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Marathons Found In Chelmsford

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Marathons in Chelmsford 2026 - 2027

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

Chelmsford is mostly flat, and for many runners, that’s a selling point. The River Chelmer towpath and the Chelmer and Blackwater Navigation give you miles of uninterrupted running without a hill in sight, which comes in handy when you're deep into a long training block. Hylands Park adds a bit of variety - it's a proper estate with enough space to do loops without going stir-crazy. Over 26.2 miles, flat ground is a gift. Not quite ready for the full thing? Half marathons in Chelmsford are a good place to find out.

Have a look through the listings below and find one that suits. If you're chasing a time, Chelmsford gives you a fair shot; there's nothing in the geography that's going to cost you minutes you didn't plan for. If you want to build up first, 10K runs in Chelmsford and 5K runs in Chelmsford are worth a look.

Looking for more options?

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

Race Calendar: Marathons Found In Chelmsford

Cock-a-doodle Dawdle - 5k,10k, Half Marathon, Full Marathon or Ultra Marathon

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 27 Jun 26
£29.00 - £38.00

Chelmsford Marathon & Half Marathon

Central Park, Chelmsford, Essex, CM2 0FQ.
Sun 11 Oct 26
£40.08 - £72.60

BATTERSEA PARK RUNNING FESTIVAL

London
Sat 24 Oct 26
£12.00 - £47.00
4.5

H&T Running: Remembrance Sunday 2026

Colchester, Essex
Sun 08 Nov 26
£23.50 - £40.00

Moo-rathon, Calf and Hen K

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 13 Mar 27
£29.00 - £38.00

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

World Cup 2026 Run

Thu 11 Jun 26 - Sun 19 Jul 26
£16.00

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