Sawmill Trail Runs
Staunton State Park 12102 S Elk Creek Rd, PineWeaving and rambling across the various rolling hills of Staunton State Park, the Sawmill Trail Runs serve as the ultimate test for December running. Runners will enjoy a single loop […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado SpringsRace 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 […]
Thumbs Up Vertical Challenge
Thumb Open Space 101 Peak View Drive, Estes ParkRules Beginning at 8am, runners will ascend the Thumb Open Space out and back trail, each lap is 2km with 540ft of vertical gain At the turnaround runners collect 1 […]
Sweaty Sweater 5K
Foothills Mall 215 E. Foothills Parkway, Fort Collins5k Run/Walk – 9:00 am Kid’s 1-Mile – 10:00 am Calling all Ugly Sweaters… We want to see your most hideous, outrageous, bulky and unforgettable UGLY sweater running the Sweaty […]
All-Out Fa La La
Church Ranch Office Park 10170 Church Ranch Wy, WestminsterDash through the snow (or not snow) at Fa La La! Along with its Endless Series sidekick in July… Dog Days, the majesty of our breathtaking Flatirons as a backdrop will inspire […]
Toy Drop
5030 Local by Berthoud Brewing Company 1480 Cascade Ave, LovelandEach race will run through a part of Loveland we haven’t highlighted until this race. Bring a new, unwrapped toy to the start line and be ready for the “drop”. […]
Chasing Santa 5K
First Tech Federal Credit Union 5725 Mark Dabling Blvd, Colorado SpringsCelebrate Christmas with a 5k Run/Walk. This holiday event is designed for the whole family. Instead of your race day "T" shirt, you will receive a complete Santa Suit, Pants, […]
Catfish Flats
Chatfield State Park 11500 N Roxborough Park Road, LittletonWe host one race per month from November to March. All races are at Chatfield State Park and start at 9:00 am on Saturday mornings. Check-in starts at 8:15 am.
Ugly Sweater 5K
Left Hand Brewing Company 1265 Boston Avenue, LongmontJoin us for The Ugly Sweater 5k on December 6, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Longmont. Run, walk, jog […]
Jingle Jog 5K
Mountain Tots Pre-School 236 W 3rd St, EagleJingle Jog is a fun run event to support Mountain Tots fundraising goals. The event will include a 1K kids fun run and 5K route option for participants. Starting in […]
Onesie Dash
The Tavern at Red Feather Lakes 1078 Ramona Dr, Red Feather LakesEnjoy a scenic little dash in and around Red Feather Lakes, Colorado! Wear your favorite onesie (and layer it underneath if you need extra warmth!). Start at The Tavern at […]
Race Of The Santas 1M
Canteen Tap House 208 N Main St, BreckenridgeStart the winter festivities in Breckenridge by lacing up your running shoes for the RACE OF THE SANTAS! The race kicks off on Main Street directly in front of the Canteen Tap House (208 […]
Summit For Life
Aspen Mountain 601 East Dean Street, AspenJoin the Summit for Life on December 4th. In this exciting event, participants race from the base of Aspen Mountain all the way to the top! Racers will climb 3,267 vertical feet, over the course of 2.5 miles—at night! Dinner will be provided by The Little Nell at the summit.