Half Marathons Found In Chelmsford
View all ↓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