Event details subject to change. Please confirm all information via event website.
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
Colorado 13er
Home Depot 1200 Dillon Road Louisville CO 80027, Louisville, CO, United StatesThe 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.
Flamingo Day 5K
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesJoin us for a fun and festive day at Denver's Sloan's Lake Park.
The 80’s Run
Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United StatesTHE 80s Are back! Are you ready? Then grab your old Nikes, Leg Warmers and Parachute Pants or SHORT shorts!
Ring the Springs Trail Races
Rock Ledge Ranch Garden of the Gods Park 3202 Chambers Way, Colorado Springs, CO, United StatesGet ready for an unforgettable adventure at Ring the Springs trail running races in the stunning Colorado Springs, Colorado! This thrilling event showcases the area's incredible natural beauty, with a course that weaves through majestic mountains, scenic city parks, and iconic landmarks. The route is designed to challenge and inspire, featuring exhilarating climbs and rewarding […]
XTERRA Lory Triathlon
Lory State Park 708 Lodgepole Dr, Bellvue, CO, United StatesXTERRA Lory Triathlon on June 18th is the perfect kick-off to the year for the seasoned off-road triathlete, or a great opportunity for the road triathlete wanting to try out a mountain bike triathlon for the first time. The XTERRA Lory Triathlon features a 1/2 mile swim in the clear waters of Horsetooth Reservoir (Eltuk […]
Unicorn 5K
Carpenter Park 3498 E 112th Ave, Thornton, CO, United StatesReady to get off the sofa and gallop around Thornton with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k in Thornton to kick off your summer! You'll earn a sweet tee shirt and a flashy unicorn finisher medal!
Summer Vibes Run Fest and Bike Rally
Bohn Park 199 2nd Ave., Lyons, CO, United StatesSummer Vibes Fest combines trail running and bike riding adventures with a fun summer-themed music and camping festival.
Father’s Day Classic
Apex Center 13150 W 72nd Ave, Arvada, CO, United StatesIt's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! The Fun Run is an un-timed 1 mile out and back run/walk and the MANLY MILE is open to men and is a TIMED race!
Boulder Stroke & Stride IV
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Boulder Stroke & Stride enters its 23rd season in 2024, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 8 Thursday evenings (plus one Wednesday evening) throughout the summer. Many participants make their open-water […]
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