Challenge Events
Whether you're a keen marathon runner, a cross-country cyclist, or just starting out with a 5k run, we'll have an event for you. Browse the events below and take up the challenge for our city trees!
Featured Events!
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Edinburgh Marathon
30th May 2021
Take on the UK's fastest marathon and enjoy unmatched scenery as you run.
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Brighton Marathon
12th September 2021
Take on the Brighton Marathon and raise money for our city trees.
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Hackney Half
26th September 2021
Sign up to secure your place in the Hackney Half 2020, East London's coolest and biggest running event of the year.
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Sheffield Half Marathon
26th September 2021
Take on one of the UK's toughest half marathons.
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Greater Manchester Marathon
10th October 2021
Join 20,000 people running through the streets of Manchester in the UK's 2nd biggest marathon event.
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Royal Parks Half
10th October 2021
Tour London's Royal Parks this autumn and raise money for a greener city
Find events in your area
We have places in hundreds of events across the UK and internationally! Find your area below to see what's coming up...
Run for the Trees
As well as the in-person events listed above, you can run your own virtual event for our urban trees around your local area - find out more here.