Jun
7
Sunday
Registration

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.

Always double-check with the organizer's website – things can change, and we might have sprinted past a few details! This page may contain affiliate links.
10 km
10k
5 km
5 km
Olympic Runbikerun (5km Run, 40km Bike, 10km Run)
5 km
Sprint Runbikerun (5km Run, 26km Bike, 5km Run)
5 km
Youth 5k
5 km
Youth Sprint Runbikerun (5km Run, 23.5km Bike, 5km Run)
Olympic Swim (1640 Yards)
Sprint Swim (400 Yards)
Olympic Swimbike
Olympic Swimrun
Olympic Triathlon
Sponsor - 10x10 Tent
Sprint Swimbike
Sprint Swimrun
Sprint Triathlon
Youth Sprint Swim
Youth Sprint Swimbike
Youth Sprint Swimrun
Youth Sprint Triathlon

Events nearby