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Fun runs in Hertfordshire in September 2025

Find fun runs near me in Hertfordshire in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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A fun 400m run around the sports track just before the half marathon itself - the kids will love it! The parents will love it as a warm up and because it's free.
  • Sun 29 Sep
  • FREE
  • Sun 29 Sep
  • FREE
Welwyn Garden City, Hertfordshire, UK

ATW Welwyn Half Marathon | Children’s Fun Run

A fun 400m run around the sports track just before the half marathon itself - the kids will love it! The parents will love it as a warm up and because it's free.

  • Flat
  • PB
  • Traffic free
  • All ages
  • 400 m
Active Training World's popular Family Halloween Trail event returns!
  • Thu 31 Oct
  • £7
  • Thu 31 Oct
  • £7
Northwood, Hertfordshire, UK

ATW Family Halloween Trail

Active Training World's popular Family Halloween Trail event returns!

  • Families
  • Newcomers
  • Enter online
  • Fancy dress
  • Event village
  • All ages
  • 2 km trail running
A free 400m children's fun run for children of runners in the 10K or half marathon events taking place in the morning on the athletics track.
  • Sun 8 Dec
  • FREE
  • Sun 8 Dec
  • FREE
Stevenage, Hertfordshire, UK

ATW Stevenage Winter Half Marathon & 10K | Family Fun Run

A free 400m children's fun run for children of runners in the 10K or half marathon events taking place in the morning on the athletics track.

  • Flat
  • Traffic free
  • All ages
  • 400 m
This popular event has a strong history within the running community and has been taking place for over 40 years. Join a day of running, community spirit and exciting experiences!
  • Sun 2 Feb 2025
  • £10-£12
  • Sun 2 Feb 2025
  • £10-£12
Watford, Hertfordshire, UK

ATW Watford Family Fun Run

This popular event has a strong history within the running community and has been taking place for over 40 years. Join a day of running, community spirit and exciting experiences!

  • Enter online
  • Undulating
  • All ages
  • 1.8 km road running
A community focused event, ATW St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family, delivered by runners for runners.
  • Sun 8 Jun 2025
  • £10
  • Sun 8 Jun 2025
  • £10
St Albans, Hertfordshire, UK

ATW St Albans 1.5 Mile Fun Run

A community focused event, ATW St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family, delivered by runners for runners.

  • Enter online
  • Fancy dress
  • All ages
  • 1.5 miles road running
  • Sun 22 Sep
Northwood, Hertfordshire, UK

Moor Park 10K & Fun Runs | Junior Fun Runs - Under 7s 850M

  • 850 m road running
  • Sun 22 Sep
Northwood, Hertfordshire, UK

Moor Park 10K & Fun Runs | Junior Fun Runs - Under 10s 1.3K

  • 1.3 km road running
  • Sun 22 Sep
Northwood, Hertfordshire, UK

Moor Park 10K & Fun Runs | Junior Fun Runs - Under 12s 2.6K

  • 2.6 km road running
  • Sun 22 Sep
Northwood, Hertfordshire, UK

Moor Park 10K & Fun Runs | Junior Fun Runs - Under 15s 3.9K

  • 3.9 km road running
  • Sun 6 Oct
St Albans, Hertfordshire, UK

The Herts 10K, 5K and Fun Run | Fun Run

  • 1.5 km road running
  • Sun 6 Oct
Abbots Langley, Hertfordshire, UK

Abbots Langley Ten Tough | The Park Run

  • 1 km road running
  • Sun 6 Oct
Abbots Langley, Hertfordshire, UK

Abbots Langley Ten Tough | 3K Fun Run

  • 3 km road running
  • Sun 13 Oct
Hatfield, Hertfordshire, UK

Willow 10K | Family Fun Run

  • 1.8 km road running
  • Sun 13 Oct
Bishop's Stortford, Essex, UK

Manuden 10K | 1K

  • 1 km multi terrain running
  • Sun 20 Oct
Much Hadham, Hertfordshire, UK

MITRE 10K & 5K Run | 1K Fun Run

  • 1 km road running
  • Sun 1 Dec
St Albans, Hertfordshire, UK

Rudolph Run | 1.5K Fun Run

  • 1.5 km road running
  • Sat 7 Dec
Berkhamsted, Hertfordshire, UK

Wild Christmas Charity Run | 4K Christmas Walk

  • 4 km trail running

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