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July 2019

Longmont Half and 5k

July 4 @ 8:00 am - 5:00 pm MDT
sandstone rance park, 990 CO-119
Longmont, CO 80504 United States
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Part of the Hometown Race Series

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Summer Splash Prairie Dog Half, 10k & 5k

July 20 @ 8:00 am - 5:00 pm MDT
Castle View High School, 5254 N Meadows Dr.
Castle Rock, CO 80109
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Part of the prairie dog half series. In castle rock

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August 2019

Georgetown to Idaho Springs Half

August 10 @ 8:00 am - 1:00 pm MDT
$75 – $105

The GTIS Half Marathon is one of Colorado's Oldest Half Marathon Events. It is one of three half marathons in the Colorado Mountain Half Series. Join us for the 41st year of one of Colorado's most iconic 1/2s.

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Mt Sneffels Marathon/Half-Marathon

August 17 @ 6:30 am - 1:30 pm MDT
Solar Ranches Park Ouray, CO 81427 United States + Google Map

Set for its 18th annual summertime running between the small southwestern Colorado towns of Ouray and Ridgway, the Mount Sneffels Marathon & Half Marathon takes runners along a high-elevation course that follows an overall downhill descent on the dirt county roads between the two.

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Erie Half and 5k

August 25 @ 8:00 am - 5:00 pm MDT
CO United States + Google Map

Part of the Hometown Race Series.

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September 2019

Labor Day Half Marathon, 10K and 5K

September 2 @ 7:00 am - 5:00 pm MDT
Salisbury Park, 11920 N Motsenbocker Rd
Parker, CO 80134 United States
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Celebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker’s Salisbury Park, just a few miles southeast of Denver. There’s a distance to meet every taste with a half marathon, 10K and 5K. The race travels along the scenic banks of the Cherry Creek. This flat and fast course just might propel you to a new personal record! And if you’re in it just for…

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Ned * Ned Half Marathon, 10K, 5K

September 7 @ 8:00 am - 12:00 pm MDT
$40 – $70

Race starts by winding through Old Town Nederland as you make your way to the main race route. The 1/2 Marathon will take you on dirt roads and single track trails as you challenge yourself to be “a little more extreme.”

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The Bear Chase Trail Races

September 28 @ 6:30 am - September 29 @ 1:00 pm MDT
$40 – $115

The Bear Chase Race Endurance Festival is a 100k, 50 mile, 50k, Half ... and the Baby Bear 10k Trail Race at beautiful Bear Creek Lake Park, in Lakewood, CO.

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Pioneer Prairie Dog Half, 10k, 5k

September 28 @ 8:00 am - 5:00 pm MDT
westminster promenade terrace, 10600 Westminster Blvd
Westminster, CO 80020 United States
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part of the prairie dog half marathon series. www.prairiedoghalf.com/autumn---westminster.html

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October 2019

Castle Rock Trail Festival

October 5 @ 8:00 am - 4:00 pm MDT
CO United States + Google Map
$15 – $95

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…

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