Mason District 5k & 10k

The Mason District 5k & 10k returns to Annandale, Virginia on August 29th. The race offers a scenic journey through the trails of Mason District Park, providing participants with an enjoyable and memorable experience.
Race morning at Mason District Park finds runners greeted by a serene atmosphere. As dawn breaks, the park is filled with early risers preparing for their run along the well-maintained trails. The route winds gently around lush greenery, winding through the natural beauty of Virginia's countryside. A light breeze carries the scent of blooming flowers and fresh earth, setting an invigorating tone.
This event has been a local fixture since 2016, attracting participants who have grown to love its community spirit. In recent years, it has welcomed over 350 runners each year, with proceeds supporting scholarships for underprivileged youth in the area. The race not only provides a challenging and picturesque course but also fosters unity among Annandale residents.
The course venue offers a mix of terrain, featuring hard and dry surface trails that are perfect for both experienced and novice runners alike. Participants can look forward to starting from the park's main entrance on Mason District Road before making their way through winding paths lined with trees. The 10k route offers more mileage than its shorter counterpart but remains manageable and rewarding.
At the finish line, participants will find a small aid station offering water and snacks for hydration and energy replenishment. While elevation changes are minimal along both courses, there is an incline near the halfway point of each distance that can provide a good challenge.
On race morning, temperatures range from 19 to 28 degrees Celsius with a comfortable feeling temperature around 24 degrees due to low humidity at 70%. A light breeze of about nine miles per hour ensures a pleasant pace for all runners. The day is expected to be sunny but with occasional cloud cover, offering both shade and warmth as needed.
The race offers distances including the five-kilometer (5K) run, ten-kilometer (10K), virtual 5k/10k options, and various virtual event fees ranging from $20.82 to $49.64. Participants can register at https://raceroster.com/events/2026/116652/mason-district-5k-and-10k.
Race day registration is available online until August 23rd, with a fee of $33.63 for the 5K and $49.64 for the 10K. Bib pickup takes place at the Mason District Park office on August 28th from 3 to 7 PM or the day before race morning starting at noon.
Runners should gather at the park's main entrance located at 1000 Mason District Road, Annandale, Virginia for the start of the event. Participants must be at least 14 years old and are encouraged to bring their own water bottles for hydration during the run. The race is a testament to community spirit and local support, making it worth every step.