Lace up your running shoes for the festive Birthday Bash 5K, set to take place on Sunday, July 19, 2026, in Fairfax, Virginia. This popular event, organized by Potomac River Running, celebrates another year of running excellence with a vibrant community spirit at Fairfax Corner (11895 Grand Commons Ave). The course is known for its paved and wide terrain, offering a straightforward and enjoyable experience for runners of all levels, winding through the lively outdoor shopping center. With a convenient 8:00 AM EDT start time for the 5K, participants can anticipate typical race day conditions with highs around 86°F and lows around 67°F, and a 13% chance of precipitation.

The Birthday Bash 5K is more than just a race; it's a celebration. Runners consistently praise the high-quality organization by Potomac River Running, which often includes a festive atmosphere with cupcakes, raffles, and interactive experiences with popular running brands. All pre-registered participants are treated to an exclusive soft-style =PR= t-shirt, a unique race bib, free race day photos to commemorate their achievement, a digital finisher certificate, and post-race snacks. Top finishers in overall and age group categories will also receive awards, adding a competitive edge to the celebratory mood.

The event offers ample parking at Fairfax Corner, making race morning logistics smooth and stress-free. Whether you're aiming for a personal best on a flat, fast course or simply looking to enjoy a fun morning with the local running community, the Birthday Bash 5K promises a memorable experience, complete with excellent swag and a lively post-race gathering. Join the festivities and make strides with Potomac River Running on their special day!