Countdown to None 5K
Dec. 31, 4:30 p.m.
Bring the kids with you for this family-friendly New Year’s Eve 5K. The Countdown to None raises awareness for Type 1 Diabetes. A virtual race option is also available for $5 for those who won’t be able to make the physical run, but still want to contribute to the cause. // Course begins near the caboose on Church St., Vienna; $30-$35
Fairfax Four Miler
Dec. 31, 6 p.m.
Although technically not a 5K, this race made the list because of its popularity. Thousands of runners will be in attendance at this annual event, celebrating its 10th year. Register ASAP to secure your cozy sweatshirt, available while supplies last. After you cross the finish line, throw on your new hoodie and eat to your heart’s content at the post-race pizza party. // Pacers Fairfax: 10420 N. St., Fairfax; $43-$48 (individuals), $129-$144 (groups)
New Day New Year 5K Run/Walk
Jan. 1, 9:30 a.m.
Start the New Year with a good sweat by participating in the second annual New Day New Year 5K Run/Walk. Finishers will receive a beanie, gloves and buff at the end. Plan to stick around after you cross the finish line for a post-race breakfast at House 6 Brewing. Its food truck will serve up delicious plates, and House 6 beer will be on tap. // House 6 Brewing: 44427 Atwater Drive, Ashburn; $20-$35 for race, $5.50-$10 for breakfast options
New Year’s Day 5K
Jan. 1, 10 a.m.
Work off your hangover and still have enough time after to enjoy your day by running in the New Year’s Day 5K at the Reston Town Center. The 10 a.m. start will give you just enough time to sleep in a little bit. Finishers can expect music, food and a celebration after the race. // Reston Town Center: 1191 Democracy Drive, Reston; $35-$40