Sunday 22nd March 2026 @ 9am
Established in 1933 as the ‘Finchley 20’, now rebranded as Hillingdon 20. This is the world’s oldest continuously contested 20-mile road race, providing excellent preparation for a spring marathon, such as the London Marathon.
The race follows the well-marshalled roads of Ruislip, starting near the Hillingdon Athletic Club’s clubhouse at Bury Street, Ruislip HA4 7TJ.
- Cash prizes are available for 1st, 2nd and 3rd places in both male and female categories, plus first place male and female in the V40, V50 and V60 categories (see below)
- Medals for all finishers
- Chip-timing for a personal time
- Great support along the route
- Professional medical support
- Secure baggage area
- Two water stations per lap
- Toilets and shower facilities are available at the clubhouse
- Post-race home-made cakes and other refreshments are also available
This event will feature the Hertfordshire 20-mile Championships. To be eligible, you must have been born in Hertfordshire or been a resident for nine months. To take part in the Championships, you must state your eligibility during the registration process.
Cash Prizes:
- Male 1st, 2nd and 3rd: 1st £150.00, 2nd £100.00, 3rd £50.00
- Female 1st, 2nd and 3rd: 1st £150.00, 2nd £100.00, 3rd £50.00
- 1st Male over 40 £50 / 1st Female over 40 £50
- V50 Male £50 / V50 Female £50
- V60 Male £50 / V60 Female £50
Entry price from just £32!
Open to entrants aged 18 and over on 22/03/2026
Please click here to enter or for more information!
FAQs
Can I run with my dog?
All our road races are licenced and governed by UK Athletics rules and therefore dogs are not allowed to participate.
When will I receive further information about the event?
The detailed race information including maps, details on parking, registration, baggage and start times will be e-mailed out to participants approximately 10 days before the event date. This sometimes ends up in junk mail so please keep an eye out for it!
Will I get a medal?
All finishers will receive a custom made, themed medal at the end of the race.
My friends/ family are interested in volunteering – how do they sign up?
Get them to contact us via to see what roles are available!
Are headphones allowed?
In ear and over ear headphones are strictly not permitted at any ATW event.
Bone conducting headphones are permitted, unless stated on the event page.
Results?
Will be available following the event here
