Hillingdon 20

MAR
22
2026
The Hillingdon 20 is a challenging hilly 20 mile road race near Ruislip, perfect as a spring marathon tune up and Britain’s longest running 20 mile event. Chip timing, medical cover and clubhouse facilities make it a well organised day.
Sun 22 Mar 2026
20 miles

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Event details

The Hillingdon 20 is a 20 mile road race organised by Hillingdon Athletic Club at 206 Bury Street, Ruislip HA4 7TJ. The race is described as hilly and positioned as a build-up for the London or other spring marathons. It is formerly known as the Finchley 20 and is presented as the longest-running 20-mile race in the UK. The event includes chip timing, professional medical support, and more than 70 marshals positioned along the route. Changing rooms, showers and refreshments are available at the Hillingdon AC clubhouse.

Competition, prizes and logistics

This event will feature the Hertfordshire 20 Mile Championships. To be eligible for the championships, entrants must have been born in Hertfordshire or have been a resident for nine months, and must state eligibility during registration. Cash prizes are listed for the first three places in male and female categories (1st £150, 2nd £100, 3rd £50) and additional prizes for age categories including first over 40 and veterans (V50, V60) with amounts of £50. Parking is available free at the crematorium, with limited pay-and-display at Ruislip Lido. The nearest station is Ruislip Station. The next scheduled race date is 22/03/2026. Visit the organization's website for the most recent information.

20 mi
20 Miles

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