Found 222 races near Suffolk County, MA

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5

Naugatuck, CT
• 58.3 miles
$30
5K race on mostly flat course along the Naugatuck River
5K
1
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Oxford, CT
• 54.1 miles
$30 -$45
Additional race information can be found at Blackhog - O2 Event Productions
5K
2
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Farmingdale, NY
• 28.7 miles
$13 -$40
Running event USATF certified course in Farmingdale
44
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Niantic, CT
• 35.9 miles
$25 -$35
Join in the 4th Annual Run for the Hills 5K event at the Oswegatchie Hills Nature Preserve in Niantic, CT
60
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Halesite, NY
• 26.2 miles
$20 -$50
The 9/11 Heroes Run 5K welcomes runners, ruckers, and walkers of all ages and fitness levels to honor the heroes of 9/11 and those who've served our nations since. We activate & unite communities...
5K
33
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6

Haddam, CT
• 46.9 miles
$18 -$20
Sunday, September 6, 2026 at  9:30 AMCourse: Starts and ends at the Fairgrounds with relatively flat country roads with two moderate declines and one steep incline. Entry Fee:Pre-registered: $18;...
5K
8
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Westbrook, CT
• 35.6 miles
$40 -$65
Please join us for the Ride with Hal! We’re here to ride in memory of those we have lost in the boat accident that occurred Labor day 2024, at the mouth of the Connecticut River in Old Saybrook....
5m 15m 35m
4
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7

New Haven, CT
• 32.4 miles
$10 -$90
Road with virtual option available and post-race festivities
2m 5K 20K Half Marathon
537
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12

Milford, CT
• 23.8 miles
$85
Our 16th Annual Event! 2025 ROAD RUNNERS CLUB OF AMERICA CONNECTICUT STATE CHAMPIONSHIP "The Half Marathon to do in Connecticut"voted by Active.com users THE COURSE Run along the beautiful...
Half Marathon
41
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12

Yorktown Heights, NY
• 46.8 miles
$40
Please join Paws Crossed Animal Rescue for our annual run/walk! Again this year, we are combining our 5K with our annual Paws Crossed Day! This is our anniversary event where we host vendors,...
5K
19
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12

West Haven, CT
• 26.4 miles
$25 -$45
THIS FALL'S NEWEST SEACOAST RUN & WALK is on TAP! JOIN US AT RIVA on the water in West Haven- famous for its dining, drinks and entertainment! RIVAGIVESBACK will be hosting this event.  Join us...
5K
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12

Newtown, CT
• 42.1 miles
$5 -$30
On September 12, 2026 we are very pleased to include Newtown Youth and Family Services as a beneficiary, alongside FAITH Food Pantry, of the 7th annual Run 4 Hunger and Health.  Newtown Youth and...
6
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13

East Islip, NY
• 20.3 miles
$45 -$75
Inclusion in Motion is a 6-hour endurance event at Heckscher State Park where athletes of all abilities come together to promote inclusion and defy limits.  Participants can run/walk solo, join a...
5K
7
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Oakdale, CT
• 54.6 miles
$30 -$45
The Montville Rotary Club and Montville Parks & Recreation Department, and the Montville Senior & Social Services Department have teamed up to sponsor the Annual Montville Race Day on Sunday,...
5K 10K
14
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Wallingford, CT
• 38.2 miles
$30 -$41
Stride to Provide 5K Run/Walk, presented by PTSMC Wallingford. 100% of net profit to benefit Master’s Manna, Inc., a Not for Profit  501-c-3 Corporation established in Wallingford, CT in 2006 to...
5K
4
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19

Deep River, CT
• 40.9 miles
$20 -$30
Deep River Parks & Recreation Department is proud to host The Run To The River 5K Road Race as part of the Deep River Family Day celebrations. The 5K race route is USATF certified and begins at...
5K
1
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19

Meriden, CT
• 39.9 miles
$20 -$35
ARC RUN 2026 Please join us for our largest fundraiser of the year to support our mission and community impact! The Arc Run 2026 includes two on-site races on September 19, 2026, as well as a...
5K 10K
57
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19

Old Lyme, CT
• 41.0 miles
$5 -$32
Bound for the Sound is 5k and 10k road race in Old Lyme, CT. Both courses start at popular Sound View Beach in Old Lyme, CT. The 10K is mostly flat with some gently rolling hills. The 5K is very...
1m 5K 10K
48
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19

Bozrah, CT
• 59.4 miles
$30
5k Road race and kids' fun run to benefit the Bozrah Fire Department.  Kids' Fun run starts at 9:00 am, 5k starts at 9:30 am! T shirts in proper size only guaranteed to the first 75 registrants.  
5K
3
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19

Katonah, NY
• 49.1 miles
$10 -$35
Race day registration will be available online only, right from your phone, as we’ve moved away from paper forms. Join us as we celebrate the 26th year of the KVIS Katonah Road Races! Participate...
1m 5K
7