Upcoming Races in Marlborough

Endurance Grid lists 6 races in Marlborough, Connecticut, from July 2026 to May 2027.

6
Upcoming races
3
Sports covered

Host City

About Marlborough, CT

City Elevation

522 ft

Nearest Airport

BDL

Bradley International Airport

Time Zone

Eastern Time

Races in Marlborough, CT

Explore and filter upcoming endurance races in Marlborough, Connecticut on the map below — by sport, distance, price, or month.

6 races in Marlborough

July 2026 Marlborough, Connecticut Races

2 upcoming races in Marlborough, Connecticut in July.
Jul
16
Thu
Triathlon
Lake Terramuggus Sprint Triathlon #3
Blish Park, Marlborough, CT
Sprint
Avg 85° / 66°·522 ft city elevation
Jul
30
Thu
Triathlon
Lake Terramuggus Sprint Triathlon #4
Blish Park, Marlborough, CT
Sprint
Avg 85° / 66°·522 ft city elevation

August 2026 Marlborough, Connecticut Races

1 upcoming race in Marlborough, Connecticut in August.
Aug
15
Sat
Triathlon
Lake Terramuggus Olympic Triathlon
Blish Park, Marlborough, CT
Olympic
Avg 83° / 65°·522 ft city elevation

September 2026 Marlborough, Connecticut Races

1 upcoming race in Marlborough, Connecticut in September.
Sep
27
Sun
Swimming
Central CT Open Water Swim
32 Park Road, Marlborough, CT
5K
Avg 71° / 51°·522 ft city elevation

October 2026 Marlborough, Connecticut Races

1 upcoming race in Marlborough, Connecticut in October.
Oct
25
Sun
Running
Masquerade 5K
Blish Park, Marlborough, CT
5K
Avg 60° / 41°·522 ft city elevation

May 2027 Marlborough, Connecticut Races

1 upcoming race in Marlborough, Connecticut in May.
May
30
Sun
Running
Marlborough Lions Club Round The Lake 5K
Blish Park, Marlborough, CT
5K
Avg 75° / 54°·522 ft city elevation

Just Outside Marlborough

Races near Marlborough

Rails to Trails
Fri, Jul 10
7 Summit Street, East Hampton, CT
5 mi away
5K for Ballet!
Sun, Oct 25
Haddam Neck Fairgrounds 26 Quarry Hill Road, East Hampton, CT
5 mi away
Andover Norton Commission Trick or Trot 5K Run/Walk
Sat, Oct 24
35 School Rd, Andover, CT
8 mi away
Pirate's Beer Run! - A 0.5k Run For Cancer
Sat, Jul 11
Hop Culture Farms & Brew Co, Colchester, CT
8 mi away
Run the Vineyards - Priam Vineyards 5K
Sun, Aug 9
Priam Vineyards, Colchester, CT
8 mi away
Salmon River 5.5 Mile Run
Sat, Oct 3
Comstock Bridge Road, Colchester, CT
8 mi away
Harvest Hope 5K
Sat, Oct 17
Junction of Route 6 & 44, Bolton, CT
9 mi away
East Haddam Sprint and Family Fun Triathlon
Sat, Aug 8
East Haddam Town Beach, Moodus, CT
9 mi away
RESERVOIR RUSH
Sat, May 15
East Haddam Town Beach, Moodus, CT
9 mi away
2nd Annual Rocky Hill 2M Run & Kids Run
Sat, Aug 15
376 Elm St, Rocky Hill, CT
10 mi away
Come on Over 5K and 2.1 Mile Fitness Walk
Sat, Sep 26
284 Brownstone Avenue, Portland, CT
10 mi away
Cromwell Riverport 5k
Sat, Sep 26
1 River Road, Cromwell, CT
10 mi away

Frequently Asked Questions (FAQs)

How many races are in Marlborough, Connecticut?+
Endurance Grid's Race Calendar lists 6 upcoming races in Marlborough, Connecticut, spanning 3 sports.
What kinds of races are held in Marlborough?+
Marlborough hosts running, swimming, and triathlon races.
Is there a race season in Marlborough?+
Races in Marlborough run throughout the year rather than in a single fixed season. Of the upcoming races on Endurance Grid's Race Calendar, the most are in July and May.
What race distances can you find in Marlborough?+
Upcoming races in Marlborough cover distances including 5K, Sprint, and Olympic.