Explore the South East
From the white cliffs of the South Coast to the rolling Chilterns, this region has a vibrant countryside to explore by foot, bike and paddle. Use this page to find events, adventures and clubs across the South East and get involved!
Map view
- Sat 20 Sep
- £45-£60
London to Brighton Off-Road Bike Ride
Join thousands of other riders taking on miles of technical terrain with superb views, conquering Europe's biggest charity mountain bike event to fund lifesaving research.
- Charity bike ride 2
- Sat 26 Apr
- £53-£55
Magna Carta Spring | Marathon
The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 26.2 miles trail running
- Sat 26 Apr
- £43-£45
Magna Carta Spring | Half Marathon
The Magna Carta Half Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 13.1 miles trail running
- Sat 26 Apr
- £33-£35
Magna Carta Spring | 10K
The Magna Carta 10K is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 10 km trail running
- Sun 27 Apr
- £10-£30
Greater Haywards Heath Bike Ride
Boldly bursting onto your 2025 calendars! It's the fantastic return of the Greater Haywards Heath Bike Ride. Bring the family and join the fun!
- Sportive 4
- Sun 27 Apr
- £40
A day in the Surrey Hills
A gentle gravel bike adventure through the Surrey Hills with a mix of woodland, forests, and heaths. It's a relaxed all-day ride, with an easy pace and plenty of time for lunch and rest stops.
- 60 km gravel riding
- Sat 3 - Sun 4 May
- £39-£199
Isle of Wight Ultra Challenge
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
- Trail run 3
- 50K ultra run 3
- 100K ultra run 2
- Ultra run
- Sat 3 - Mon 5 May
- £6-£75
Mid Sussex Marathon Weekend
Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 14th year in 2025. 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
- Sun 4 - Mon 5 May
- £12-£150
MK Marathon Weekend
The multi award-winning MK Marathon Weekend is Buckinghamshire’s most popular weekend of running and features a choice of races, extra medal for running both days and stunning Stadium MK finish!
- Marathon
- Half marathon
- 5K run
- Fun run
- 10K run
- Sun 4 May
- £45
Palace to Palace
Experience the best of London on this leisurely bike ride that takes you through the capital’s most scenic and historic spots, linking together 12 of London’s parks with its excellent cycle network.
- 24 miles gravel riding
- Sun 4 May
- £32.50-£38.50
Worthing RUNFEST 10K
A fun, flat and fast 10K run along the coastal roads of Worthing, a great atmosphere, with cheer points along the route and a bespoke medal and t-shirt.
- 10 km road running
- Sat 10 May
- £30-£60
Bewl Water Spring
Previously rated one of the top 10 UK marathons! Scenic mixed-terrain routes following Bewl Water around the reservoir route on undulating rural wooded trails and quiet country lanes.
- 10K run
- Half marathon
- Marathon
- 50K ultra run
- Sat 10 May
- £25
Pink Ribbon Walk | Blenheim Palace and the Cotswolds
Discover the magic of this World Heritage Site and explore England’s largest area of outstanding natural beauty in the Cotswolds countryside on this charming walking adventure.
- Charity walk 2
- Sat 10 May
- £45
Women V Cancer | Ride the Night
Join hundreds of women for a night of remembrance and celebration and ride past iconic city landmarks then cross the finish line to receive your well-deserved finisher's medal!
- Charity bike ride 2
- Sat 10 May
- £90-£95
Tough Mudder London West | 15K - Saturday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- 15 km multi terrain running
- Sat 10 May
- £70
Tough Mudder London West | 5K - Saturday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- 5 km multi terrain running
- Sun 11 May
- £36.50-£58.50
RIDE Castle
King of the castle, or dirty rascal? Expect some tough climbs after departing the imposing Tonbridge Castle with 800 other riders and experience some amazing views across the Kent countryside.
- Short sportive
- Medium sportive
- Long sportive 2
- Sun 11 May
- £85-£90
Tough Mudder London West | 15K - Sunday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- 15 km multi terrain running
- Sun 11 May
- £70
Tough Mudder London West | 5K - Sunday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- 5 km multi terrain running
- Tue 13 May
- FREE-£20
Gosport 5K Summer Series | Race Two
This is race one of an exhilarating 5K summer series at Gosport offering five perfect races to make your own.
- Fun run
- 5K run
- Sat 17 - Sun 18 May
- £20-£30
Follow the Seagulls | Isle of Wight
A trekking challenge along the Isle of Wight Coastal Path with sea views, glades, tall ridges and wild walking in support of the brain cancer charity, brainstrust. You are in for a treat!
- Charity walk 2
- Sat 17 May
- £30
Activ Gravel Canterbury Trails
A day of gravel riding in the heart of Kent, discovering the North Downs and back alleys of Medieval Canterbury on car-free trails, bridleways, byways and quiet lanes.
- 80 km gravel riding + 900 m ascent
- Sun 18 May
- £21-£30
Rye 10 & 5 Mile
If you want to treat yourself or a loved one to some fun and self care with a local race, then look no further; the Rye 10 & 5 Mile is a joy to race.
- Road run
- 10 miler
- Sun 18 May
- £25
Poppy Hike
Challenge yourself to a hike in the beautiful Surrey Hills and support the Armed Forces community, featuring Centenary Wood which commemorates the sacrifices made in WW1.
- Charity walk 3
- Sat 24 - Sun 25 May
- £89-£199
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
- Sun 25 May
- £58-£120
Dorney Triathlon | May
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 25 May
- £27-£35
ATW Chiltern Half Marathon & 10K
Get involved in this exhilarating Half Marathon or 10K in the stunning Chiltern Hills! This Area of Outstanding Natural Beauty offers the perfect mix of challenging climbs rewarding descents.
- 10K run
- Half marathon
- Sun 25 May
- £50
A Day in the Garden of England
The orchards and woodlands, crisscrossed by ancient paths and tracks, are dotted with medieval magnificence and decent pubs – definitely a great day out on a gravel bike on a Sunday in Kent.
- 60 km gravel riding + 900 m ascent
- Sun 25 May
- £80
Dorney Lake Draft-Legal Triathlon
Incorporating Sprint Triathlon 2026 World Championships Qualifier! Dorney Lake Events provides you with an opportunity to race like an elite around this unique and inspiring Olympic venue.
- 750 m lake swimming
- 19 km road cycling
- 5 km road running
- Wed 28 May
- £58-£78
Midweek Dorney Triathlon | May
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 1 Jun
- £30-£37.50
Hook Norton Brewery Sportive
A fantastic social and relaxed cycle through Oxfordshire countryside from one of the best breweries in the Cotswolds, taking you along the most scenic routes - to finish with a refreshing beer.
- Sportive 2
- Sun 1 Jun
- £12-£27
Green Park Reading 10K
Thousands of runners of all abilities and ages will be welcomed to Green Park in Reading to run a traffic-free, super-flat route as part of a family-friendly event day.
- Fun run 2
- 10K run
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- Sat 7 Jun
- £20-£25
Mighty Hikes | South Coast
Take on a challenge and join Macmillan at the South Coast Mighty Hike - where you’ll explore the stunning South Downs Way and take in spectacular coastal views to support people living with cancer.
- Hike 2
- Sat 7 Jun
- £28-£55
Magna Carta Summer
The Magna Carta event are based in scenic Runnymede and right near the site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 10K run
- Half marathon
- Marathon
- Sat 7 Jun
- £58-£120
Dorney Triathlon | June
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sat 7 - Sun 8 Jun
- £85-£120
Endure24 | Reading
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running
- Sat 7 Jun
- £35
Activ Gravel Sheep Sea and Gravel
Ride through the heart of this magical part of the world, featuring the wild (and woolly) Romney Marsh, big skies, ancient churches, medieval towns, dykes and also wind turbines.
- 95 km gravel riding
- Sat 7 Jun
- £95
Blenheim Palace Triathlon | Super Sprint Triathlon - Saturday
Discover the World's most stunning Triathlon. Experience stunning scenery, culture and sport at the Blenheim Palace Triathlon taking place in 2025.
- 400 m lake swimming
- 13.3 km road cycling
- 2.9 km road running
- Sun 8 Jun
- £30-£37.50
Chiltern Valley Winery & Brewery Sportive
Take a social and adventurous ride from a majestic location hidden away on a tiny rural lane in the heart of the valley, with a freshly pulled pint as your reward. Cyclists' bliss.
- Sportive 2
- Sun 8 Jun
- £70
Eastbourne Triathlon | Novice Super Sprint
The Super Sprint Novice Triathlon is ideal for anyone wanting to try the sport of triathlon for the first time and is an exciting part of the renowned Eastbourne Triathlon weekend.
- 400 m sea swimming
- 9 km road cycling
- 2.4 km road running
- Sun 8 Jun
- £55
Eastbourne Triathlon | Youth Super Sprint
The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!
- 400 m pool swimming
- 9 km road cycling
- 2.4 km road running
- Sun 8 Jun
- £120-£160
Eastbourne Triathlon | Standard
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The standard circuit enjoys the beach, closed roads and iconic promenade.
- 1.5 km pool swimming
- 36.6 km road cycling
- 10 km road running
- Sun 8 Jun
- £40
Eastbourne Triathlon | 1500m Swim
The beautiful seaside town of Eastbourne welcomes swimmers of all abilities and experience back for the Eastbourne Triathlon's swimming-only event! Enjoy a sea swim with a pier backdrop.
- 1500 m sea swimming
- Sun 8 Jun
- £85
Eastbourne Triathlon | Standard Aquathlon
Cycling not your thing? Experience a big day of swim-run multi sport from the famous seafront promenade and along the traffic-free route as part of the Eastbourne Triathlon weekend.
- 1500 m sea swimming
- 10 km road running
- Sun 8 Jun
- £85
Eastbourne Triathlon | Standard Duathlon
Experience a big day of run-bike-run multi sport from the famous seafront promenade and along closed roads as part of the Eastbourne Triathlon weekend.
- 5 km road running
- 36.6 km road cycling
- 10 km road running
- Sun 8 Jun
- £90-£130
Eastbourne Triathlon | Sprint
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The sprint circuit enjoys the beach, closed roads and iconic promenade.
- 750 m sea swimming
- 18.3 km road cycling
- 5 km road running
- Sun 8 Jun
- £70
Eastbourne Triathlon | Sprint Aquathlon
Cycling not your thing? Experience a big day of swim-run multi sport from the famous seafront promenade and along the traffic-free route as part of the Eastbourne Triathlon weekend.
- 750 m sea swimming
- 5 km road running
- Sun 8 Jun
- £115-£150
Blenheim Palace Triathlon | Sprint Triathlon - Sunday
Discover the World's most stunning Triathlon. Experience stunning scenery, culture and sport at the Blenheim Palace Triathlon taking place in 2025.
- 750 m lake swimming
- 19.8 km road cycling
- 5.4 km road running
- Tue 10 Jun
- FREE-£20
Gosport 5K Summer Series | Race Three
This is race one of an exhilarating 5K summer series at Gosport offering five perfect races to make your own.
- Fun run
- 5K run
- Fri 20 Jun
- £50
Landrace South Downs Way
A series of fast-paced guided gravel rides from London, perfect for serious riders skilled at off-road cycling. Can you ride 100 miles and climb 3000m, off road, in a day?
- 160 km gravel riding + 3000 m ascent
- Sat 21 Jun
- £80-£180
Race to the King
Conquer a challenge fit for royalty through the heart of Sussex in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a 100km!
- 100K ultra run
- 50K ultra run 2
- Sun 22 Jun
- £40
A Day in the Cotswolds
A gentle gravel bike adventure through the picturesque Cotswolds AONB. It's a relaxed all-day ride, with an easy pace and plenty of time for lunch and rest stops.
- 73 km gravel riding + 580 m ascent
- Tue 24 Jun
- £120
CBRE's Great Property Bike Ride
Join 250 other companies in this team-building ride to promote well-being, boost morale and earn matching cycle jerseys and medals on this midweek challenge outdoors.
- Short sportive
- Medium sportive
- Long sportive
- Wed 2 Jul
- £58-£78
Midweek Dorney Triathlon | July
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sat 5 Jul
- £25-£60
FixAddiction Triathlon, 5K, 10K & Half Marathon
A superb summer's day of running and triathlon at the stunning Olympic venue which boasts fast, flat courses with closed roads and ideal swimming conditions. A must for your schedule this year.
- Super sprint triathlon
- Sprint triathlon
- 5K run
- 10K run
- Half marathon
- Sat 12 - Sun 13 Jul
- £85-£270
Race to the Stones
Conquer Britain's oldest trail, the ancient Ridgeway, at the UK's biggest ultramarathon as you race towards the 5000-year-old Avebury Standing Stones. Back for the 12th Year Running!
- 50K ultra run 2
- 100K ultra run 3
- Sat 12 Jul
- £30-£37.50
Vale Brewery Sportive
A fantastic cycle through Buckinghamshire from one of the best breweries in the county, along the most scenic routes, to finish with a complimentary beer from the taproom.
- Sportive 2
- Sat 12 Jul
- £39-£139
North Downs 50 Ultra Challenge
A fabulous challenge setting out from Guildford base camp on a looped route taking in some of the best of the Surrey hills, the North Downs Way, and the surrounding countryside.
- 50K ultra run
- Trail run 2
- 10K run
- Tue 20 May
- £7.50-£25
Thruxton 10K Series Race 1 & Fun Run
Experience the thrill of running on the UK’s fastest race track, the iconic Thruxton Motor Racing Circuit! Closed roads and super safe for both the 10K and 3.8k Fun Run!
- 10K run
- Fun run
- Sun 8 Jun
- £10-£15
Clarendon Way Walk
Join the Clarendon Way Walk, a beautiful countryside walk between Winchester and Salisbury. Sign up today and support two local hospices for children and young adults.
- Charity walk 3
- Tue 17 Jun
- £7.50-£25
Thruxton 10K Series Race 2 & Fun Run
Experience the thrill of running on the UK’s fastest race track, the iconic Thruxton Motor Racing Circuit, over a fast-paced, flat and completely safe 10K distance on summer evenings.
- 10K run
- Fun run