2026 Cal Tri Williamsburg is scheduled for Sunday, July 19, 2026, with all events centered at Jamestown Beach Event Park in Williamsburg, Virginia. This stop in the Cal Tri Series features 18 different event options across Sprint, Olympic, and Youth distances on flat, scenic courses.
About Our Series Sponsors
Optimism is the 2026 Title Sponsor of the Cal Tri Series. Well-being begins with Optimism, and they believe that health isn’t a destination, it’s a daily practice. Swimming, biking, and running are powerful ways to build that foundation. Together with Blueseventy, the industry leader in high-performance wetsuits and swim gear designed to make you faster and more confident in the water, we are committed to making multisport safe, accessible, and affordable for every athlete.
By the Numbers: Athlete Demographics
Registration and survey data highlight a diverse field of participants preparing for this weekend’s event:
- The Field: 420 registered athletes are scheduled to participate across the various event formats.
- First-Time Racers: For 165 participants (nearly 40% of the 420 surveyed), this will be their very first multisport race.
- Pre-Race Preparation: 75 athletes have registered for the free Saturday Swim & Coaching Clinic to prepare for their open-water disciplines.
- Geographic Reach: The race has drawn athletes from 22 U.S. states, led by California and Texas matching the local East Coast registration numbers, along with international representation from Great Britain.
- Age Range: The field includes competitors ranging from 7 to 74 years old.
Event Options & Distances
The race features 18 different event options categorized across Sprint, Olympic, and Youth distances to allow participants to race their preferred format:
- Sprint Events: Includes the Sprint Triathlon (147 participants), Sprint RunBikeRun (32 participants), alongside SwimBike, SwimRun, and a 400-yard Swim.
- Olympic Events: Features the Olympic Triathlon (128 participants) and Olympic RunBikeRun (11 participants), along with SwimBike, SwimRun, and a 1640-yard Swim.
- Running Events: Includes the Orangetheory Fitness Williamsburg 5K (44 participants) and the 10K Run (15 participants).
- Youth Division: Comprises the Youth Sprint Triathlon (16 participants) along with options for youth Duathlon (RunBikeRun), Aquabike (SwimBike), and Aquathlon (SwimRun).
Course Details & Logistics
Athletes are responsible for studying and knowing their specific routes. Transition entry and staging vary based on the discipline.
Swim Leg
- Location: Swim Beach at Jamestown Beach Event Park.
- Distances: 400 yards for Sprint/Youth events and 1,640 yards for Olympic events.
- Transition: Upon exiting the water, athletes must look for the “SWIM IN” flag to enter the transition area.
Bike Leg
- Sprint Distance: 11.4 miles.
- Olympic Distance: 24.5 miles.
- Route: Cyclists head northwest out of transition, turning onto Greensprings Rd (VA-614), John Tyler Hwy (VA-5), Centerville Rd, and Brick Bat Rd, before returning to transition. Olympic distance athletes complete three of the main loop.
Run Leg
- Sprint / 5K Distance: 3.1 miles.
- Olympic / 10K Distance: 6.2 miles.
- Route: Run courses lead out towards Jamestown Rd (VA-31) and head onto the paved Virginia Capital Trail. After completing their respective U-turns, runners finish back inside Jamestown Beach Park at the finish line arch.
Special Thanks
We would like to thank our local partners and public safety agencies for their essential planning, coordination, and logistical support: