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Half Marathon calendar near Chelmsford 2025-2026

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Explore the top half marathons near Chelmsford for 2025-2026! We've gathered 26 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
22
Sunday

Dartford Half Marathon

13 mi
March 2026
Mar
1
Sunday

Chelmsford Half Marathon

5 km 10 km 13 mi
Mar
8
Sunday

Colchester Half Marathon

13 mi
Mar
21
Saturday

ZigZag - Moo-rathon, Calf and Hen K at the Farm

Trail Run 10 km 21 km 42 km
Mar
22
Sunday

ATW Run Fest at Lee Valley

10 km 13 mi
April 2026
Apr
19
Sunday

Saltmarsh Half Marathon

13 mi
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