Hillingdon 20 Entries Open!

Welcome to the Hillingdon 20 Mile Race page!

Sunday 23rd March 2025

The Hillingdon 20, (formerly the Finchley 20), is the longest-running 20-mile race in the UK. Excellent preparation for the London marathon.

Cash prizes are available for 1st, 2nd & 3rd places in both male and female categories.

The race HQ is Hillingdon Athletic Club, 206 Bury Street, Ruislip HA4 7TJ. There will be a secure baggage area plus refreshments, toilets and showers available

With over 70 marshals on course, you won’t be short of support! There will be 2 water stations per lap.

There are a large number of free parking spaces at the crematorium. Limited pay and display parking is available nearby at Ruislip Lido. The nearest station is Ruislip Station. More details can be found below.

Entries are now open, from £28!

Do you have any exciting news to share? Get in touch!

Whether it’s a new personal best, a highlight from a recent event or a parkrun! Share your stories with us by tagging us in your social media posts, dropping us a message or send us an email!

Check out our latest news!

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Do you have any exciting news to share? Get in touch!

Whether it’s a new personal best, a highlight from a recent event or a parkrun! Share your stories with us by tagging us in your social media posts, dropping us a message or send us an email!

Check out our latest news!

Big Dog Backwood Challenge

It was great to see such an awesome turnout of 68 runners and walkers participating in the inaugural Big Dog Backwood Challenge on Saturday 5th July.

Read More