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Fun runs with Fancy dress in UK in September 2026

Find fun runs with fancy dress in UK in September 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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Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!
  • Sun 13 Sep 2026
  • £12
Richmond, UK

Richmond RUN-FEST | Kids and Family Mile

Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!

  • Chip timing
  • Flat
  • Traffic free
  • Fancy dress
  • Age 3-16
  • 1 mile multi terrain running
Run for fun at the Windsor Half Marathon! A short run for ages 5-9 on the grass alongside the Long Walk which you can come and enter on the day.
  • Sun 27 Sep 2026
  • £0.50
Windsor, Berkshire, UK

Windsor Half Marathon | Sprite Sprint

Run for fun at the Windsor Half Marathon! A short run for ages 5-9 on the grass alongside the Long Walk which you can come and enter on the day.

  • Flat
  • Traffic free
  • Fancy dress
  • Age 5-9
  • 40 m road running
Have you got any ‘little monsters’ in your family who would enjoy their own piece of the action at the Loch Ness Marathon and Festival of Running?
  • Sun 27 Sep 2026
  • £6
Inverness, Highland, UK

Baxters Loch Ness Marathon and Festival of Running | Wee Nessie

Have you got any ‘little monsters’ in your family who would enjoy their own piece of the action at the Loch Ness Marathon and Festival of Running?

  • Flat
  • Traffic free
  • Fancy dress
  • Age up to 5
  • 800 m road running
  • Sun 13 Sep 2026
Dorking, Surrey, UK

Bacchus Fun Run

  • 2 km trail running
  • Sun 27 Sep 2026
Nottingham, Nottinghamshire, UK

Robin Hood Half & Mini Marathon | Mini Marathon

  • 1.5 miles road running

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