
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
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
3 other maps for this race
Quality Score
Solid Pick5512 years running
~220 finishers a year
growing or steady
4% returning runners
2 timing sources
runners from 11 states
winner 1:20:26
typical high 79°F
Race Day Weather
5-year historical avgStart (Low)
53°
Afternoon (High)
79°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
11 mph
Wind
56%
Humidity
Historical Finish Times
How 1,956 finishers actually crossed the line across 12 years.
Most recent
2025
Total finishers
1,956
Median time
2:12:05
Latest turnout
143
States
38
Turnout by year
2017–2025
Hover the histogram to inspect specific finish times.
Race Photos
Explore More Journeys
Can't make it to Louisville? Discover other experiences that match your running style.
Search All Races