Runs in West Sussex

Find runs in West Sussex in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.

Sat 18 Apr
FREE-£175

Midhurst, West Sussex

Spring Trail Series

Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.

Trail run 2
50K ultra run
Ultra run 2

Beginner-friendly
Event expo
Sustainability policy
Age 18 & over

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.

Sat 2 - Mon 4 May
£7-£75

Burgess Hill, West Sussex

Mid Sussex Marathon Weekend

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.

10 miler 2
10K run
Marathon 2
Fun run 6
Multi-terrain run

Families
Beginner-friendly
Fancy dress
Event village
All ages

Race along flat, fully closed roads to a seafront finish, with Half Marathon, 10K and Family Runs, catering for all ages and abilities, with chip timing, bespoke medal and a tech t-shirt.

Sun 3 May
£8-£42

Worthing, West Sussex

Worthing RUNFEST

Race along flat, fully closed roads to a seafront finish, with Half Marathon, 10K and Family Runs, catering for all ages and abilities, with chip timing, bespoke medal and a tech t-shirt.

10K run
Half marathon
Fun run

Families
Recycling
Beginner-friendly
Entertainment
Music
Fancy dress
Event village
Event expo
Urban
Coast
Free venue entry
Public transport links
Age 5 & over

Welcome to the best running event for miles! Run rolling South Downs trails, climb rewarding hills, and take in sweeping coastal views in a scenic, spacious event. Run with heart. Run the hills.

Sun 3 May
£20-£49

Lancing, West Sussex

Three Forts Challenge

Welcome to the best running event for miles! Run rolling South Downs trails, climb rewarding hills, and take in sweeping coastal views in a scenic, spacious event. Run with heart. Run the hills.

Trail run
Half marathon
Marathon

Families
Beginner-friendly
Dogs allowed at venue
Event village
Sustainability policy
Plastic-free event
Age 16 & over

Walk, jog or run the capital-to-coast route with 2,000 other adventurers over a range of distance options available and superb support all the way, for all abilities and experience levels.

Sat 23 - Sun 24 May
£89-£199

Brighton, East Sussex

London 2 Brighton Ultra Challenge

Walk, jog or run the capital-to-coast route with 2,000 other adventurers over a range of distance options available and superb support all the way, for all abilities and experience levels.

Trail run 3
Ultra run 2
Marathon
100K ultra run 2

Families
Beginner-friendly
Entertainment
Event village
Age 14 & over

A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!

Sat 30 May
£22

Horsham, West Sussex

A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!

7 km trail running

Families
Beginner-friendly
Dogs allowed at venue
Music
Enter online
Flat
Traffic free
Fancy dress
Event village
Rural
Age 11 & over

Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!

Sat 20 Jun
£60-£185

Chichester, West Sussex

Race to the King

Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!