Dumfries
Triathlon Calendar near Dumfries 2026-2027
Monthly updates for Dumfries
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Dumfries 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 and 1 Mile event at National Harbor supporting mussel restoration and the PRKN 50 Million Mussel Project.
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.
A multi-event triathlon day on June 13, 2027 at Sweden Point Marina near Washington DC, offering 12 race options from sprint to Olympic distances.
Olympic and Sprint triathlons in Colonial Beach VA with Potomac River swims, well paved bike routes and flat waterfront run courses.
Monthly updates for Dumfries
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
Sprint and Olympic triathlons at Lake Anna State Park with beach swim, rolling country bike roads, and a shaded run inside the park.