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Have an event to List?
Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all.  To have an event posted here please follow this link:  Event Policy Submission & Guidelines.

IRONMAN Team Colorado Training Ride

Tom Watson Park

Boulder   Wheels down at 8 am Ride the Ironman Boulder course, a single loop is about 34 miles, full course is 3 loops. Folks do whatever their plan/time etc callsRead More

Ordinary Mortals Triathlon

CSU-Pueblo Rec Center 2200 Bonforte Blvd, Pueblo

2017 Ordinary Mortals Triathlon: A fun reverse order sprint triathlon that starts with a 5 km mass start run, then a flat, fast 12 mile bike and then a serpentine 300Read More

Summer OPEN Practice Swim

Union Reservoir Longmont

Union Reservoir, Longmont   Dust off your wetsuit! Union Reservoir will be open Saturday May 13, 10-11:30 am to brush up on your OWS skills. $10 entrance fee   WetsuitsRead More


Mini Mortals Kids Triathlon

CSU-Pueblo Rec Center 2200 Bonforte Blvd, Pueblo

Mini Mortals Triathlon (MMT) is a reverse order youth triathlon following the Ordinary Mortals race and distances are based on the age of participant on 12/31 (so children turning 9Read More