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 12 Oct
- £30-£44.50
Chelmsford Marathon & Half Marathon | Half Marathon
Don't miss out on one of the biggest running events in Essex; it's something special! Join runners as they go race, run, jog, and walk through Central Park and into the Essex countryside.
- Enter online
- Flat
- Age 17 & over
- 13.1 miles road running + 380 ft ascent
- Sun 12 Oct
- £37-£39
AEPG Great Eastern Run | Half Marathon
Thousands of runners of all abilities and ages will be welcomed back to the streets of Peterborough City Centre, for the return of the Great Eastern Run!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 65 m ascent
- Sat 1 Nov
- £33-£35
Catherine Wheel Canter | Half Marathon
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete a half marathon over multiple laps of the 400m circuit - and how fast you can do it.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 13.1 miles track and field
- Sat 1 Nov
- £33-£35
Guy Fawkes Gallop | Half Marathon
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete a half marathon over multiple laps of the 400m circuit - and how fast you can do it.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 13.1 miles track and field
- Sun 2 Nov
- £35-£37
ATW Blues Foundation 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 or 10K while supporting the Blues Foundation.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 21.1 km road running + 0 ft ascent
- Sat 8 Nov
- £35-£37
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.
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running + 89 ft ascent
- Sun 23 Nov
- £35-£37
Larking Gowen Norwich Half Marathon
Join the return of this much-loved half marathon in the heart of Norfolk, taking place this autumn on flat, fast, closed roads and complete with an awesome Event Village and medal!
- Wheelchair users
- Chip timing
- Enter online
- Flat
- Event village
- Urban
- Rural
- Age 17 & over
- 13.1 miles road running
- Sun 22 Feb 2026
- £34-£36
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
- 7 charities
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
- £32-£34
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 19 Apr 2026
Northstowe Half & Toms Trust 5K | Northstowe Half Marathon
- 13.1 miles multi terrain running