Cal Tri DC
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About the race
2026 Cal Tri DC takes place at Sweden Point Marina in General Smallwood State Park, Marbury, Maryland, about 30 miles south of Washington, DC. The event offers 18 options across Olympic, sprint, and youth formats, including six Olympic-distance choices (Triathlon, RunBikeRun, SwimBike, SwimRun, a 1640-yard Swim, and a 10K Run) and six Sprint-distance choices (Triathlon; RunBikeRun—5 km Run / 26 km Bike / 5 km Run; SwimBike; SwimRun; a 400-yard Swim; 5K Run). Distances for other youth events are listed.
The venue notes a beginner-friendly atmosphere, and the series features Cal Tri Kids Race Free. Weather ranges from the 60s to mid-80s, with water around 70 F (wetsuit legal). Visit the organization's website for the most recent information.