2027 Cal Tri DC - 6.13.27
Typically 66–84°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2026
69–88°F
dry
2025
70–91°F
rain
2024
64–88°F
dry
2023
61–82°F
dry
2022
69–89°F
dry
2021
67–82°F
dry
2020
64–80°F
dry
2019
63–78°F
rain
2018
66–86°F
rain
2017
71–91°F
dry
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About this race
2027 Cal Tri DC - 6.13.27. 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.
12 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run) and 6 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.
Course map
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Run clubs near Marbury to train with before race day.
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