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Flat Road runs in Hertfordshire

Find flat road runs in Hertfordshire 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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Finish the year with a brand new PB and celebrate the arrival of a brand new year with a glass of fizz and a healthy twist at this New Year's Eve running extravaganza.
  • Wed 31 Dec
  • £28-£30
St Albans, Hertfordshire, UK

ATW St Albans New Years Eve 10K

Finish the year with a brand new PB and celebrate the arrival of a brand new year with a glass of fizz and a healthy twist at this New Year's Eve running extravaganza.

  • Families
  • Recycling
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • 10 km road running + 92 ft ascent
Chase your next PB at the ATW Hatfield 10K — a fast, scenic route on the Alban Way with free photos, medals, and unbeatable race-day energy with exciting perks!
  • Sun 11 Jan 2026
  • £27-£29
Hatfield, Hertfordshire, UK

ATW Hatfield 10K

Chase your next PB at the ATW Hatfield 10K — a fast, scenic route on the Alban Way with free photos, medals, and unbeatable race-day energy with exciting perks!

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Age 15 & over
  • 10 km road running + 39 ft ascent
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
ATW brings you the St Albans Summer 10K with a twist! Flat, fast and chip-timed with pacers to help you achieve a PB, plus buzzing event village for all the family with music, play zone and ice cream.
  • Sun 19 Jul 2026
  • £26-£28
St Albans, Hertfordshire, UK

ATW St Albans Summer 10K

ATW brings you the St Albans Summer 10K with a twist! Flat, fast and chip-timed with pacers to help you achieve a PB, plus buzzing event village for all the family with music, play zone and ice cream.

  • Families
  • Beginner-friendly
  • Entertainment
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Park
  • Age 15 & over
  • 10 km road running + 108 ft ascent
  • Sat 21 Mar 2026
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running

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