Cal Tri DC
About this race
2026 Cal Tri DC - 6.14.26. Combine a trip to the nation's capitol with a race venue just 30 miles south of Washington DC in Maryland's General Smallwood State Park.
18 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run), 6 Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run) and 6 Youth Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run). Triathlon = swim + bike + run. Typically, the swim and run distances are standard but the bike distance varies from race to race. Check out the course maps for more detailed information.
TO DO. Smithsonian National Museum of Natural History. National Museum of African American History and Culture. US Capitol.
AIRPORT. Ronald Reagan Washington National (DCA)
AIR TEMPERATURE (AVG). 64 F / 86 F
WATER TEMPERATURE (AVG). 82 F. Wetsuit allowed with no results. Use the 20% 2026CALTRI discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.
The Cal Tri DC brings an exciting 5K, 10K to Marbury, Maryland on June 14, 2026. Don't miss this beautiful event!
Pick your distance
Running
5K
10K
Youth 5K
Weather Overview
These values represent the 5-year monthly averages for June in Marbury.
About Marbury
Cal Tri DC takes place in Marbury, Maryland, United States. The local timezone is America/New_York.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
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