Start with Winter, Spring, Summer or Fall… whatever works best for you!
Booked solid through January? Already have plans in March? No problem… start with Summer and finish with Spring, if you like. There is no required starting point.
All the same distance or any combination!
Tailor your season to fit your budget, your training schedule, your challenge or passion… we just want to help you keep moving!
Our deepest discount available!
Save more than $30 per season (depending on the distances you choose and when you register). In any case, you’ll save more than enough to cover one free race each year!
Show off your Colorado running pride!
Custom-designed medal hangers celebrate each Colorado season, and flow together to make one large art piece. In fall, a trail running past falling leaves
You get it ALL!
Race shirts, finisher medals, personalized bibs, free race pics, brag tags, post-race meal and more! Oh, and did we mention it’s all for 15% off if you use the bundle?
Note: although use of the bundle is not required, as you may have volunteer credits, a group discount or some other benefit to take advantage of… to receive the series finisher award, you must be entered into all races for the season by the date of the 2nd-to-last event of the series (winter: Polar Prowl event date; spring: Spring Fever event date; summer: Dog Days event date; fall: Kooky-Spooky event date)
All of our events are annual events, and we love to see you join us year after year (we have some 10x and 11x alumni!). Show off your multiple years with pride with our alumni brag tags.
This is the race that doesn’t end! Yes, it goes on and on, my friend. In Colorado, it’s always running season, but which of us doesn’t tend to lose motivation at one time of the year or another? By featuring identical courses at different times of year, you can motivate your winter training or measure your summer improvement on 5K, 10K or half marathon courses. Just race a pair of consecutive endless series events, beat your time or pace and YOU WIN!
10 events make up 5 endless series: