There are 386 running races in Massachusetts in 2026 across 192 cities. The next upcoming race is the 2026 Unified 5K - Hyannis in Hyannis on April 22. Popular distances include 5K races, half marathons, trail runs.

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Nantucket Triathlon

Sat, Jul 18 · Nantucket, MA Nantucket
Triathlon Individual - AquaBikeIndividual - TriathlonRelay Team (2 or 3 person)

Poppy Road Race 2026

Sat, Jul 18 · Popponesset, MA Popponesset
Road Poppy Road Race 2026Poppy Road Race Kid Run 2026 (ages 8-12)Poppy Road Race Munchkin Run 2026 (7 and under) +2

APPLEMAN TRIATHLON/DUATHLON/AQUABIKE CHARITY RACE

Sun, Jul 19 · Littleton, MA Littleton
Triathlon AquaBike .5 Mile Swim and 10 Mile BikeDuathlon (1.5 Mile Run, 10 Mile Bike, 3 Mile Run)Sprint Triathlon Relay (.5 Mile Swim, 10 Mile Bike, 3 Mile Run) - ONLY ONE RELAY MEMBER NEEDS TO REGISTER! SEE NOTE BELOW! +1

UltraTrax Wachusett

Sun, Aug 30 · Princeton, MA Princeton
Road Level 1: 7-Mile CourseLevel 2: 14-Mile CourseLevel 3: 21-Mile Course +1