Runs in South East in September 2025

Find runs near me in South East in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

Sat 27 Sep
£139
12 charities

Sat 27 Sep
£139
12 charities

Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

Chip timing
Enter online
GPS tracking
Undulating
Age 18 & over

50 km trail running + 920 m ascent

An exciting 25km loop as part of the Chiltern 50 Ultra Challenge from Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village to a celebratory finish!

Sat 27 Sep
£89
12 charities

Sat 27 Sep
£89
12 charities

Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Henley 25km Loop

An exciting 25km loop as part of the Chiltern 50 Ultra Challenge from Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village to a celebratory finish!

Enter online
GPS tracking
Undulating
Age 14 & over

25 km trail running + 500 m ascent

10Hrs: 10 Laps: You-vs-You. Complete 10 laps of the ~3-mile, 4-mile or 5-mile loops in the given time through the scenic Denbies Wine Estate.

Sat 27 Sep
£75

Sat 27 Sep
£75

Dorking, Surrey, UK

Fortitude Ultra | Denbies

10Hrs: 10 Laps: You-vs-You. Complete 10 laps of the ~3-mile, 4-mile or 5-mile loops in the given time through the scenic Denbies Wine Estate.

Newcomers
Enter online
Hilly
Traffic free
Event village
Rural
Free venue entry
Sustainability policy
Age 20 & over

10 hrs trail running

A beautiful 10km loop from the basecamp at Henley Showground exploring public footpaths and wonderful woodlands within the Culden Faw estate to be rewarded with a medal and glass of fizz!

Sat 27 Sep
£39
13 charities

Sat 27 Sep
£39
13 charities

Henley-on-Thames, Buckinghamshire, UK

The Chiltern 10K

A beautiful 10km loop from the basecamp at Henley Showground exploring public footpaths and wonderful woodlands within the Culden Faw estate to be rewarded with a medal and glass of fizz!

Enter online
Undulating
Age 15 & over

10 km trail running + 235 m ascent

Get active in the award-winning grounds and surrounding Kent countryside in a full marathon! Recruit your friends and celebrate completing your challenge in the festival village.

Sun 28 Sep
£65-£80

Sun 28 Sep
£65-£80

Edenbridge, Kent, UK

Hever Castle | Marathon

Get active in the award-winning grounds and surrounding Kent countryside in a full marathon! Recruit your friends and celebrate completing your challenge in the festival village.

Chip timing
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Relay
Age 18 & over

42.2 km trail running

Get active in the award-winning grounds and surrounding Kent countryside in a half marathon! Recruit your friends and celebrate completing your challenge in the festival village.

Sun 28 Sep
£45

Sun 28 Sep
£45

Edenbridge, Kent, UK

Hever Castle | Half Marathon

Get active in the award-winning grounds and surrounding Kent countryside in a half marathon! Recruit your friends and celebrate completing your challenge in the festival village.

Chip timing
Enter online
Age 17 & over

21.1 km trail running

Get active in the award-winning grounds and surrounding Kent countryside in a 10K run! Recruit your friends to join in then celebrate completing your challenge in the festival village.

Sun 28 Sep
£35

Sun 28 Sep
£35

Edenbridge, Kent, UK

Hever Castle | 10K

Get active in the award-winning grounds and surrounding Kent countryside in a 10K run! Recruit your friends to join in then celebrate completing your challenge in the festival village.