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Junior parkrun

Cassiobury junior parkrun

United Kingdom England

A free, fun, and friendly weekly 2k event for juniors (4 to 14 year olds). Nearby Saturday parkrun events can be found here.

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Meeting point: 51.65852, -0.41377. The interactive map loads with JavaScript. Open the same point in OpenStreetMap.

Coordinates 51.65852, -0.41377.

The course

Course description

Two laps of a tarmac path in the centre of Cassiobury Park. The start and finish is close to the bandstand.

On the course

The course is at Cassiobury Park, Watford. The course is 2000m (2K) long. This has been accurately measured by us with a professional measuring wheel. The course is run entirely on permanent paths. Some sections of the course may accumulate mud, leaves and puddles after rain. Marshals will be located along the course.

The course will be marshalled so that juniors will be in sight of a marshal at all times.

Please remember that the parkrun uses shared paths. Please give way to other park users. This won't slow you down and will help ensure the overall success of the event.

Please, wherever possible walk, jog, cycle or use public transport when attending the event. If you do have to drive, please consider car-sharing to reduce our impact on both the environment and other park users. Please also watch out for other park users when arriving and leaving. Parking may be limited so try to arrive early.

Facilities

Toilets are available at the café.

More details

Public transport

Underground: Watford Underground Station is served by the Metropolitan Line. To walk from the station, turn right on Cassiobury Park Avenue, then left into Shepherds Road. The bandstand is ahead of you on the grass within the park. The walk is about 400 metres.

Overground/National Rail: From Watford Junction Station, it is a 2k walk to the bandstand. To walk to the park, turn right out of the station onto Station Road, then turn left onto Rickmansworth Road (A412) and cross to the north side of the road. Continue and use the pedestrian subway to cross to the south side of the A411 (Hempstead Road) near The Avenue car park. Continue adjacent to the A412 along the shared pedestrian and cycle paths, turn right into the park, and take the left path which leads to the bandstand.

On foot

The park can be accessed from Cassiobury Park Avenue/Shepherds Road, Rickmansworth Road, Parkside Drive, and Gade Avenue. The Cha Café is no more than 500 metres from any of these entrances. Cassiobury Park is situated next to the Grand Union Canal and so can easily be reached traffic-free by bike or on foot along the canal towpath - it is around 1km from the canal to the bandstand.

By road

If you are travelling by car the postcode for the nearest park entrance is WD18 7LE.

Parking is limited around Cassiobury Park and we strongly suggest travelling by foot, bike or public transport. Pay-and-Display car parks are available at Watford Underground Station or the town centre, which are a short walk.

Coffee

Every week we grab a post-parkrun coffee: The Cafe in the Park, Cassiobury Park Ave, Shepherds Rd, Watford, WD18 7HY. Please come and join us!

We're friendly

Every week we grab a post parkrun coffee at The Cafe in the Park, Cassiobury Park Ave, Shepherds Rd, Watford, WD18 7HY - please come and join us!

junior parkrun rules and guidelines

Cassiobury junior parkrun is a fun, free event organised by volunteers for the benefit of everyone. To make the event as safe as possible, participants, spectators and volunteers are asked to take note of the following rules and guidelines:

  • Whilst parkrun fully accepts its duty of care and will do everything it can to minimise risk of injury and harm to all participants whilst at parkrun events, it is parent/guardians who ultimately have responsibility for the welfare of their children.
  • It is not mandatory for a parent/guardian to participate in junior parkruns, but children under the age of 11 must be accompanied to/from the event by a responsible adult, and the responsible adult must remain in attendance for the duration of the event.
  • junior events are open and inclusive. Disabled people may participate wherever it is safe for them to do so. The event team can provide disabled participants with course information in order that the participant (or their parent/guardian) can make an informed decision about their safe participation.
  • Whilst more competitive children can use junior parkruns to test themselves against their own time, and against others, participation should ultimately be for fun, and we urge all parents/guardians/volunteers not to put children under undue pressure to perform.
  • junior parkruns are running, jogging and walking events, and the use of children’s scooters, balance bikes, trikes or cycles is prohibited.
  • Slower runners are encouraged to seed themselves, by starting towards the back of the group especially if an adult is accompanying them.
  • junior parkruns are timed events. Only those aged between 4 to 14 years old completing the course themselves will be given a result. ​
  • Exceptions to this rule are subject to the discretion of parkrun head office. Examples include those over 14 with special educational needs (SEN) or those with a registered disability, for whom social interaction and physical activity may be difficult but important.
  • A strict ‘no barcode no result’ policy will be enforced.
  • Buggies are allowed, subject to course conditions, but only if the adult pushing the buggy is accompanying a junior parkrunner. Adults with buggies are urged to position themselves appropriately for the safety and enjoyment of all.
  • With the exception of assistance dogs, dogs are not allowed to accompany walkers, joggers, runners or volunteers at junior parkrun events.
  • Take care on uneven surfaces – whether on grass or on tarmac. Watch out for cyclists, other participants, pedestrians, children, dogs, wildlife, park animals, vehicles, park maintenance work, falling branches, bollards, posts and other obstacles around the course.
  • Spectators should keep clear of participants on the course and keep control of any children and dogs.
  • Participants should take care near roads and car parks, congregate away from the cars and be careful if driving to/from the event.
  • Photography or filming is likely to take place at junior parkrun events. Please see our photos page for more details.
  • Lyme Disease is a bacterial infection spread to humans by infected ticks. Consider protecting yourself by wearing repellent when at parkrun events in grassy or wooded areas. See lymediseaseuk.com for further details.

Please consider helping the event by volunteering - this event survives only because of your generosity. Please visit the volunteer page for more information.

Volunteering

All parkrun events are organised by volunteers - email cassioburyjuniors@parkrun.com to help.

Safeguarding

parkrun is committed to safeguarding and promoting the welfare of children and adults at risk. For our full safeguarding processes and policies please see our Safeguarding Hub.

To report a safeguarding concern please email safeguarding@parkrun.com.

Event stats

176
Events
1,739
Finishers
12,157
Finishes
379
Volunteers
2,747
Personal bests
28
Groups
00:12:54
Average finish time

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Park5K is not affiliated with parkrun. - last updated 26 October 2026