Colorado 13er (Half Marathon/10k/5k)

The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable, kind-to-your-body, well-supported 13.1 race! 
Seasoned runners and first-timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.

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Join us for this exceptionally scenic, looped 13.1 course which runs through gorgeous Louisville, Colorado!

We designed this course so that you can enjoy all of the spectacular views of the Flatirons that Colorado has to offer. Come see for yourself!

Groups/Teams/Families: Save $5 per person for groups of 5 or more! See our FAQ page for more questions! 

Click the drop-down menu under "race info" for all race details! Any questions, please email us at info@colorado13er.com

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Here's the good stuff!!
- 10 water station passes
- 5 port-a-john passes
- 9 miles of FLAT, crushed gravel
- nearby, free parking
- spectator friendly
- 13.1 finisher medal
- 10k or 5k options available
- iced towels at the finish line
- gender-specific performance tees for every registrant
- chip timed with texted results
- live, real-time results posted online
- 13.1 miles of million-dollar views AND
- the amazing sense of accomplishment you can only get from running 13.1! (or 5k or 10k!)

Time/Date
June 5, 2027
11am-2pm

Location*
Location: Road Runner Sports- Westminster

10442 Town Center Dr, Ste 300, Westminster, CO 80021

Yes, you can pick up for a friend or have a friend pick up for you!
No, the store will NOT keep bibs/packets outside of those times!

APPU dates and times are subject to change

The event is chip-timed. Overall winners are awarded based on GUN TIME and age groupers are awarded based on chip time.

Chips are on the back of your bib so please don't bend or crinkle them.

Results are posted LIVE online during the event.

The top THREE men and women overall and in each age group will be recognized.

Age Groups:
13er & 10k: 19 and Under, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+
5k: 9 and Under, 10-14, 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+

Event Sponsorship Benefits
Raise Brand Awareness
Community relations
High Visibility
Partner with a charity that reflects your organization’s values
Product sampling/sale opportunities
Demonstration/Display opportunities
Give back to the community
Employee participation and team building 
Click HERE to see the 3W Races Media Kit!

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Pre-Event Contact
We would love to work with you to feature your product or business with our racers.  There are many ways to be involved and gain exposure, from hosting a packet pick up location or after-party, sponsoring a water station (at select events), adding a goody or coupon to the goody bag, providing an in-kind donation/sample for the racers on the course or at the finish line, or setting up a booth on race-day at the expo. 

We can feature your business on the event webpage, racer emails or social media!  All sponsorship payments must be received before your business is included in any kind of mention or posting.

Please contact our marketing team before the race with any questions:

Marketing Number:
AJ Benefield 303-667-5685
Email: AJ@3WRaces.com 

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Goody-Bag "Stuffers"

If you have arranged to place something into the Goody Bag, please make sure your 'stuffer' reaches us by the deadline so our volunteers and staff can get it into each racer's goody bag!  Items received after the deadline will not be in the goody bag.

DEADLINE:
FRIDAY before race week:  May 28, 2027
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MAILING ADDRESS:
Mail to: 7960 Hollywood St., Commerce City, CO 80022
(If you would rather drop off in person than mail/ship your items, please email us in advance to make arrangements.)

QUANTITY:
We will be stuffing 350-400 packets in 2027.

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Table/Tent
​TENT/TABLE:  You will be given approximately 12'x12' of space if your sponsorship includes presence at the race-day expo.  Tents and tables are NOT included, however, some of you have already arranged for table/tent rental from 3W Races.  In that case, your tent and or table will be set for you at your designated space.

Tent rental is $95 and tables are $20 each to rent for the event.  3W will bring the tent/table, set it up at your designated location and tear it down at the end of the event.  If you are interested in this arrangement, please coordinate with us at least one week in advance.

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Participant Information
Historically, this event has seen 250-350. 
This used to be an all-women event.  In 2019, the event became co-ed and saw 675 registrations with 16% of registration in the male category.

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Race-Day Location/Time
WHERE: Home Depot Lousiville - Address: 1200 W Dillon Rd, Louisville, CO 80027 
TIME: 4:00-5:30 AM Vendor Set Up, 10:00 AM Tear Down.  The finish line officially closes when the last runner crosses.  Click Here for Racer Schedule.

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Race-Day Contact
Please check in at the 3W Races tent on race day regarding the specific location of your booth space!

Race Director: AJ Benefield
Direct Number: 303-667-5685
Email: aj@3WRaces.com

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Special Request
​We kindly ask that you do not paper events. This includes placing advertisements on runners' cars. All paper advertisements need to be placed at the 3W tent and/or at your personal booth space and directly handed to runners away from the finish chute. Thank you for your cooperation with this request.

We will be following all Colorado and Boulder County guidelines and regulations that are in place at any given time. As we get closer and closer to the event date, we will continue to update our racers and implement the necessary guidelines issued to us. 

Here are general protocols and guidelines that will be in place at the Colorado 13er and are required of all racers, volunteers, and staff members in attendance. When signing up for the Colorado 13er, you will agree to a set of COVID guidelines and the social contract. Those guidelines will include:
1. You agree to wear a mask/face covering when in the expo area, start corral, and after you cross the finish line. Face covering will not be required while you are running if you can maintain 6ft of distance from other racers and citizens using the trails.
2. You agree to social distancing of at least 6ft while at the event including in the start area, finish area, and expo.
3. ADVANCED packet pick up is HIGHLY ENCOURAGE. There will race day pick up at a designated spot in the expo only. No race day registration.
4. Must be "healthy" to attend. Please stay home if you are exhibiting any COVID-like or other illness type symptoms including, but not limited to: fever, cough, sneezing, sore/scratchy throat, etc.
5. No dogs are allowed at the Colorado 13er. 
6. You will not get to the expo more than 30 minutes before your scheduled start time/wave. When you arrive, you are instructed to go to your staging area and your starting corral section (marked by signs and volunteers). After you finished, you are instructed to leave as soon as possible.
7. You will agree to bring any race hydration/nutrition needed before your race. There will NOT be a water station on the 5k course. There will two water stations that half marathon races see four times. There are some light snacks at the finish line. All food and water will be handled by volunteers and staff members ONLY wearing gloves and practicing regular hand washing and sanitizing. Racers can not touch or self-serve food or water.

In addition, all runners will be sent out in small waves to allow for social distancing (waves assigned at registration based on estimated finish time). While in the expo area, talking to vendors, and getting finisher food, masks will be mandatory. You will also see all of our staff wearing masks at all times and volunteers wearing gloves while handing out finisher food/water. As the regulations change due to this ever-changing pandemic, we will keep registered racers informed with the most recent guidelines.

Visit the FAQs page for answers to more frequently asked questions: http://3wraces.com/faqs.html

As always, 3W Races is proud to be cup-free at the finish line.  Leave your personal bottle at the Start/Finish Bottle Drop so you can retrieve it after your race.  Coolers with water are available at the Expo for refilling your bottle. Yes, there are cups on the course at the water station(s).

All general 3W FAQs can be found HERE.

For this race specifically:

This is my FIRST event.  I have a lot of questions...
THAT IS AMAZING!  We're so happy to have you join us.  Did you know that 30% of racers report that is their first time racing, too?  Email the race director if you ever have a question that isn't answered here.

The other runners participating next to you are some pretty remarkable people and we KNOW that they will be encouraging and supportive if you have questions on race day - just ask someone standing next to you!  You may just make a new friend!

You call this a "13er." What is the true distance of the race and why does my GPS read something different?
The '13er' course is a true 13.1 miles, also known as a 'half marathon."
The 5k course is 3.1 miles. The 10k is 6.2 miles.
All courses are measured using industry-standard, MECHANICAL equipment (e.g. Jones Counter).  By this measurement, the actual surface of the course is measured, not digital estimations which are used in GPS technology.  For this reason, your GPS watch recorded distance may vary from the true 3.1 or 13.1 miles of the actual course.

I can't remember if I'm actually registered.  How can I check?
To look up the participant list for any race, click on the "REGISTER" button for that event.  On the registration page you will find a blue tab labeled, "Find a Participant."  Click there and you will be able to search the list of registered runners.  This applies to runners who registered through our site.
If you didn't get a confirmation email, chances are that your email address was typed into the software erroneously.  In that case, please email us and we'll help make the fix!

I’m a walker and will take longer than the course cutoff time. Does this mean I can’t participate in the fun event?

Absolutely not! Walkers are welcome, and we want you to be able to enjoy the Colorado 13er with us. The 13er course has a 3 hour 10 minute time limit, with the finish line closing at 9:40 AM.

If you don’t expect to finish within that window, you may take advantage of our 5:30 AM early start. Early starters should pick up their packet in advance and check in with the timer before heading out so we know you are on the course.

May I participate with my stroller?
Check the specific 'course info' page regarding elevation and course surface.  Strollers are welcome but we recommend you have a jogging stroller to accommodate the packet gravel parts of the course. If you can push it, you can bring it!

If your child stays in the stroller the whole race, no, you do NOT have to register them as a separate participant. 

Our rule is, if they are using their own two feet to participate in one of our races, then, YES, you do need to register them. This is due to safety, participant counts for city permits and calculation of materials needed for the race!

May I participate with my dog?
No. Please leave your furry friend at home. We run through part of a nature preserve that DOES NOT allow dogs! 

Do you have pacers on the course?
Nope.  You're welcome to wear your watch.  :)

I picked up my shirt and now I'd like a different size.  What can I do?
Bring your unworn shirt to the race.  As soon as the race starts, we open 'shirt exchange' with any shirts that were unclaimed.  You can trade out your unused shirt for a different size, as long as supplies last.

Make it a full weekend and get a special Colorado 13er room rate at Fairfield Inn & Suites Denver North/Westminster. 

Expo Location (Start&Finish)
The start line & finish line for all distances and the registration, late packet pick up & runner expo are all here:
Home Depot - 1200 Dillon Road, Louisville, CO 80027

Parking
Please use the Cinebarre or RTD lots for parking on race day.  Follow the signs as you approach via Dillon Road.

There is no parking in the Home Depot Parking lot

Come on over to Paul's Coffee and Tea-956 W Cherry St, Louisville, CO 80027- bring in your Bib and get 20% off drinks!

July: 13er:  $55 / 10k: $35 / 5k: $25
​Aug - Feb: 13er:  $60 / 10k: $40 / 5k: $30
Mar -May 14 13er:  $65 / 10k: $45 / 5k: $35
May 15 - Jun 5 @ 4pm:
13er:  $70 / 10k: $50 / 5k: $40

Race Day:  13er:  $80 / 10k: $60 / ​5k: $50

GROUPS: 
Join a TEAM during registration and when your group reaches 5 or more members, everyone gets $5 off!  (See FAQ for details.)  

Registration fees are non-refundable.
Discount codes or vouchers are redeemable ONLINE only and are not valid if mailed in or presented in-person.

Bring five items on race day for Community Food Share from the list below and you'll be entered into the race-day raffle!  
Most needed items (they are always looking for healthier options too, like low sodium, whole grains, etc):
-Nut butter 
-Cereals
-As well as any non perishables!

Schedule
5:30–6:30 AM — Same-Day Registration & Late Packet Pickup
6:30 AM — 13er Start
6:40 AM — 10K & 5K Start
7:30 AM — 5K Awards
7:45 AM — 10K Awards
8:00 AM — Top 13er Awards
8:45 AM — 13er Age Group Awards
9:40 AM — Finish Line Closes

We’re excited to announce that we’ve partnered with Sneakers4Good to provide you with a socially responsible way to donate your gently worn, used or new sneakers and running shoes to a good cause we support! The sneakers will help benefit Growing Home as well as give a hand up, not a handout, to micro-enterprises in 25 developing countries. The athletic shoes will be kept out of landfills where they can take decades to fully decompose. Visit Sneakers4Good to learn more!

It's super simple! All you need to do is bring your lightly worn athletic shoes and sneakers to the race (either on race day or at packet pick up). We collect them and mail them and a donation is made to Growing Home! 

Please donate only gently worn, used, and new athletic shoes.  These sneakers, trainers, and other athletic shoes will be worn again by people in developing nations, so please make sure there are no holes or soles falling off and that they are in wearable condition.  Dress shoes, sandals, brown shoes, flip flops, cleats, etc. and other shoes that are NOT athletic shoes will NOT be accepted. 

Please tie your shoes together or put a rubber band around the pair! 

All participants receive a performance blend, short-sleeved tee - gender-specific sizing available.

All finishers of every distance will receive a collector’s pint glass! 2026 image shown

13er FINISHERS receive a collector's finisher medal!

At every 3W Races event, we partner with a hyper-local charity. For the Colorado 13er event, we are excited to partner with Community Food Share!

"At Community Food Share, we’re more than a food bank — we’re a neighbor and a friend who’s been part of the fabric of Boulder and Broomfield Counties for decades. We know that ending hunger in our communities requires collaboration. That’s why we not only provide food directly to families, seniors, students, and others, but we’re also a hub — delivering millions of pounds of food a year to local partners to reach people in their communities. Because when we work together, we give more people access to fresh, nutritious food."

For every $1 donated to Community Food Share, you are able to provide 3 meals

You can donate to Community Food Share online HERE. The money donated through our portal goes directly to them. You can also bring in-kind donations on race day to be entered into an exclusive raffle for prizes from 3W Races and our sponsors. More info HERE.

We are proud to partner with Sneakers4Good! When you donate your gently used or new athletic shoes, a donation is made to our ongoing charity partner, Growing Home!  Click here for more info!