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Running calendar near Chelmsford 2025-2026

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Explore the top running races near Chelmsford for 2025-2026! We've gathered 42 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
22
Saturday

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

Trail Run 10 km 13 mi 26 mi
Mar
23
Sunday

ATW Run Fest at Lee Valley

10 km 13 mi
Mar
24
Monday

Wivenhoe Trail Run

Trail Run 5 mi
Mar
29
Saturday

London Lea Valley Ultra

50 km
Mar
29
Saturday

Gratitude 25km

Trail Run 25 km
Mar
30
Sunday

Dave Wrights Colchester 15 Mile

7 mi 15 mi
Mar
30
Sunday

The Island Run

5 km 10 km
April 2025
Apr
6
Sunday

Saltmarsh Half Marathon

13 mi
Apr
13
Sunday

Camuplodunum

26 mi
May 2025
May
4
Sunday

The Two Castles Trails

Trail Run 21 km 42 km
May
10-11
Sa - Su

Rush Weekend - Nuclear Races

Obstacle Run 6 km 12 km
May
11
Sunday

Oblivion Extreme - Nuclear Races

Obstacle Run 12 km
May
11
Sunday

HSV Sprint Triathlon

Triathlon
May
11
Sunday

South Woodham Runners 10k

May
11
Sunday

Halstead & Essex Marathon

Trail Run 26 mi
May
17
Saturday

Essex Triathlons - Hanningfield Reservoir

Triathlon
May
17
Saturday

Brands Hatch - Fun Inflatable 5k Obstable Course

Obstacle Run 5 km 10 km 15 km
May
18
Sunday

Colchester Zoo Stampede

10 km
May
18
Sunday

The Maypole Project Chislehurst Half Marathon

13 mi
May
24-25
Sa - Su

Zig Zag Farmmageddon

Backyard Ultra 100 mi
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