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Flat Road runs in East of England in Spring

Find flat road runs in East of England in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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.
  • Sun 8 Mar 2026
  • £20-£35
  • 1 charity
Cambridge, Cambridgeshire, UK

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
  • Beginner-friendly
  • 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
This disused airfield has a fast, flat, tarmac course with no sharp corners, and the surrounding tree cover makes for relatively still conditions on most days - but your PB or run stress-free.
  • Sun 15 Mar 2026
  • £16-£27
Saffron Walden, Essex, UK

ATW Debden 10K and 5K

This disused airfield has a fast, flat, tarmac course with no sharp corners, and the surrounding tree cover makes for relatively still conditions on most days - but your PB or run stress-free.

  • Families
  • Recycling
  • Beginner-friendly
  • Event village
  • Sustainability policy
  • Age 11 & over
  • 5K run
  • 10K run
The Essex 20 is held annually and is an ideal 20-mile race for the build-up to Marathon season, set over a 5-lap, flat, fast, tarmac course. Also hosting the Essex County Road Running Championships.
  • Sun 15 Mar 2026
  • £22-£34
Saffron Walden, Essex, UK

Essex 20

The Essex 20 is held annually and is an ideal 20-mile race for the build-up to Marathon season, set over a 5-lap, flat, fast, tarmac course. Also hosting the Essex County Road Running Championships.

  • Recycling
  • Beginner-friendly
  • Event village
  • Sustainability policy
  • Age 18 & over
  • Road run 2
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.
  • Sun 22 Mar 2026
  • £26-£36
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley

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.

  • Recycling
  • Beginner-friendly
  • Event village
  • Park
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • 10K run
  • Half marathon
A flat, fast and chip timed event - it's a sure-fire guarantee to give you the best chance of a PB in the 10K.
  • Fri 3 Apr 2026
  • £28-£30
St Albans, Hertfordshire, UK

ATW St Albans Easter 10K

A flat, fast and chip timed event - it's a sure-fire guarantee to give you the best chance of a PB in the 10K.

  • Families
  • Recycling
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • 10 km road running + 108 ft ascent
A free 400m Children’s Fun Run will take place on the running track 30 mins before the half-marathon start - no need to book, just turn up. Parents are welcome to run with their kids and warm up!
  • Mon 6 Apr 2026
  • FREE
Stevenage, Hertfordshire, UK

ATW Stevenage Spring 400M Childrens Fun Run

A free 400m Children’s Fun Run will take place on the running track 30 mins before the half-marathon start - no need to book, just turn up. Parents are welcome to run with their kids and warm up!

  • Flat
  • Traffic free
  • All ages
  • 400 m track and field
  • Sat 21 Mar 2026
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running
  • Sun 3 May 2026
King's Lynn, Norfolk, UK

Bespak GEAR 10K

  • 10 km road running + 9 m ascent
  • Sun 10 May 2026
Colchester, Essex, UK

Colchester 10K

  • 10 km road running + 164 ft ascent

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