Est. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor. Whether this is your first event of the season, or a tune-up for a summer long course triathlon, don't miss the Harvest Moon! The Aquabike portion is one of the fastest growing Aquabikes in […]

The Boulder Stroke & Stride enters its 24th season in 2025, 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 […]

The Summits Trail Runs occur at Granby Ranch Resort in Colorado’s beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through […]

The Colorado Triathlon is where Colorado comes to race! The Colorado Triathlon - sprint & olympic distances, duathlon & aquabike options . To make this the "can't miss" event of the season, we'll also have athlete hoodie sweat shirts, and the best swag bag of the season. For us this race is about one person, […]

Race 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 […]