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Running Calendar near Waterbury 2026-2027

Monthly updates for Waterbury

Get new running races (and updates) in your inbox every month.

Explore the top running races near Waterbury for 2026-2027! We've gathered 78 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
April 2026
Apr
25
Sa

Gilbert Joseph & Brian 5K

3 mi
Apr
26
Su

Jack Bristol Lake Waramaug Ultra Races

Trail Run 50 km 50 mi 100 km
May 2026
May
3
Su

Edmund Ganem Memorial 5K Run/Walk

5 km
May
3
Su

The Blue 2 Blue Challenge

Trail Run 50 km
May
9
Sa

CT Race in the Park

4 km 5 km
May
10
Su

WeCare-Mother's Day 5K

5 km
May
16
Sa

Forgotten Forest Ultra Run - Stratford, CT

Backyard Ultra 2 mi 9 hr
May
16
Sa

Run Ragged Last One Standing

Backyard Ultra 3 mi
May
16
Sa

Dan the Man 5K Run/Walk for ALS

5 km
May
23
Sa

Hamden Hills Half Marathon & Flat 5K

5 km Half Marathon
May
24
Su

Mine Hill Half Marathon

Trail Run Half Marathon
May
25
Mo

Oh Boy 5K

5 km
June 2026
Jun
4-7
Th - Su

Ironhike Endurance Series - Spring

Trail Run 15 mi 28 mi ... 100 mi 152 mi
Jun
6
Sa

SongStrong

5 km
Jun
6
Sa

Hamden Fest Half Marathon

5 km Half Marathon
Jun
7
Su

Brookfield Lions Strides to Cure Diabetes 5-Miler

5 mi
Jun
7
Su

Run in the Park 5K

Trail Run 5 km
Jun
13
Sa

Gaylord Gauntlet

Obstacle Run 5 km
Jun
13
Sa

Rooster Run

5 km 10 km
Jun
14
Su

Litchfield Hills Road Race

7 mi