Found 313 races near Middlesex County, MA

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OCT
25

Boston, MA
• 31.4 miles
$30 -$35
Fall Fest 5K run and walk for the Esplanade in Boston supporting park programs and projects.
5K
87
OCT
25

Keene, NH
• 53.3 miles
$35 -$40
                                                     Sunday 25 October at 9am Yo-Yo-Yo!!   This is a race for all of you Yo-Yo's out there! Why Yo-Yo? Because that's exactly what you're going to...
28
OCT
25

Hopkinton, MA
• 19.5 miles
$10 -$45
Lace up your sneakers, grab your (optional) costume, and join the spooktacular fun at Hopkinton Center for the Arts! Whether you're racing for glory or just chasing good vibes, this festive...
5K
26
OCT
25

Boston, MA
• 18.0 miles
A 5K community walk on Boston Common supporting MDS research and awareness.
5K
14
OCT
25

Dover, MA
• 19.4 miles
$20 -$55
The Powisset (pronounced “po-wiss-it”) Farm Trail Run is part of the Barn to Run Trail Race Series and the fall edition of this event takes place Sunday, October 25, 2026 at Powisset Farm in...
1m 3m 5m 8m
18
OCT
25

Harvard, MA
• 10.8 miles
$15 -$35
A 5K trail race through orchard meadows and trails, with a 1 Mile Fun Run.
1m 5K
36
OCT
25

North Grafton, MA
• 22.0 miles
$35 -$45
A 5K walk/run with your dog benefiting animal welfare charities.
5K 95K
46
OCT
25

Portsmouth, NH
• 28.1 miles
$89 -$99
The Seacoast Half Marathon is one of the longest-running half marathons in coastal New Hampshire. This year's beneficiary is an amazing nonprofit dedicated to improving lives in the Greater...
Half Marathon
92
OCT
25

Foxboro, MA
• 28.1 miles
$15 -$40
Stairs4RTroops 2026 - Gillette Stadium is a walk, climb or run up the stairs and around the lower sections at Gillette Stadium. The event takes place on October 25, 2026 from 10am-1pm at Gillette...
25
OCT
25

Berkley, MA
• 47.0 miles
$10 -$40
The Baystate Dirty Dog Trail Run-Ruck-Walk 5k is a unique and inspiring event that honors the brave men and women who serve our communities as military personnel and first responders — along with...
5K
30
OCT
25

Providence, RI
• 16.6 miles
$17 -$36
Halloween-themed 5K run/walk and kids race in Downtown Providence supporting the Gloria Gemma Foundation.
5K
104
OCT
31

Cambridge, MA
• 1.1 miles
$45 -$210
The Cambridge 5K is the kickoff to race weekend! It's a 3.1-mile course that starts and finishes at CambridgeSide. It's a quick out and back along the Charles River that will have you in awe of...
5K Half Marathon
94
OCT
31

Bridgewater, MA
• 40.4 miles
$40 -$53
The spookiest race in Bridgewater is here — and we want everyone on that start line. Whether you're a seasoned runner, a casual jogger, or someone who just really loves a good costume, the GET...
5K
31
OCT
31

Londonderry, NH
• 30.6 miles
$45
A 5K/Walk to support Live Free Animal Rescue's mission to rescuing abandoned, neglected and traumatized dogs from southern states and our focus is high-risk dogs and puppies. Local owner...
5K
14
OCT
31

Melrose, MA
• 52.5 miles
$30 -$45
A family-friendly, professionally timed 5K in the YMCA of Metro North Road Race Series.
5K
76
NOV
1

Exeter, NH
• 41.2 miles
$40 -$45
USATF-sanctioned 5K run/walk in Exeter, NH honoring Navy SEAL SCPO Daniel R. Healy.
5K
53
NOV
1

Cumberland, RI
• 38.1 miles
$15 -$140
Our TrailFecta Series is BACK for its 8th great year!!! 3 amazing trail race events with FOUR registration options: 5k, 5 mile, both 5k and 5 mile, and multi-lap (full 4 hours) We also have a...
5K 5m
19
NOV
1

Lexington, MA
• 44.3 miles
$35 -$50
Annual charity road race in Lexington, MA funding local nonprofits.
1m 5K 10K
28
NOV
1

Henniker, NH
• 31.8 miles
$5 -$50
Hugs From Vets Trail 10K-ishRun for Those Who Served🍁 November 1 | Henniker, NH 🍁 Lace up your running shoes and join us for the Hugs From Vets Trail 10K-ish, a fun and challenging race that...
15
NOV
1

Ipswich, MA
• 25.1 miles
$39 -$109
Come enjoy beautiful ocean views as you run along the scenic coastline of Great Neck! On the course you'll race past some of the oldest and most historical homes (pre-revolution) in the entire...
5K Half Marathon
102