Marbury

Cal Tri DC

JUN
7
2026
Read all about the Cal Tri DC on 7 Jun 2026 in Marbury.
Sun 7 Jun 2026
Marbury, Maryland
Registration
Sprint Swim (400 Yards) Olympic Swim (1640 Yards) Olympic Runbikerun (5km R... Sprint Runbikerun (5km Ru...

Always double-check with the organizer's website! This page may contain affiliate links.

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.

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)
Youth Sprint Triathlon
Youth Sprint Swimrun
Youth Sprint Swimbike
Youth Sprint Swim
Sprint Triathlon
Sprint Swimrun
Sprint Swimbike
Sponsor - 10x10 Tent
Olympic Triathlon
Olympic Swimrun
Olympic Swimbike

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