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 and shaded run courses plus multiple race categories.
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.
A multi-option triathlon event on June 13, 2027 at Sweden Point Marina offering sprint and Olympic swim, bike and run races near Washington DC.
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 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
A two day triathlon festival at Lake Anna State Park featuring Olympic and Sprint distances, beach time trial swim starts, rolling country bike roads, and park run courses.