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

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

Race Date

Jun 7, 2026

Location

Louisville, CO

The Experience

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 info@colorado13er.com ------------------------------------------- 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!)

Logistics

Race Day

Sunday, June 7, 2026

Start Time

6:30 AM

Giveaway

Short Sleeved Tee

Start Location

1200 Dillon Road, Louisville, CO, 80027

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

506'

Elevation Loss

496'

Max Elevation

5,690'

Also Offers

10K5K

Course Map

1 other map for this race

    Historical Performance

    Median Finish

    2:12:29

    10:07/mi

    Winning Time

    1:20:27

    6:08/mi

    Finishers (2025)

    140

    States Represented

    11 / 50

    Gender Split

    55% Female45% Male

    Finish Time Distribution

    1:203:05

    FASTER 25%

    1:56:52

    MEDIAN

    2:12:29

    SLOWER 25%

    2:27:44

    Average runner age: 38

    Race Day Weather

    5-year historical avg

    Start (Low)

    52°

    Afternoon (High)

    77°

    Warm — hydration strategy is key, start conservatively

    0.1"

    Precipitation

    10 mph

    Wind

    54%

    Humidity

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