Hillingdon 20

The Hillingdon 20, previously known as the Finchley 20, is the UK's longest-running 20-mile race, serving as an excellent preparation event for the London Marathon and other spring marathons. This challenging road race features a well-marshalled route with over 70 supporters cheering participants on. The event includes chip timing for personal results, professional medical support, and amenities such as changing rooms and refreshments at the Hillingdon Athletic Club.

Cash prizes are awarded for top finishers in various categories, including the Hertfordshire 20 Mile Championships for eligible residents. Visit the organization's website for the most recent information.