
This September 6 race is close to selling out, so sign up ASAP. It goes through National Harbor at night; expect lots of glow necklaces and bracelets, neon trees, and bright lights everywhere. Register for $65 at Electric Run’s website. Photograph by Flickr user jessicahayssen.

Dulles Airport will shut down one of its runways for this September 14 5K. The male and female winners receive two round-trip tickets from United Airlines. Register for $30 at Potomac River Running’s website. Photograph by Flickr user InSapphoWeTrust

This 5K is for anyone looking to meet some new DC friends. The September 20 weekend begins with a Friday-night happy hour packet pick-up at Whitlow’s, then the 5K on Saturday in DC, and ends with a night out at Nationals Stadium. Register for $39 at Run ’n’ Mate’s website. Photograph by Melissa Romero

Ruckus Sports’ family obstacle race comes to Washington for the first time on Saturday, September 28. The adult 5K ($60) features challenging obstacles like mud and hay pits, while kids can enjoy their own mini obstacle race ($20). Register online. Photograph by Ruckus DC

Your mission on this 5K obstacle course through Algonkian Regional Park is to make it across the finish line with at least one of your three flags while getting chased by zombies. Don’t want to do an obstacle? That’ll be 10 burpees. Register for the October 6 race for $65 at Halloween Woods’ website. Photograph by Shutterstock

Run, jog, or walk this 5K at night on October 12 with the help of fluorescent lights and heart-pumping music. Each kilometer you’ll be splattered with glowing colored powder. Cap it all off with a dance party at the finish line. Register for $45 at Cosmic Run’s website. Photograph by Cosmic Run’s Facebook page.

November 22 brings together the best of all sorts of worlds: runners, rollerbladers, and karaoke fanatics. Run or skate your way to the finish line to the top tunes of the ’80s, ’90s, and 2000s, then sing in front of thousands at the karaoke concert. Register for $50 online. Photograph by Shutterstock.

Strip down for this year’s Nearly Naked Mile, which features race perks such as beer, pizza from Naked Pizza, flannel boxer shorts, and a pint glass. The race is November 9 at Reston Town Center. Register for $25 at Potomac River Running’s website. Photograph by Shutterstock.