Found 392 races near Harford County, MD

🎉 Join Your Local Running Community!

Connect with runners, find training partners, and celebrate every finish together

OCT
3

Bel Air, MD
• 3.8 miles
$15 -$50
Miles That Matter. A Stable Home Changes Everything. Join us Saturday, October 3, for the inaugural Festival at Bel Air 5K - a chip-timed race and community event benefiting Harford Family House....
1K 5K
16
OCT
3

Arlington, VA
• 64.4 miles
$35
What is Global Strides for Niger? Join Remember Niger Coalition for the Global Strides for Niger 5K, a joyful community event where every step helps create opportunities for children in Niger to...
5K
OCT
3

Essex, MD
• 21.2 miles
$60
Note: There is no race day registration for this event. Join us for a one of a kind unique experience! The Hart-Miller Island Run will take place on October 3rd, 2026. Registration includes a...
13
OCT
3

New Cumberland, PA
• 46.9 miles
$30 -$45
US Road Running Races US Road Running races are built for runners and walkers who like friendly, low-pressure race days with just enough competition to keep things exciting. Our events are local,...
5K 10K
23
OCT
3

Washington, DC
• 57.2 miles
Every stride tells a story — of courage, of community, and of the unshakable belief that hope grows stronger when we walk together.  Hope in Every Step is brought to you by MedStar Georgetown...
15
OCT
3

Collegeville, PA
• 63.1 miles
$25
3rd annual Miles for Mark 5K memorial race benefiting Warwick Township Park and youth leadership camp scholarships
1m 5K
121
OCT
3

Gaithersburg, MD
• 22.8 miles
$20 -$45
Thank you for registering for our 5th annual charity race!  We are excited to host this event and to interact with local community members and businesses.  This race has grown from being a small...
1m 5K 10K
37
OCT
3

Potomac, MD
• 60.7 miles
$35 -$85
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...
5m 20m
15
OCT
3

Collegeville, PA
• 63.0 miles
$20 -$35
All proceeds benefit the Methacton Backpack Program! This event is organized by the Methacton Education Foundation and raises vital funds for the Methacton Backpack Program, which provides...
5K
22
OCT
3

Newtown Square, PA
• 56.8 miles
$2 -$65
SAVE THE DATE!!! Saturday, October 3, 2026Registration will open Monday, August 17, 2026Run the 5K or muck (walk) the cross-country trail over diverse terrain. Proceeds support the preservation...
52
OCT
4

York, PA
• 38.9 miles
$25 -$27
What started as a tribute to one special little dog has become a lifeline for pets throughout our community. Every registration for Zoey's Fun Run & 1-Mile Dog Walk helps support Zoey's Fund,...
1m 5K
23
OCT
4

Trappe, PA
• 62.8 miles
$10 -$30
The Hero Run 5K is a chipped timed race on the streets of Collegeville Borough. Runner safety and enjoyment are our top concerns. Collegeville Fire Company is a 501(c)(3) non-profit organization...
5K
5
OCT
4

Upper Providence Township, PA
• 55.6 miles
$99
REGISTRATION IS OPEN! MORE THAN just a 10 Mile race. Join us on the journey from park to pitch as we run for Delco, through Delco, with Delco. *Please note that there is a 13 minute 30 second per...
10m
31
OCT
4

Washington, DC
• 59.6 miles
$55 -$75
District 19 returns for year seven with a new signal. Born from the belief that running can be a form of activism, District 19 was created as a way to reclaim space, build community, and move...
5K 19K 19m
23
OCT
4

Harrisburg, PA
• 57.8 miles
$15 -$25
Family-friendly 5K, 1 mile, and Kids Dash in Harrisburg supporting prostate cancer survivors and research.
1m 5K
61
OCT
4

Wayne, PA
• 57.7 miles
$20 -$40
Family 5K and one-mile fun run benefiting The Timothy School for children with autism.
1m 5K
63
OCT
4

Nottingham, PA
• 55.3 miles
$55 -$125
Explore the scenic Glenroy Preserve trails at the fourth annual Kettle Cooker Trail Race on October 4th, 2026 presented by Herr's Snacks and Altra Running, along with many local sponsors! It...
5m 25K 50K
22
OCT
4

College Park, MD
• 15.9 miles
$30 -$35
Gentle Hands And Feet was founded in 2019 with a vision to create a welcoming and inclusive community for individuals with cognitive, developmental and physical disabilities. We believe that all...
5K
18
OCT
4

Wayne, PA
• 60.8 miles
$30 -$40
Get ready for another beautiful, fun-packed, Autumn morning at one of the region's most highly regarded 5k Trail Races. The McKaig Trail Race is kicking off its second decade as we celebrate our...
5K
13
OCT
4

Harwood, MD
• 26.1 miles
$15
The Metric Marathon is held the first weekend of October and is the sixth race of the Annapolis Striders Championship Series.  The race features a scenic 26.2-kilometer (16.28-mile) course...
Marathon
18