Watford Half Marathon

Two great races (and a fun run), one great day!

Date Sunday 7th February, 2027
Distance Half Marathon + other events: 10K, Fun Run
TerrainRoad
LocationCassiobury Park
Town/CityWatford
AreaBuckinghamshire, Bedfordshire & Hertfordshire
Start postcodeWD18 7HF
Start time10:00am

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The multi-terrain 10K starts off alongside the Half Marathon participants, leaving the park and heading on to traffic-free roads. The route diverges around the 4k mark, guiding you down to the peaceful towpath of the Grand Union Canal. For the next 3k, enjoy the calm of the water's edge before immersing yourself in the quiet beauty of woodland trails. The final stretch takes you past event HQ, where cheers from your supporters will carry you across the finish line. The 10k has no cut-off time - so you can run, jog or walk at your own pace. Entries to the 10k are limited, and it sold out in 2026, so dont miss out!

The Half Marathon will start in Cassiobury Park and follows fully closed roads, venturing into the country lanes behind the Grove Hotel and Golf Course. Runners will pass through Bucks Hill, Commonwood Common, and Chandlers Cross before looping back to the stunning Cassiobury Park. There is a cut off of 2 hours 45 minutes to the 11 mile point for the Half Marathon, as the roads will be reopening.

The Fun Run starts at 9:30am.

Location

Results

Results Status
2026 - Watford Half Marathon results
2025 - Watford Half Marathon results
2024 - Watford Half Marathon results
2023 - Watford Half Marathon results
2022 - Watford Half Marathon results
Verified
Chip timing company
Organiser
Organiser’s website
Community
Social/Other
Pending
Results pending

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