Flat Half marathons in East of England
Find flat half marathons in East of England in 2026/2027 - 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 8 Mar
- £20-£35
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.
- 13.1 miles road running
- Sun 22 Mar
- £36-£38
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.
- 13.1 miles road running + 79 ft ascent
- Sun 31 May
- £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?
- 13.1 miles track and field
- Sun 16 Aug
- £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!
- 13.1 miles road running + 180 ft ascent
- Sun 6 Sep
- £35-£37
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.
- 13.1 miles road running + 59 ft ascent
- Sun 11 Oct
- £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.
- 13.1 miles road running + 331 ft ascent
- Sun 11 Oct
- £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.
- 13.1 miles road running + 65 m ascent
- Sun 1 Nov
- From £33
ATW Bedford Half Marathon
Chase your personal best on one of the UK’s flattest, fastest and most scenic courses, looping the River Ouse and Priory Park in a spectacular Bedford Half Marathon.
- 21.1 km road running
- Sat 7 Nov
- From £34
ATW Remembrance Runs | Half Marathon
Join ATW for the Half Marathon Remembrance Run at The Carver Barracks, (Formerly Debden Airfield), in Essex to help honour our fallen heroes and raise money for this fantastic military charity.
- 13.1 miles road running + 89 ft ascent
- Sun 15 Mar
- £22-£25
Cambridge Boundary Run | Half Marathon
- 13.1 miles trail running
- Sun 19 Apr
- £26
Northstowe Half & Toms Trust 5K | Northstowe Half Marathon
- 13.1 miles multi terrain running