Join a bunch of fun-loving people who are as crazy as you are for the 2026 3H Trail Half Marathon and Dahlgren Heritage Rail Trail 50K!  Sure, these races are held in August. In Virginia. That's the sizzling bonus challenge you'll find at this race!  All runners will receive a tank top or t-shirt (your choice!) and a finisher's medal.

48th Annual Running Psychologists “Ray’s Race” 5k Run & Walk at the American Psychological Association (APA) Convention on August 8 at  7 AM. Register NOW!! to run and walk with the Running Psychologists in Washington, DC.

Join the Prince George's Running Club (PGRC) on SUNDAY August 9th, for a fun, flat, and scenic 5k race through Lake Artemesia in College Park, MD. This event features two races: The women's race starts at 7:30 am. This event is part of the MD Women's Distance Festival 5k Series. A men's race will follow, starting at 8:30 am.

The DC Road Runners Club and the Potomac Valley Track Club are hosting the Family Night at the Track and Meet of Miles on Sunday, Aug. 9, 2026, beginning at 4:30 p.m. at Yorktown High School in Arlington, Va.

Running + Beer + BBQ = Be there! 25k or 50k all trail, and a great after-party! The trails are technical and challenging, yet approachable because of our generous 25k cutoffs (we don't really have one). A great course to hike, run, or both. The after party will include craft beer, great food, and general fun!

Join us on Saturday, August 15, 2026 at RFK Campus for the Legacy Loop 5K — a unique race inside one of DC’s signature summer sports events. Whether you’re lining up for the DC Run Club Championship or the Community 5K, expect a fun, fast, and unforgettable atmosphere.

Your Favorite Mile is Back! Join us for the 6th running of The BREW Mile hosted by Lost Rhino Brewing Co. in Ashburn VA. On Saturday August 15, 2026 with a 5 PM start, this block party style event invites you to tackle one mile while drinking four beers.

Rise to the Challenge and #RunWithTheMarines through the grounds of the Officer Candidates School (OCS). The 7.46 mile course offers unique access to the training area for future Marine leaders.

As part of DLS's ongoing commitment to giving back and supporting causes important to our team members, we are organizing the 3rd Annual DLS 5k & 1 Mile for Lewy Body Dementia! Proceeds will benefit the Lewy Body Dementia Association.

Join us on Saturday, August 29, 2026, for the FNR DC 10K, a special edition of the Freedom Now Run Series commemorating the legacy of the 1963 March on Washington and the enduring pursuit of freedom, justice, and opportunity for all.

This is your opportunity for the flattest, fastest course in the area! The runway will be closed off for runners to experience a unique look at the airport grounds, something you do not get to do every day! Run past planes and along the actual landing strip on this certified looped course.

The 8K race starts at 7:30 AM at the stripe in the road at the first entrance to the playground parking lot, on the approach from Jackson Road. The turnaround is at the perpendicular of the center court lines of the basketball courts and the hiker-biker trail in the woods. The race finishes at the first perpendicular from the restroom’s first wall on the approach from the parking lot to the hiker-biker trail.

Show your support for the most vulnerable children in Iraq: orphans, street kids, child laborers, and child victims of trafficking. Your participation helps ICF intervene with love and hope in the lives of these children with gifts of legal protection, education, nutrition, medical care, psychosocial services, and the missing joys of childhood fun.

The Annapolis Ten Mile Run is a 10-mile foot race organized by the Annapolis Striders, Inc., a 1000 member, all volunteer, non-profit 501(c)(3) organization.

Donut Miss the Sweetest Race! Glaze to the finish line at the Donut Dash 5K & 1K!

Enjoy nature at Lums Pond State Park. Starting and finishing at Area 1, the Bear Trail Half Marathon & 10K uses portions of the Little Jersey and Swamp Forest trails. The course is a mix of single track, wide trails and is relatively flat in elevation. This race is appropriate for all level runners including beginners.

Shaare Torah Jewish Community, Prince of Peace Lutheran Church, The Interfaith Families Project of Greater Washington, Trinity Lutheran Church, and the Ahmadiyya Muslim Community are proud to partner for the tenth annual Montgomery County Interfaith 5K. Our goal is to bring together communities of faith in the county so people from diverse backgrounds can join forces to share a fun and health-promoting activity, teach tolerance through exposure and friendship and enjoy each other’s company.

As the United States celebrates 250 years, lace up for a 10-miler or 5K that brings community, fitness, and historic perspective together.

Take on a scenic riverside run in the heart of Anacostia National Park, following a smooth and uninterrupted out-and-back route along the Anacostia River. With wide, open stretches and the road fully closed on Anacostia Drive, this event offers a calm and focused race environment from start to finish.

Come out and enjoy our 5K in Bluemont Park in Arlington, VA. We invite you to support our upcoming 5th annual Reach for the Stars 5K Run/Walk, where funds raised will directly contribute to our efforts in empowering Latina students.

Since 1994, the Kensington 8K Race has been a favorite DC area fall race - a fun, fast event with beauty, challenge, and excitement. Run with us this year on Saturday, September 19, 2026!

Held for the past 40 years, the Walk to End HIV is Whitman-Walker’s signature fundraiser that calls on thousands to strap up their shoes and walk or run to support WW’s mission of providing dependable, high-quality, comprehensive and accessible health care to those living with or affected by HIV/AIDS.

Step up and take action with the ZERO Prostate Cancer Run/Walk! As the nation’s only event dedicated to prostate cancer, come together and unite communities across the U.S. to break stigmas and break down barriers to survival.

A hometown celebration of the District’s running community and culture, the DC Half will take place on the streets of DC in September. The DC Half is presented by your local run shop, Pacers Running, and includes a half marathon and 5K. The DC Half is the best way to race the District.

The 17th annual Annapolis RUN for The Light House provides scenic half-marathon and 5k routes along the trails of Quiet Waters Park and through the beautiful Chesapeake Bay-front community of Hillsmere Shores. This race event is unlike any other in the greater Annapolis area!

Mark your calendars for the 13th annual Norma E. Boyd 5K Race for Education on Sunday, September 20, 2026. This event, hosted by the Xi Omega Chapter of Alpha Kappa Alpha Sorority, Inc.® in collaboration with the Pearl and Ivy Educational Foundation, Inc. (PIEF), honors the 40th anniversary of Alpha Kappa Alpha Sorority, Inc.® founder Norma E. Boyd’s passing.

Help the Howard County Police Foundation raise funds to support the department with special needs and programs not met through the annual budget process, including youth programs, special equipment and scholarships.

The 2026 Race to End Women’s Cancer, a 5K, 1-mile run/walk and kids fun run, that serves as a fundraising and awareness event for the Foundation for Women’s Cancer’s (FWC) Move4Her campaign, brings families, friends and advocates together to support those impacted by gynecologic (GYN) cancers.

Join Food for Others as we race against hunger at our annual 5K & Fun Run!

Your race registration supports Food for Others, a food bank and pantry in Fairfax County who serves as one of the largest providers of free groceries in Northern Virginia.

Join the Ashburn Volunteer Fire & Rescue Department (AVFRD) on Saturday, September 26, for the 7th Annual Harvest Blaze 5K and Kids' Spark Sprint (ages 4–10)!

The race begins just before sunrise, at 6:45 AM, on a scenic Montgomery County road and quickly transitions into a tour of beautiful Rock Creek Park. As you run through the park, you’ll experience the sun rising through the tree cover and enjoy the sights and sounds of nature.

The Columbia Classic 10K & 5K returns to Downtown Columbia, MD with an exciting new race experience for 2026. This year's updated course takes runners on a fast and scenic route around the iconic Columbia Mall, showcasing the vibrant heart of Downtown Columbia while delivering a fun and accessible challenge for athletes of all abilities.

Get ready to lace up your running shoes for the South Lakes 10K & 5K, taking place on Sunday, September 27, 2026, in beautiful Reston, Virginia.

RUN! GEEK! RUN! is an annual, charity 5K run/walk race, on a USATF certified, flat and fast course. We also have a 1-mile Fun Run option. Truly a community event - hosted by an Alexandria nonprofit, supported by local schools and organizations, and benefiting a different Alexandria-based non-profit each year. Our 2026 beneficiary is the Scholarship Fund of Alexandria.

Our scenic 5k route is along Sligo Creek Parkway and Sligo Creek Trail. The route is stroller-friendly, and walkers are welcome to attend.

This outdoor, fun and healthy gathering is to promote community engagement and voter participation in Montgomery County and our beautiful State of Maryland. Come on out, enjoy some great music and meet your Maryland elected officials!  Don't miss out.  Register to run or walk today!  All athletic levels are welcome.

The National Capital 20 Miler is Washington, DC’s premier fall marathon tune-up race. Taking place on the C&O Towpath, the race offers runners a flat, fast out-and-back course with water and nutrition support at regular intervals. All runners receive race swag. 

Join us for Miles for Mammograms, a community 5K dedicated to funding life-saving breast cancer screenings for women in our region. Every step you take helps ensure that more women have access to early detection, care, and support, regardless of income or insurance.

Come out and enjoy this scenic half & 5k in the heart of Georgetown near the Nation’s Capital.  Both events run on the Chesapeake & Ohio Canal path, however the Half Marathon begins/ends in Georgetown near the Potomac Boat Club while the 5K begins/ends at Fletcher’s Boat House.

Join us on Saturday, October 10 at 5:00 PM for Congressional Cemetery’s annual fall 5K fundraiser. This death-defying race begins inside the cemetery before continuing onto the Anacostia Trail for a spooky evening run filled with music, costumes, and frightful fun.

Get ready to channel your inner lumberjack or lumberjill at the Plaid to the Bone 10K — the coziest, crunchiest, most flannel-filled race of the fall!

The 42nd Annual Army Ten-Miler Race Date will be held on October 11, 2026, at the Pentagon, Washington, D.C. Taking place on an early October Sunday morning, thousands of runners travel from around the world to visit Washington, D.C. to win the top spot in the Army's Race!

Pumkin Spice & Everything Nice! Gather, Run, & Celebrate the Colors of Fall at the Fall Classic 10K!

The Marine Corps Marathon 8K brings the energy and tradition of MCM Weekend to a shorter, fast-paced distance. Perfect for runners of all levels, participants will experience scenic views, on-course Marine support, and the pride of earning an official MCM Weekend finisher medal while running in the spirit of Semper Fi.

Recognized for impeccable organization on an iconic course managed by the U.S. Marines in Arlington, VA, and the nation’s capital, the Marine Corps Marathon is now the third largest marathon in the United States and remains one of the largest in the world.

Veterans Day 5K & 1K. Every Step A Salute. Every Finish A Tribute. Honor the Brave at the Veterans Day 5K & 1K!

The City of Rockville, in partnership with the Montgomery County Road Runners Club (MCRRC), welcomes all to participate in this fall running tradition. The 10K and 5K run along the streets of the King Farm community for a scenic and challenging, yet rewarding, course. It is an ideal venue to cap off your summer/fall training and kick off the upcoming winter running season.

Your only chance to run or walk across the majestic Chesapeake Bay Bridge which is typically closed to pedestrians.  Now organized by Corrigan Sports,  Maryland's premier race company, you can expect a fun, well managed event open to runners and walkers alike.

Complete your foot tour of Maryland with the Ocean City Running Festival!  YEAR FOUR of this event will feature scenic routes, all of which include the OC Boardwalk, with some courses taking you to Assateague State Park.

The 64th annual JFK 50 Mile will be held Saturday, November 21, 2026.

D.C.’s largest and only Turkey Trot is more than a race—it’s a tradition of compassion and community. On Thanksgiving morning, join thousands of neighbors at Freedom Plaza for SOME’s 25th Annual Trot for Hunger 5K and Little Turkey 1-Miler.

Join fellow turkey lovers, runners, walkers and friends for an appetite-inducing morning of good-natured competition. Starting and finishing at The Mall in Columbia, runners will complete at 5K distance and earn a logo shirt and finisher medal.  This race is appropriate for all level runners and walkers.

Ho! Ho! Ho! Let's Go! Lace up those boots, cinch that belt, and get ready to jingle all the way through the Run with Santa 5K!

Frosty 5K and 1K. Where a Frosty Start Becomes a Warm Holiday Tradition! Bundle Up & join us at the Frosty 5K, 1K, & Tot Trot!