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Half Marathons Found In Chelmsford

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Half Marathons in Chelmsford 2026 - 2027

The most comprehensive list of Half Marathons in and near Chelmsford in 2026 - 2027. Find your perfect race!

The Chelmer and Blackwater Navigation runs from Chelmsford to the coast at Heybridge Basin, just over 13 miles of flat, traffic-free towpath. Running it out and back in sections gives you the kind of long, uninterrupted miles a half marathon training block needs without any navigation decisions to make. Central Park and Admiral's Park are the shorter options in the city centre. Still building fitness? Explore 10K runs in Chelmsford first.

Have a browse through the listings below. Hylands Park is a large estate on the edge of the city that gives you a different kind of run from the towpath, with more space and a parkland character that breaks up the flat miles. Marathons in Chelmsford are there when you're ready to go further.

Looking for more options?

Explore half marathons across the East of England with half marathons in Basildon, half marathons in Bedford or half marathons in Cambridge.

Race Calendar: Half Marathons Found In Chelmsford

Colchester Half Marathon

The JobServe Community Stadium, United Way, Colchester, CO4 5UP
Sun 14 Mar 27
Free - £40.00

Battersea 5k, 10k & Half Marathon

London
Sat 27 Mar 27
£34.00 - £40.00

Battersea Park Half Marathon - March 2027

Battersea Park next to the Bandstand - SW11 4NJ
Sun 28 Mar 27
£33.11
4.6

London Landmarks Half Marathon

London, Greater London
Sun 04 Apr 27
£35.00
4.5

Circuit Du Sore Legs

Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
Sun 23 May 27
£29.00 - £38.00

Farmmageddon

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 29 May 27 - Sun 30 May 27
£35.00 - £165.00

Hertfordshire Half Marathon & 10k

Knebworth, Hertfordshire
Sun 07 Nov 27
£33.00 - £38.00
4.5

World Cup 2026 Run

Thu 11 Jun 26 - Sun 19 Jul 26
£16.00

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