Half marathons in West Sussex
Find half marathons in West Sussex in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
Filter by place
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 3 May 2026
- £36-£42
- 3 charities
Worthing RUNFEST Half Marathon
Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 37 m ascent
- Sat 8 Nov
Five Trails Ultra & Three Trails Half | Three Trails Half
- 13 miles trail running + 407 m ascent
- Sun 7 Dec
Running GP at Goodwood Motor Circuit
- 5K run
- 10K run
- Half marathon 2
- Marathon
- 50K ultra run
- Sun 29 Mar 2026
Springtide Half Marathon
- 13.5 miles trail running + 1175 ft ascent
- Sun 3 May 2026
Three Forts Challenge | Half Marathon
- 13.1 miles multi terrain running + 1455 ft ascent