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Big Fun Run 5K

The run series that’s strictly for fun!

Throughout the UK

The Big Fun Run has gone virtual!

So if you’re just beginning your journey to improve your fitness, and are looking for a relaxed, friendly and fun challenge to help motivate you, then Big Fun Run is for you.

It’s your challenge and your rules, so you choose a distance and pace to suit you, with the option to split your challenge over multiple days if you wish.

The main thing is to get active and have fun, all whilst raising funds to help fight lung disease.

For more information, or if you’ve got any questions, please email

Team breathe supporting cyclists

What you'll get

  • Support and help from our events team whenever you need it

  • Fundraising kit full of goodies

  • Bespoke training support from our coaches


Get in touch

Let us know if you've got a question, comment or suggestion.