Dog Days Of Summer 2026

Calling all runners and walkers of all ages and abilities! Join us for Johnstown’s annual J-Town Jog 5K and Kids 1 Mile Dash to kick off BBQ Days. The Jog is a fun, family-friendly run bringing neighbors together to get active, support one another, and celebrate community spirit.

For 2026, the Jog has a new home at Roosevelt High School!

After the races, join the community at the annual Johnstown BBQ Days for post-run festivities including music, food, and entertainment for the whole family. Celebrate your achievements with delicious food from local vendors and enjoy the camaraderie of fellow participants.

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.

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 [email protected]

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!)

Thank YOU for supporting this wonderful cause. Sierra's 5K Run/Walk entrees include: Official Race Bib, Official Long Sleeve cotton shirt with option for tech shirt, Chick Fil A entree (1st 750 to register), DQ coupon, Free Beer at AKA (21 & up) & FREE Meningitis Vaccinations.

Sierra's Kids Fun Run: 10 & Under A FUN and very short distance. Kid's Bib, Short sleeve cotton shirt, Chick Fil A kids meal, DQ coupon, FREE meningitis vaccination.

Join us for the 29th running of the Downtown Boulder Pearl Street Mile on Saturday June 27th, all taking place on the Pearl Street Mall.

It is a massive night of 1-Mile races on our criterium multi-lapped course, that starts on Spruce St and 14th St. It completes 3.75 laps around the famous Boulder Court House and up the Pearl Street Mall. Famous Landmarks you will run past:

• Boulderado Hotel - 1909

• Boulder Theater - 1906

• Boulder Court House - 1933

• Pearl Street Mall - 1977

Races on offer:

• 5:00PM - Kids 800m

• 5:20PM - Family and Friends 1-Mile

• 5:40PM - 10min or slower

• 5:55PM - 9:00 - 9:59

• 6:10PM - 8:00 - 8:59

• 6:25PM - 7:00 - 7:59

• 6:40PM - 6:00 - 6:59

• 6:55PM - 5:00 - 5:59

• 7:10PM - High School Girls

• 7:25PM - High School Boys

• 7:35PM - Elite Masters Men and Women

• 7:50PM - Elite Women

• 8:00PM - Elite Men

With over 2000 spectators lining the course, and screaming their lungs out, what better way to spend your Saturday evening, than racing around Boulder's iconic land marks, and partying on the Pearl Street Mall with high energy racing and a pumping DJ!

Our FREE T-Shirt offer ends Sunday, May 17th at 11:59PM.

• Baby strollers ARE allowed.

• NO Dogs are permitted in the race.

• There are NO race refunds.