Road Impacts / Closures

Below you will see a list of roads impacted by the Broomfield Trails Marathon, Half Marathon, 10K and 5K on Sunday. The marathon and half marathon will begin at 8 a.m., and the 5K and 10K races will begin at 9 a.m. Spectators are encouraged to set up alongside the race routes to cheer on runners as they tackle the courses. The course maps can be viewed via the Broomfield Trails Marathon website.

Traffic Notifications

Road Impacts—The races will be run along these streets, and there will be lane closures in these areas to accommodate runners. Residents who live along the impacted streets will be able to enter and leave from their homes, but there may be delays in order to allow runners to pass safely.

  • Main Street – Midway to Miramonte
  • Miramonte – Main St. to Quartz
  • Wadsworth Blvd. – W. 110th Ave. to W. 105th Ave.
  • W. 134th Ave. – Kalamath to Shoshone
  • W. 132nd Ave. – Shoshone to Westlake
  • Westlake Dr. – W. 132nd Ave. to Lowell Blvd.
  • Perry St. – Midway to W. 126th Ave.
  • Crosswalks:
    • Lowell at Westlake Dr.
    • Midway at Perry St.
    • Vrain St. just south of Utica Cir.
    • Wolff St. south of Winona Cir.
    • W. 125th Ave. south of Xavier St.
    • Dover Ct. near Loch Ness Ave.
  • Uptown Ave./W. 112th Ave – Parkland to Kendall St.
  • Kendall St. to Greenway Dr.
  • Lamar St. to Spader Way
  • Kirkwall St. – Highlands Park Dr. to McIntosh Ave.

Road Closures:

  • Spader Way – 1st Ave. to E. Midway Blvd. (6 a.m. to 3 p.m.)
  • Quartz Dr. – Miramonte Blvd. to W. 13th Ave. (8-9 a.m.)
  • Main St. – E. Midway Blvd. to Miramonte Blvd. (8-8:30 a.m.)
  • Midway Blvd. – Spader Way to Main St. (7:55-8:15 a.m.)
  • Community Park Road (6 a.m. to 3 p.m.)
  • 3rd Avenue – Descombes Dr. to Spader Way (6 a.m. to 3 p.m.)

Jenny D from KOSI Emceeing the Broomfield Trails Marathon

Jenny D | KOSIJenny D is a Colorado native (we know that’s pretty rare these days!). She grew up in Aurora before branching out Fort Collins where she obtained a degree in Journalism from Colorado State University. Jenny D launched her career with 98.5 KYGO, where she spent 5 years, before transitioning to 5 years in network radio. She has been back in local radio for more than three years and currently co-hosts the KOSI Morning Show with Sean and Jenny on weekday morningShe started with 5 years local radio on 98.5 KYGO, 5 years in network radio and has been back in local radio for over 3 years! She is a mom with two little girls, Maddie(4) and Paige(2). She is also a rescue mom of her dog Ollie Jose!! She is all about dance parties, make believe and any other mom past times you can think of. She likes to laugh and joke and will wake you up with a smile!! The KOSI Morning Show with Sean and Jenny LISTEN live and local weekdays 5:30 to 10AM on KOSI 101.1!

Broomfield Trails Marathon Seeks Volunteers for November 4 Race

Date: October 9, 2018

Broomfield, CO —The Broomfield Rotary Club and A Precious Child will host Broomfield’s only marathon on November 4 along with a half marathon, 10K and 5K races. With hundreds of runners already signed up to participate, the race committee is seeking volunteers to help with the inaugural event.

Volunteers are needed to assist with traffic control, parking, the post-race expo and party and other logistics during the race event. Interested volunteers can sign up online via the race website at, or they can email Nichole Karpinsky, Director of Volunteer Services at A Precious Child, for more information at

The Broomfield Trails Marathon will begin at Broomfield Community Park and will incorporate multiple trails and open spaces throughout Broomfield, Westminster and Boulder County. Race participants will enjoy panoramic mountain views and volunteer support along their routes until they cross the finish line back at the community center.

Registration is still open for those wishing to participate and can be found online at Proceeds from the multi-race event will benefit A Precious Child programs and other charities in Colorado through the Broomfield Rotary Charitable Foundation.

Both non-profits partner with other organizations to provide a positive impact for the area. The Broomfield Rotary Club has donated more than $1 million over the past decade to charitable causes, while A Precious Child has partnered with more than 300 agencies in eight surrounding counties to assist children and families in need.