5K races in Hertfordshire, England
Find 5k races in Hertfordshire, England. Compare 18 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Aldenham parkrun, Barclay parkrun and Cassiobury parkrun.
Find parkrun locations and distinguish 5K events from 2K junior events using the distance labels.
18 listed events · 18 with upcoming dates
Upcoming 5k races
18 matching events, earliest date first. Entry availability is shown separately.
Aldenham parkrun
ENGAldenham, Hertfordshire
Weekly 5K parkrun at Aldenham Country Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Barclay parkrun
ENGBarclay, Hertfordshire
Weekly 5K parkrun at Barclay Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Cassiobury parkrun
ENGCassiobury, Hertfordshire
Weekly 5K parkrun at Cassiobury Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Gadebridge parkrun
ENGGadebridge, Hertfordshire
Weekly 5K parkrun at Gadebridge Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Harlow parkrun
ENGHarlow, Hertfordshire
Weekly 5K parkrun at Harlow Town Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Holywell King George V Playing Fields parkrun
ENGHolywell King George V Playing Fields, Hertfordshire
Weekly 5K parkrun at Holywell King George V Playing Fields, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Jersey Farm parkrun
ENGJersey Farm, Hertfordshire
Weekly 5K parkrun at Jersey Farm Woodland Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Leavesden Country parkrun
ENGLeavesden Country, Hertfordshire
Weekly 5K parkrun at Leavesden Country Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Letchworth parkrun
ENGLetchworth, Hertfordshire
Weekly 5K parkrun at Grange Recreation Ground, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Luton Wardown parkrun
ENGLuton Wardown, Hertfordshire
Weekly 5K parkrun at Wardown Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Oaklands College parkrun
ENGOaklands College, Hertfordshire
Weekly 5K parkrun at Oaklands College, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Panshanger parkrun
ENGPanshanger, Hertfordshire
Weekly 5K parkrun at Panshanger Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Rickmansworth parkrun
ENGRickmansworth, Hertfordshire
Weekly 5K parkrun at Rickmansworth Aquadrome, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Rothamsted Park parkrun
ENGRothamsted Park, Hertfordshire
Weekly 5K parkrun at Rothamsted Park, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
St Albans parkrun
ENGSt Albans, Hertfordshire
Weekly 5K parkrun at Verulam Park, St Albans, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Stanborough parkrun
ENGStanborough, Hertfordshire
Weekly 5K parkrun at Stanborough, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Stevenage parkrun
ENGStevenage, Hertfordshire
Weekly 5K parkrun at Six Hills Way, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Westmill parkrun
ENGWestmill, Hertfordshire
Weekly 5K parkrun at Westmill Farm, Hertfordshire, England.
Regular schedule · check the event’s latest cancellation notices.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in Hertfordshire
The unfiltered upcoming calendar includes events in Aldenham (1), Barclay (1), Cassiobury (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 5k races in Hertfordshire
What should I check before a parkrun event in Hertfordshire?
Check the individual event’s course page, start time and cancellation notices. A regular weekly schedule does not confirm that every future date will take place.
Which 5k races are coming up in Hertfordshire, England?
Aldenham parkrun is listed for 24 October 2026. Barclay parkrun is listed for 24 October 2026. Cassiobury parkrun is listed for 24 October 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Hertfordshire, England?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.