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Obstacle Race Calendar near Chelmsford 2025-2026

Explore the top obstacle runs near Chelmsford for 2025-2026! We've gathered 45 exciting races in the area. Check out our detailed list below to find your next local race.

April 2025
Apr
19
Saturday

TRUE Marathon

26 mi
Apr
19
Saturday

Ipswich Ale Half Marathon

13 mi
Apr
19
Saturday

Lexington Lions Patriots Day 5 Mile Road Race

5 mi
Apr
21
Monday

Boston Marathon

26 mi
Apr
26
Saturday

TARC Spring Classic

Trail Run 10 km 13 mi 26 mi 50 km
Apr
26
Saturday

Rally for Research

5 km
Apr
26
Saturday

Not a Walk in the Park 5K

5 km
Apr
26
Saturday

Winthrop Little League 5k

5 km
Apr
26
Saturday

Muddy Paws 5k

5 km
Apr
27
Sunday

NM Cares 5k Run-Walk

5 km
Apr
27
Sunday

Greater Beverly YMCA Rhino Run 10K

10 km
Apr
27
Sunday

Run BXB

5 km
Apr
27
Sunday

The Bionic 5K

5 km
Apr
27
Sunday

James Joyce Ramble 10 Km

10 km
May 2025
May
3
Saturday

Run the Rail Trail 5-Miler

4 mi
May
3
Saturday

Bulfinch Bee Run

5 km
May
3
Saturday

Cancer Doesn't Care But WE Do 5K

5 km
May
3
Saturday

St. Stephen's Armenian Elementary School 5k

5 km
May
4
Sunday

Cahill 5k Race

5 km
May
4
Sunday

Step Up for Colleen 5K

5 km
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