Charity events in South East in September 2025
Find charity events 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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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 6 - Sun 7 Sep
- £199
- 15 charities
- Sat 6 - Sun 7 Sep
- £199
- 15 charities
South Coast Ultra Challenge | Full 100km continuous
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent
- Sat 6 - Sun 7 Sep
- £199
- 14 charities
- Sat 6 - Sun 7 Sep
- £199
- 14 charities
South Coast Ultra Challenge | Full 100km over 2 days
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent
- Sat 6 Sep
- £139
- 15 charities
- Sat 6 Sep
- £139
- 15 charities
South Coast Ultra Challenge | 1st Half
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 57 km trail running + 1250 m ascent
- Sat 6 Sep
- £89
- 15 charities
- Sat 6 Sep
- £89
- 15 charities
South Coast Ultra Challenge | 1st Quarter
The first quarter option of the South Coast Ultra Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckmere Haven, over the South Downs to finish at Alfriston for a celebration!
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 14 & over
- 25 km trail running + 660 m ascent
- Sat 6 - Sun 7 Sep
- £139
- 15 charities
- Sat 6 - Sun 7 Sep
- £139
- 15 charities
South Coast Ultra Challenge | 2nd Half
The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 43 km trail running + 850 m ascent
- Sat 13 Sep
- £169
- 18 charities
- Sat 13 Sep
- £169
- 18 charities
Thames Path Ultra Challenge | 3/4 Challenge
Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow the meandering waterway to Runnymede for a big celebration finish and hot meal at Henley on Thames.
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 72 km trail running + 60 m ascent
- Sat 13 - Sun 14 Sep
- £139
- 18 charities
- Sat 13 - Sun 14 Sep
- £139
- 18 charities
Thames Path Ultra Challenge | 2nd Half
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 50 km trail running + 150 m ascent
- Sat 13 Sep
- £89
- 18 charities
- Sat 13 Sep
- £89
- 18 charities
Thames Path Ultra Challenge | 2nd Quarter
The second quarter event of the Thames Path Challenge takes a route from near Hampton Court and follows the meandering waterway to Runnymede of Magna Carta Fame, for a celebratory finish and hot meal!
- Chip timing
- Enter online
- Flat
- Age 14 & over
- 22 km trail running + 20 m ascent
- Sat 13 - Sun 14 Sep
- £89
- 18 charities
- Sat 13 - Sun 14 Sep
- £89
- 18 charities
Thames Path Ultra Challenge | 3rd Quarter
The epic third quarter option of the Thames Path Challenge starts from Runnymede of Magna Carta Fame following the meandering waterway to finish at Cookham to finish with a celebration and fizz at the
- Chip timing
- Enter online
- Flat
- Age 14 & over
- 28 km trail running + 20 m ascent
- Sun 14 Sep
- £39
- 16 charities
- Sun 14 Sep
- £39
- 16 charities
The Henley 10K
A fabulous 10km loop through Remenham countryside with a start and finish near Henley Bridge on Sunday morning. Take it on as a walk, jog or run and get your family and friends involved!
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 10 km trail running
- Wed 17 Sep
- £89
- 18 charities
- Wed 17 Sep
- £89
- 18 charities
Thames Path Ultra Challenge | 4th Quarter
The epic fourth quarter option of the Thames Path Challenge starts in gorgeous Cookham and follows the meandering waterway to Henley-on-Thames, home of the regatta, to a fabulous celebration finish!
- Chip timing
- Enter online
- Flat
- Age 14 & over
- 22 km trail running + 10 m ascent
- Fri 19 - Sun 21 Sep
- £65-£300
- Fri 19 - Sun 21 Sep
- £65-£300
Trailwalker
Are you Trailwalker strong? As a team of four, trek 100km non-stop across the South Downs in under 30 hours.
- Newcomers
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Event village
- Park
- Age 18 & over
- 100 km trekking
- Sat 20 Sep
- £60
- Sat 20 Sep
- £60
London to Brighton Off-Road Bike Ride | 61 Mile
Join thousands of other riders taking on 61 miles of technical terrain with superb views, conquering Europe's biggest charity mountain bike event to fund lifesaving research.
- Chip timing
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Age 16 & over
- 61 miles mountain biking + 1295 m ascent
- Sat 20 Sep
- 3 charities
- Sat 20 Sep
- 3 charities
Tough Mudder London South | 15K - Saturday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running
- Sat 20 Sep
- £45
- Sat 20 Sep
- £45
London to Brighton Off-Road Bike Ride | 36.5 Mile
Join thousands of other riders taking on 36.5 miles of technical terrain with superb views, conquering Europe's biggest charity mountain bike event to fund lifesaving research.
- Chip timing
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Age 16 & over
- 36.5 miles mountain biking
- Sat 20 Sep
- 3 charities
- Sat 20 Sep
- 3 charities
Tough Mudder London South | 5K - Saturday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running
- Sun 21 Sep
- 4 charities
- Sun 21 Sep
- 4 charities
Tough Mudder London South | 15K - Sunday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running
- Sun 21 Sep
- 3 charities
- Sun 21 Sep
- 3 charities
Tough Mudder London South | 5K - Sunday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running
- Sat 27 Sep
- £139
- 13 charities
- Sat 27 Sep
- £139
- 13 charities
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
- Sat 27 Sep
- £89
- 13 charities
- Sat 27 Sep
- £89
- 13 charities
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
- Sat 27 Sep
- £39
- 14 charities
- Sat 27 Sep
- £39
- 14 charities
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