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Running Calendar near Northborough 2026-2027

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Explore the top running races near Northborough for 2026-2027! We've gathered 162 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
September 2026
Sep
13
Su

Title 9 Women's Triathlon

Triathlon Individual AquaBike 0.25 10 mi Sprint 0.25 10 3.1 mi
Sep
13
Su

Dover Sherborn Boosters Triathlon

Triathlon Sprint 0.25 14.3 3.4 mi
Sep
13
Su

Charles River Marathon Invitational

26 mi
Sep
13
Su

NEPC Cool Kids 5k

Road Race 5 km
Sep
13
Su

Irish Cultural Centre 5K Road Race

5 km
Monthly updates for Northborough

Get new running races (and updates) in your inbox every month.
Sep
13
Su

TSF 5K for Rare Neuroimmune Disorders

3 mi
Sep
13
Su

GBTC XC Invite

Trail Run 5 km
Sep
13
Su

Rally for Spinale 5K

5 km
Sep
19
Sa

Lahey Cancer Institute 5K Walk & Run

Road Race 5 km
Sep
19
Sa

Bedford Day 5K

5 km
Sep
19
Sa

Advocates See Me 5K Run, Walk, and Roll

Road Race 5 km
Sep
19
Sa

Oktoberfest 5 Mile - Waltham

Road Race 5 km 5 mi
Sep
19
Sa

Walter V. Moynihan Town Day Three Miler

3 mi
Sep
19
Sa

Milford Road Race, Walk and Kids Fun Run

Road Race 5 km
Sep
20
Su

Millbury-Sutton KofC 5K

Road Race 5 km
Sep
20
Su

Glen Doherty Memorial Road Race

Road Race 5 km 10 km
Sep
20
Su

Littleton Road Race

Road Race 5 km
Sep
20
Su

Muddy Princess Boston

Obstacle Run 5 km
Sep
24
Th

RACE Cancer Summer Series

5 km
Sep
25-26
Fr - Sa

Run Medford

5 km 10 km
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