Triangle
Triathlon Calendar near Triangle 2026-2027
Monthly updates for Triangle
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Triangle for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
April 2027
Olympic and Sprint triathlons at General Smallwood State Park with a Mattawoman Bay swim, rolling bike routes, shaded run loops, plus relay and aquabike options.
May 2027
A community 5K at National Harbor on May 16, 2027 raising funds for the Potomac Riverkeeper Network to support clean water and river habitat protection.
June 2027
Sprint-distance event in Reston on June 6, 2027 featuring a 400 meter swim, 12 mile bike and 5K run, with aquathon and relay options.
Multisport triathlon event near Washington, DC offering 12 Olympic and sprint distance options at Sweden Point Marina in Marbury, Maryland.
Olympic and Sprint triathlons in Colonial Beach, VA with Potomac River swims, paved bike routes and flat waterfront runs, held as a USAT-sanctioned event.
Monthly updates for Triangle
Get new running races (and updates) in your inbox every month.
August 2027
Multi-category triathlon at Fawn Lake on 08/29/2027 with adult, youth, and relay races featuring lake swims and traffic-free bike roads.
September 2027
Two day triathlon festival at Lake Anna State Park with Olympic and Sprint distances, open water swims, rolling bike routes and park run finishes.