The "Grandfather" or maybe the "Godfather" of the ERS. This is the race that started it all, and the race that every runner must do if looking to put feet to dirt... (and cool off off by jumping in the reservoir)
September 8th, 2018, will see the 9th Annual Denver Trail Half Marathon and 10k, hit the trails once again at beautiful Cherry Creek State Park in Aurora, CO. The race will start and finish on the West side of the park at Hobbie Hill, next to the marina.
PARKING: Located at Cherry Creek High School, across the street from the State park
*Race Shirt options are no longer available online. if you would still like to purchase a race shirt you may do so onsite race day
*We have adjusted our prices, so that they do NOT include a race shirt. If you would like to take advantage of the shirt option, it is $5, and can be added in the Swag area of your registration. For those runners adding the shirt option, we ask that you register at least 10 days prior to race day, to be guaranteed of your shirt order. If you are within the 10 day window, we will ask you to pick up your shirt after the race, from the sizes available. We will do our best to accommodate all requests.
TRAIL RACE WEEKEND: Take advantage of our special deal, a race both Saturday and Sunday Sept 8-9. as the ERS will be assisting with the 2nd Annual Barefoot Lakes Trail 10K and 5K. For more information race discounts and the race weekend CLICK HERE
Registration fees
10K Closed
Online registration closed-
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$40.00Nov 1 – Feb 28
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$45.00Mar 1 – Jun 30
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$50.00Jul 1 – Jul 31
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$55.00Aug 1 – Sep 7
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Half Marathon Closed
Online registration closed-
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$70.00Nov 1 – Feb 28
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$75.00Mar 1 – Jun 30
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$80.00Jul 1 – Jul 31
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$85.00Aug 1 – Sep 7
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Denver Half Marathon
Denver 10k
Site Map
FINISHER MEDALS
Event schedule
- Sat, September 8, 2018 6:00 AM - Race Day Registration
- Sat, September 8, 2018 7:30 AM - Half Marathon Start
- Sat, September 8, 2018 7:45 AM - 10k Start
Contact information
- Event contact
- Endurance Race Series
- Phone
- +1 720-835-9141
- Website
- Visit website