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Trail Running Calendar near Marlborough 2026-2027

Monthly updates for Marlborough

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

Explore the top trail runs near Marlborough for 2026-2027! We've gathered 21 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
14
Sa

F.I.T. 'Rock Trail Race

Trail Run
Mar
21
Sa

Tarc to Hale and Back

Trail Run 3 mi 6 hr
April 2026
Apr
25
Sa

TARC Spring Classic

Trail Run 10 km 13 mi 26 mi 50 km
Apr-Oct
25-24
Sa

Farm to Trail 5K Series

Trail Run 5 km
Apr
25
Sa

Radish Rambler 5k

Trail Run 5 km
May 2026
May
9
Sa

Tarc Wapack and Back

Trail Run 22 mi 43 mi 50 mi
May
20-21
We - Th

4K Trail Run

Trail Run 4 km
May
25
Mo

Powisset Farm Trail Run - Spring

Trail Run 2 mi 3 mi 6 mi 8 mi
May
31
Su

Live Free Fun Run and Festival

Trail Run 3 mi
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
Aug
15
Sa

Watermelon Wobbler 5k

Trail Run 5 km
Aug
23
Su

Old Goat Track Club XC Classic

Trail Run 5 km
September 2026
Sep
5
Sa

TARC Fall Classic

Trail Run 10 km Half Marathon ... 50 km 50 mi
Sep
5
Sa

Veterans Count Nashua 5k Fun Run & Walk

Trail Run 5 km
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
17-18
Sa - Su

Ghost Train Trail Races

Trail Run 8 mi 15 mi 30 mi 30 hr
Oct
24
Sa

Pumpkin Pacer 5k

Trail Run 5 km