Flat Half marathons in East of England
Find flat half marathons in East of England in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 22 Feb 2026
- £36-£38
ATW Bedford Half Marathon
This chip timed event is a sure-fire guarantee to give you the best chance of a PB in the Half Marathon.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 21.1 km road running + 0 ft ascent
- Sun 8 Mar 2026
- £20-£35
- 1 charity
TTP Cambridge Half Marathon
Run 13.1 unforgettable miles through Cambridge’s historic streets and iconic University grounds on a flat, fast-paced course perfect for supporting a charity cause and chasing a personal best.
- Recycling
- Newcomers
- Chip timing
- Enter online
- Flat
- Traffic free
- Fancy dress
- Event village
- Urban
- Park
- Rural
- Sustainability policy
- Public transport links
- Age 17 & over
- 13.1 miles road running
- Sun 22 Mar 2026
- £34-£36
ATW Run Fest at Lee Valley | Half Marathon
Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 79 ft ascent
- Sun 31 May 2026
- £34-£36
Circuit Du Sore Legs | Half Marathon
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 18 & over
- 13.1 miles track and field
- Sun 16 Aug 2026
- £31-£33
Clacton Half Marathon
It's the crash of waves and the sea-salt that lingers in the cool coastal air. It's your moment to fly along the promenade in this cracking half marathon. It's a seaside racing extravaganza!
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles road running + 180 ft ascent
- Sun 6 Sep 2026
- £32-£34
Bedford Half Marathon
13.1 miles of traffic free, stunning Bedfordshire countryside followed by a festival village with live music, street food, yoga, entertainment and more at the unforgettable post-race party.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running + 59 ft ascent
- Sun 11 Oct 2026
- £36-£54
Chelmsford Half Marathon
Don't miss out on one of the biggest half marathons in Essex; it's something special! Join runners as they go race, run, jog, and walk through Central Park and into the Essex countryside.
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles road running + 331 ft ascent
- Sun 11 Oct 2026
- £38-£40
AEPG Great Eastern Run | Half Marathon
Race through historic streets and vibrant crowds, chasing your personal best on a fast, flat course and experience electrifying support and unforgettable moments in this celebrated running challenge.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 65 m ascent
- Sun 19 Apr 2026
Northstowe Half & Toms Trust 5K | Northstowe Half Marathon
- 13.1 miles multi terrain running