Found 327 races near Middlesex County, MA

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SEP
19

Burlington, MA
• 9.8 miles
$35
The Lahey Cancer Institute 5K Walk & Run  takes place on Saturday, September 19, 2026. Thank you to our participants, donors, and sponsors, for making this community event a huge success! For...
5K
5
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19

Nashua, NH
• 59.9 miles
$30
Miles for Meals! We are excited to welcome you to the 7th Annual 5K Run/Walk for Meals on Wheels of Hillsborough County! It will be at Mine Falls Park, a fantastic venue welcoming runners and...
3K 5K
30
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19

York, ME
• 12.8 miles
$20
Join us Saturday, September 19th for the Mt A Trail Challenge! We're excited to have you join us at the summit of Mount Agamenticus for the 10th Annual Mt. A Trail Challenge! The 5K begins at 9...
1m 5K
9
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19

Boston, MA
• 37.3 miles
$30 -$55
  Run for the Dogs 5k 5K features a scenic course!   Join us on Saturday September 19, 2026 at 3:00 PM for an exciting "Run for the Dogs Themed" event that features the scenic views of Pope John...
5K
2
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19

Somerset, MA
• 2.9 miles
$15 -$58
The Shirley May France 10K Road Race Hosted by the Somerset Economic Development Committee Presented by Bank Five - Somerset Join us in honoring a true Somerset trailblazer! The Somerset Economic...
1m 5K 10K
45
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19

Westminster, MA
• 24.7 miles
$40
The Race for Everyone!!! We have the road race you’ve been training all year for! Come to Wachusett Brewery, Saturday, September 19th, 2026 to support  Boston Children’s Hospital and run the Race...
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19

New Ipswich, NH
• 32.4 miles
$55
The Wapack Wilderness Trail Race is a demanding 18-mile out-and-back course, starting at Windblown Ski Area and climbing toward the Watatic Mountain Reservation. This technical trail race...
1
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20

Dayville, CT
• 42.4 miles
$5 -$30
We are thrilled to share that our 14th annual ~Lap the Lake~ Road Race & Walk has been scheduled for Sunday, September 20, 2026! ~Lap the Lake~ is a major fundraising event which helps fund all...
2m 5K
1
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20

Milton, MA
• 39.3 miles
Arc'teryx Run Boston 10K
10K
6
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20

Exeter, NH
• 30.6 miles
$35 -$40
Connor’s Climb is more than a 5K — it’s a chance to take action for youth mental health. By registering and fundraising for Connor’s Climb, you are supporting Connor’s Climb Foundation, a local...
5K
6
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20

Hillsborough, NH
• 50.2 miles
$30
The Hillsboro Fire Department proudly serves the Town of Hillsboro, New Hampshire, providing fire protection and emergency medical services to a close-knit community of approximately 6,000...
5K
7
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20

Nashua, NH
• 61.2 miles
$25 -$45
Date: September 20, 2026 Location: Mine Falls, Nashua NH Start Time: 9AM Description:  Run a quiet 5K through the beautiful Mine Falls in Nashua to help support Operation Delta Dog!  Operation...
5K
15
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20

Peabody, MA
• 21.1 miles
$15 -$50
Join us on Sunday, September 20th in West Peabody at Lt. Ross Park (CyTenny) for the Inaugural SAK Strong 5K run/walk, 1 mile walk and youth FUN run in memory of Chris Sakelakos.Chris passed away...
1m 5K
9
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20

Portsmouth, NH
• 19.7 miles
$30 -$40
Seacoast Cancer 5K - Support a great cause while running in Portsmouth
1m 5K
751
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20

Braintree, MA
• 27.8 miles
$35
Please consider joining us for our Annual Sprint For Super Saturday's 5k Run/Walk at Braintree Town Hall, 1 J.F.K Memorial Dr, Braintree, MA 02184 SUNDAY, SEPTEMBER 20,2026 - Start Time 9:00 AM  ...
5K
1
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26

Lincoln, MA
• 5.6 miles
$15 -$30
AFCEA is a 501(c)(3) non-profit organization serving the surrounding communities of Hanscom Air Force Base and is comprised of small and large member firms, professionals and active duty and...
5K
4
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26

Boston, MA
• 21.4 miles
$15 -$30
About This EventPlease join us for the Annual Colin Joy Project 5K September, 27th 2025. We are so excited to be continuing Colin's Joy Project's mission and are here to welcome you all back for...
2m 5K
13
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26

Providence, RI
• 51.9 miles
$30
5K race on Rhode Island College campus to raise funds Friedreich's Attaxia (RA). $30 for 5k adults, $10 children Register at:...
5K
4
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26

Hull, MA
• 48.4 miles
The 3 Beach Minimum Half Marathon is a spectacular run that starts at expansive Nantasket Beach, then follows the coastline through beautiful Cohasset before doubling back on itself in a shaded...
Half Marathon
16
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26

Brookline, MA
• 17.5 miles
$25
We are thrilled to announce our school's fourth annual 5K event, and we want you to be a part of it! Lace up your running shoes and join us for a fun-filled morning of St. Mary school spirit and...
5K
6