Diablo Summit Stomp

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Tickets on organiser’s site
About
Discover the beauty of Mount Diablo! Walkers and runners of all abilities are welcome to participate in all four distances. Despite a few hills, these races are perfect for first time trail runners and a favorite among experienced athletes.
Participants
30K, Half Marathon, 10K, and 1 more
View details
Calendar
Sat, Oct 22, 2022
View logistics
LocationPin
Walnut Creek, United States
View location
The event experience
Elevation

5 to 20m elevation gain per km

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Where and when
Location
Castle Rock Rd, Walnut Creek, CA 94598, USA
Start times
Sat, Oct 22, 2022
30K:
8:15am |
Half Marathon:
8:30am |
10K:
9:00am |
5K:
9:15am
Races summary
Here's what races are available for Diablo Summit Stomp
30K
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30km
Half Marathon
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13.1mi
10K
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10km
5K
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5km
Route information
The longer you go, the more you see and experience! Courses are all on dirt trails, heading out from Castle Rock Park in Walnut Creek, heading into Mount Diablo State Park – all the way to the summit for the 30K.
Each course will be marked with colored ribbons, signs, and flour. Runners unfamiliar with the courses should carry a copy of the course map to ensure they stay on course.
Organizer route images
What's included
All runners will receive custom finisher medals and t-shirts. There will be age-group medals for the top finishers in each category.
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How to get there
Castle Rock Rd, Walnut Creek, CA 94598, USA
Get full directionsExternalLink
The start and finish for all race distances will be at Castle Rock Recreation Area in Diablo Foothills in Walnut Creek (1700 Castle Rock Road, Walnut Creek).
Parking will be limited, so please carpool if at all possible! The main lot will be the Orchard Staging Area, just before the park entrance. After that lot is full, overflow parking will be at North Gate High School at 425 Castle Rock Rd, Walnut Creek (shuttles will be provided). There is a short walk (about 1/4 mile) from the park entrance to the start/finish area.
Event day logistics
Raceday Registration:
It is possible that the race is 100% sold out before race day. Updates will be posted on the race website. If you do not see the race noted as sold out here or on the race home page, you will be okay to sign up on race morning, starting at 7:15 a.m. Race day registration is an additional $5 from the final online registration price.
Bib Pick-Up:
Runners have three options for picking up their bibs and shirts:
1. Mail-out service (available for a fee when registering).
2. Your bib and shirt can be picked up at Forward Motion Sports in Danville on Thursday, October 31 (10 am - 7 pm) or Friday, November 1 (10 am - 3 pm).
3. Pick up on race morning (not recommended).
In order to avoid race morning stress and avoid having to arrive even earlier, we strongly recommend choosing options 1 or 2. If you are unable to take advantage of those first two options, race morning pick-up will still be available, but you should aim to arrive 70-90 minutes ahead of your race start to account for lines.
Water Stations:
Water stations will be stocked with water, sports drink, gels, pretzels, candy, etc.
We recommend all 10K, half marathon and 30K runners carry at least 2 bottles or a large hydration pack (or both).
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TIME LIMITS:
Overall:
The 30K will start at 8:15 am and the course will have a time limit of 6.5 hours.
On-Course Cut-Offs – 30K runners must reach the following aid stations by the times listed – 
Aid Station #3 (helipad aid, first visit at approximately mile 9): 11:15
Aid Station #4 (summit aid, approximately mile 12): 12:45
Aid Station #5 (helipad aid, second visit at approximately mile 15): 1:45
30Kers – "Make a deal with El Diablo":
If you are in the 30K and you reach Aid Station #3 (mile 9) any time before 12:30, you will be allowed to "make a deal with El Diablo" and switch to the half marathon mid-race. Those who take the deal will be counted as official finishers of the half marathon, but will not be eligible for any overall or age group awards. Instead of being listed with an age group division, their results will be listed in the "surrender" category.
Half Marathon Cutoffs:
Half marathon runners must reach Aid Station #3 (helipad aid, approximately mile 9) by 12:30. If any half marathon participant arrives at this aid station after 12:30, they will be asked to accept a ride back to the start area.
The half marathon will start at 8:30 am and the course will have a time limit of 4.5 hours. Runners must reach the 3rd aid station, Curry Point (mile 7.9) by 11:30 am.
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Brazen Racing
We don’t care if you are fast or slow, big or small, young or old. We aren’t the beautiful people you might see in a shoe commercial on TV. We never will be. We’re just everyday people who have discovered the happiness that running can bring. If you have the guts to get off the couch, get outside and run or walk at least 5K (3.1 miles), we are ready for you.
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Tickets on organiser’s site
Office

Aviation House, 125 Kingsway,

London, WC2B 6NH

Reg number 10083277

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