Found 392 races near Harford County, MD

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SEP
27

Newark, DE
• 28.7 miles
$35 -$40
Join us for the 5th Annual Friends 5K Run/Walk benefiting the Friends of the Helen F. Graham Cancer Center & Research Institute.  This year's event will be at the Helen F. Graham Cancer Center...
5K
15
SEP
27

Hyattsville, MD
• 52.0 miles
$15 -$50
Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers...
0m 1m 2m 4m
SEP
27

Derwood, MD
• 51.7 miles
$15 -$40
MoCo Dems 5K Fall Fun Run is organized by the MD District 15 Democratic Caucus in Montgomery County, Maryland. This is an annual 5K (3.1mile) run/walk event for adults and youth that will be held...
5K
49
SEP
27

Dover, DE
• 46.7 miles
$30 -$40
This is an exciting time of year for Bayhealth nursing staff as we gear up for our annual Nurse on the Run 5k with a 1 Mile option. At Bayhealth it is our mission to strengthen the health of our...
1m 5K
5
SEP
27

Rockville, MD
• 25.5 miles
$100 -$125
Welcome to the MCRRC Parks Half Marathon! 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...
Half Marathon Marathon
48
SEP
27

Holtwood, PA
• 19.6 miles
$50 -$60
                                       COME OUT FOR THE  RUNNING OF THE WORLD FAMOUS & CULT CLASSIC CONESTOGA TRAIL RUN - 10 TOUGH MILES PLEASE READ RACE DESCRIPTION IN ITS ENTIRETY This is the...
OCT
2

Quarryville, PA
• 23.2 miles
The Waggoner JH XC Invite is hosted in beautiful Lancaster County. The race features wheel-measured 2-Mile distance across a scenic all grass rolling course. Come watch this cross country event...
OCT
3

Newark, DE
• 30.5 miles
$35 -$45
There's no better way to celebrate the Fall than at the YMCA Pumpkin Dash 5K, a FUN event for the whole family! The 5K will be held on Saturday, October 3rd, and begins at 10:00am at Glasgow...
1K 5K
9
OCT
3

Royersford, PA
• 60.4 miles
$30 -$50
  Register by 6/30/2025 and save $5 off registration! WHO:  Runners of all ages.  Walkers are also invited to participate using the same course. The race will follow a slightly new this year...
1m 5K
3
OCT
3

Baltimore, MD
• 24.1 miles
$40 -$50
Join us for the RunThrough USA Druid Hill Park 5K & 10K on Saturday 3rd October 2026 Be part of the second edition of RunThrough USA Druid Hill Park 5K & 10K in one of America’s oldest and most...
5K 10K
20
OCT
3

Ellicott City, MD
• 32.7 miles
$25 -$40
The Autism Society of Maryland (AUSOM) celebrates 20 years of hosting the Every Step Counts Autism Walk & 5K Run. Every Step Counts brings together individuals and families touched by Autism and...
1K 4K 5K
3
OCT
3

New Cumberland, PA
• 55.6 miles
$30 -$45
Race InformationThe race starts at 8:30 AM.Packet pickup starts 30 minutes before the race and ends 10 minutes before the race starts.All runners must register on RunSignup. No on-site...
5K 10K
11
OCT
3

Collegeville, PA
• 37.7 miles
$25
3rd annual Miles for Mark 5K memorial race benefiting Warwick Township Park and youth leadership camp scholarships
1m 5K
93
OCT
3

Gaithersburg, MD
• 36.0 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
23
OCT
3

Potomac, MD
• 26.7 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
1
OCT
3

Newtown Square, PA
• 18.3 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...
20
OCT
4

Wilmington, DE
• 42.1 miles
$10 -$40
2026 Delaware Dash for Rare 5K & 1 Mile Walk Join the National MPS Society at the 2nd Annual Delaware Dash for Rare 5K! This event is to raise money and awareness to help change the lives of...
1m 5K
14
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
9
OCT
4

Washington, DC
• 31.9 miles
$45 -$65
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
1
OCT
4

Harrisburg, PA
• 57.8 miles
$15 -$25
This family-friendly event is your unique opportunity to join your community in eliminating prostate cancer. Together, we will celebrate prostate cancer survivors and caregivers and honor those...
1m 5K
35