flagging will be placed before and on the same side as the required turn. As you approach an intersection, look for any polka-dot flagging before the turn. Waiting until you're in the intersection to determine the correct direction may be confusing and you may go the wrong way. After you complete the turn, there will be yellow, orange, pink flagging indicating the correct route.
    If you don't see your respective flagging for 3-4 minutes, you are off course. If you get off course, you should retrace your path until you find where you left the course and then continue along the marked course.
    Please be courteous on the trail. If you're passing another runner or hiker, announce "on your left" as you approach.
    Headphones are allowed along the course. Please do not wear headphones while crossing paved roads, when getting aid at aid stations, or while crossing the finish line.
    Your bib number indicates the distance that you're running. If you want to change your distance, please send us an e-mail or let us know by check-in, at the latest.
    No dogs allowed on the course. Please don't leave pets in your vehicle.
    Aid Stations
    Fully-stocked aid stations every 3 - 6 miles. You can expect fresh fruit, salty snacks, assorted candy, water, and Clif Shot Electrolyte sports drink. If you would like to be sure that you have any other specific item at the event, you should carry it with you.
     
    Distance (mi)
    Next Aid (mi)
    5 Km
    1. Castle Rock
    3.1
     
     
    10 Km
    1. Macedo Ranch
    2.6
    3.7
    2. Castle Rock
    6.3
     
     
    Half Marathon
    1. Macedo Ranch
    2.6
    4.5
    2. Rock City
    7.1
    5.9
    3. Castle Rock
    13.0
     
    Post-Run Activities
    There will be post-run snacks at the finish line.
    Hi-tech shirts will be given to all pre-registered runners. Award medals are given to the 1st female and male finishers overall and top three finishers in each age group. All finishers will receive a custom medal.
    Message Board
    The Message Board is for information about Coastal & Zoom events. Please post messages regarding places to eat or stay, sharing rides with fellow runners, etc. Go to Message Board (opens in a new window).
    Check In
    Please arrive 30 min before your event to receive your bib number.
     
    Zoom Running Events
    events@ZoomRunningEvents.com
    Course Surface
    Course Map
    Course Description
    Course Surface (Elevation changes determined using an Avocet altimeter.) Top of Page
    Distance Elevation Gain Single Track Dirt Road Asphalt
    5 Km 180' 0% 100% 0%
    10 Km 930' 13% 87% 0%
    Half Marathon 2,740' 16% 79% 5%
    Course Map (click on image for a bigger map.) Top of Page
    Course Description Top of Page
    Direction Course Color Distance (mile) Aid Station (mile)
    Segment Cummulative Location Next
                 
    5 Km
      Start: Castle Tree Picnic Area          
    Go South Stage Road Yellow
    1.6
    1.6
    3.1
    Turnaround Stage Road Yellow
    1.6
    3.1
        Miles
    3.1
    3.1
        Kilometers
    5.0
                 
    10 Km
      Start: Castle Tree Picnic Area          
    Go SOUTH Stage Road Orange
    1.1
    1.1
    2.6
    Turn RIGHT Little Yosemite Trail Orange
    0.9
    2.0
    Turn LEFT Briones Mt. Diablo Trail Orange
    0.3
    2.3
    Stay RIGHT Wall Point Rd. Orange
    0.3
    2.6
    Macedo Ranch
    3.7
    Turnaround Wall Point Rd. Orange
    0.8
    3.4
    Veer LEFT Dusty Rd. Orange
    0.5
    3.9
    Turn LEFT Stage Road Orange
    2.4
    6.3
        Miles
    6.3
    6.3
        Kilometers
    10.2
                 
    Half Marathon
      Start: Castle Tree Picnic Area          
    Go SOUTH Stage Road Pink
    1.1
    1.1
    2.6
    Turn RIGHT Little Yosemite Trail Pink
    0.9
    2.0
    Turn LEFT Briones Mt. Diablo Trail Pink
    0.3
    2.3
    Stay RIGHT Wall Point Rd. Pink
    0.3
    2.6
    Macedo Ranch
    4.5
    Turnaround Wall Point Rd. Pink
    3.6
    6.2
    Turn RIGHT Summit Trail Pink
    0.4
    6.7
    Turn RIGHT Campground Rd. Pink
    0.4
    7.1
    Rock City
    5.9
    Go RIGHT S. Gate/Wall Point Rd Pink
    0.3
    7.4
    Turn RIGHT Summit Trail Pink
    0.7
    8.1
    Turn LEFT Wildcat Trail Pink
    0.2
    8.2
    Turn LEFT BBQ Terrace Pink
    1.9
    10.1
    Go STRAIGHT Stage Road Pink
    2.9
    13.0
        Miles
    13.0
    13.0
        Kilometers
    20.9
                 
    Results '12, '13
    Course Records
    5 Km John Butler, 20, Concord, CA ('13) 17:31
      Kylie Tseng, Pleasant Hill, CA ('13) 24:03
    10 Km Jeff Karnitz, 29, Sunnyvale, CA ('13) 44:12
      Kalletta Caldwell, 36, Dublin, CA ('13) 47:40
    Half Marathon Peter Hsia, 52, Sacramento, CA ('12) 1:51:20
      Tori Tyler, 25, Danville, CA ('13) 1:51:47
    2013 Zoom Castle Rock
     
    2012 Zoom Castle Rock Run
    2012 Zoom Castle Rock Run 2012 (by BL)
    Click on picture to view album (opens in new window).
    If you have photos or reports you would like to share, please send us the links via Contact Us.
     
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