Trail5K

Race for Life Watford Pretty Muddy 5k

Watford, England

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When

Saturday, 12 June 2027

12:30 UK time · check your distance’s start

Where

Cassiobury Park, Off Cassiobury Park Avenue, WD18 7LG

Watford

Distance

Trail

Entry

£11.24

Adult earlybird entry £11.24. Earlybird prices end 31 October 2026. Organiser states a minimum fundraising target of £50.00 in addition to entry. Child concessions excluded from headline. Check current booking terms.

About the event

A 5km obstacle-course fundraising event for Cancer Research UK at Cassiobury Park in Watford. Participants can run, jog or walk at their own pace. The course includes climbing, crawling and sliding obstacles. The organiser asks each participant to aim to raise £50.00. Starts are arranged in waves; choose a time when booking.

Organised by Cancer Research UK (opens in a new tab).

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Bookings are made on the organiser’s or authorised ticket provider’s website. Calendar downloads save the date only; they don’t update automatically.