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Trail Running Calendar near Somerville 2025-2026

Monthly updates for Somerville

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

Explore the top trail runs near Somerville for 2025-2026! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
7-8
Sa - Su

Tarctic Frozen Yeti

Trail Run 15 mi 30 hr
March 2026
Mar
21
Sa

Tarc to Hale and Back

Trail Run 4 mi 6 hr
April 2026
Apr
11
Sa

Merrimack River Trail Race

Trail Run 10 mi
Apr
11
Sa

Spring Fever 5K | 5M | 8H

Trail Run 5 km 5 mi
Apr
25
Sa

TARC Spring Classic

Trail Run 10 km Half Marathon Marathon 50 km
May 2026
May
30
Sa

Wildcat 5K Trail Run-Walk-Wag

Trail Run 5 km
June 2026
Jun
13
Sa

Flat Rock Trail Race

Trail Run 5 mi 6 hr
July 2026
Jul
11
Sa

TARC Blue Hills Skyline Trail Run

Trail Run 12 km
August 2026
Aug
8
Sa

Tarc Summer Classic

Trail Run 10 mi 50 km 40 mi
September 2026
Sep
5
Sa

TARC Fall Classic

Trail Run 10 km Half Marathon ... 50 km 50 mi
October 2026
Oct
4
Su

Groton Town Forest Trail Races

Trail Run 3 mi 10 mi
Oct
11
Su

Wayland / HFC Striders XC Festival

Trail Run 3 km 5 km
Oct
24
Sa

Womp Romp

Trail Run 10 mi 50 km
November 2026
Nov
7
Sa

TARC Stone Cat Trail Festival

Trail Run 10 km Half Marathon ... 50 mi 100 km
December 2026
Dec
5
Sa

TARC Winter Classic

Trail Run 8 mi 32 mi 40 mi