The South East

• Sun 28 Sep
• £42-£44

Windsor Half Marathon

An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!

• 13.1 miles road running

• Sat 20 Sep
• £45-£60
• Pay in instalments

London to Brighton Off-Road Bike Ride

Come and tackle miles of technical terrain with superb views on a dirt adventure you'll never forget! It's Europe's largest charity mountain bike ride, and you're invited to join in.

Email heretohelp@bhf.org.uk for instalments code

• Charity bike ride 2

• Sat 20 Sep
• £110-£115

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!

• 15 km multi terrain running

• Sat 20 Sep
• £100

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!

• 5 km multi terrain running

• Sun 21 Sep
• £30-£97

Eton Dorney Triathlon & Swims

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.

• Super sprint triathlon
• Sprint triathlon
• Olympic triathlon
• Lake swim 4

• Sun 21 Sep
• £16-£35

Fraggle Run

Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sun 21 Sep
• £105-£110

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!

• 15 km multi terrain running

• Sun 21 Sep
• £100

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!

• 5 km multi terrain running

• Sat 27 - Sun 28 Sep
• £35-£295

Hever Castle Triathlon and Multisport Festival

Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.

• Half Ironman
• Olympic triathlon
• Sprint triathlon 2
• Super sprint triathlon
• Novice triathlon
• + 17 more races

• Sat 27 Sep
• £20-£25
• 30% off

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.

30% off with discount code

• Hike 2

• Sat 27 Sep
• £39-£139

Chiltern 50 Ultra Challenge

A beautiful, end-of-season, looped challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.

• 50K ultra run
• Trail run
• 10K run

• Sat 27 Sep
• £58-£120

Dorney Triathlon | September

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 27 Sep
• £40

Wolfe Gravel & Grit

Forget the roads, this gravel ride throws you deep into the heart of Kent on a wild ride atop the Greensand Ridge, where the singletrack flows and the adrenaline pumps.

• Gravel events 2

• Sat 27 Sep
• £16-£35

Romp Run

Anyone know what a group of otters is called? A romp! So this is an event inspired by these adorable little creatures and the medal is super cute too!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 27 Sep
• £75

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.

• 10 hrs trail running

• Sun 28 Sep
• £0.50-£44

Windsor Half Marathon & Sprite Sprint

An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!

• Half marathon
• Fun run

• Sun 28 Sep
• £4-£26

Folkestone Rotary Half Marathon

This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.

• Fun run
• Half marathon

• Fri 3 Oct
• £16-£27

Midweek Chasing Numbers Oct

The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 4 Oct
• £47-£88

Dorney Duathlon | October

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!! This event is draft-illegal.

• Super sprint duathlon
• Sprint duathlon
• Standard duathlon

• Sun 5 Oct
• £7-£39

Hastings Half Marathon

This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.

• Fun run
• Half marathon

• Sun 5 Oct
• £16-£35

The Autumn Lucky Dip Run

Welcome to a 7-hour running event where you can run your choice of distance up to 7 hours at your own pace on a scenic route, with fuel stations each lap, and a lucky dip medal and goody bag!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 11 - Sun 12 Oct
• £40-£210

Hever Castle Commando Obstacle Festival

The Hever Castle Commando obstacle race is the only event that can recreate the mud, sweat and pain of modern day Royal Marines Commando training. Have you got what it takes?

• Obstacle race 6

• Sat 11 Oct
• £39-£139

Kent Downs 50 Ultra Challenge

An end-of-season ultra challenge in the Garden of England with a looped route around the Kent Downs starting on the North Downs Way with picturesque scenery and full support all the way.

• 50K ultra run
• Trail run
• 10K run

• Sat 11 Oct
• £31-£35

The Hurt

The toughest trail run in the South East is back by popular demand. Likened to fell running, the route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.

• Trail run
• Half marathon

• Sun 19 Oct
• £7-£31

Bedgebury Forest Half Marathon & 10K

An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.

• Fun run
• 10K run
• Half marathon

• Sun 19 Oct
• £17-£19

Hove Prom 10K

Join Arena 80 for this fast and flat 10K along the scenic promenade and with the right conditions, PBs are very likely.

• 10 km road running + 82 ft ascent

• Sun 19 Oct
• £15-£35

Great South Run

Probably the world’s favourite 10 mile running event with inspiring history, salty air and glorious sea views guaranteed! Local supporters will keep your spirits and motivation up the whole way.

• 10 miles road running

• Sat 25 Oct
• £16-£35

Scare Bear Run

Come and get involved in this spooky Scare Bear Run!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 25 Oct
• £26-£37.50

Running Tribe Races | Oct

A new and unique concept where you decide how many loops you feel capable of on the day - whether it's 7km, 14km, Half Marathon, Full Marathon or an Ultra Marathon! Push yourself further or go easy.

• Multi-terrain run 2
• Half marathon
• Marathon
• Ultra run

• Sat 25 Oct
• £70

Thames Trail Ultra

This 47-mile point-to-point along England’s longest river is one of the most popular events in the British ultra running calendar, boasting an interesting route and top runner reviews.

• 47 miles trail running + 913 ft ascent

• Sat 1 Nov
• £12-£35

Whitstable & Herne Bay MoRun

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready, Whitstable and Herne Bay!

• Fun run
• 5K run
• 10K run
• Half marathon

• Sun 2 Nov
• £6-£46

Wendover Woods Marathon, Half Marathon & 10K

Come and conquer the Wendover Woods hills in this scenic Autumnal challenge and discover the joy of trail running with this majestic race with the forest is shrouded in colours.

• Fun run
• 10K run
• Half marathon
• Marathon

• Sun 9 Nov
• £47-£88

Dorney Duathlon | November

Take on a Super Sprint, Sprint or Standard distance and take the opportunity to race around this unique and inspiring Olympic venue!!

• Super sprint duathlon
• Sprint duathlon
• Standard duathlon

• Sun 9 Nov
• £12-£35

Southampton MoRun

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready, Southampton!

• Fun run
• 5K run
• 10K run
• Half marathon

• Sun 9 Nov
• £24-£38

Remembrance Day Run | South

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Fri 14 Nov
• £16-£27

Midweek Chasing Numbers Nov

The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Fri 14 Nov
• £73-£400

Kent Backyard Ultra | Round One: Vigo

A Friday night start on woodland trails with runnable climbs and a sociable vibe. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

• Fixed time runs
• Ultra run 2

• Sun 16 Nov
• £16-£35

Smurf Run

Come and join this Smurf Run, who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sun 23 Nov
• £16-£35

Lord of The Run Part 3

Get involved in this Lord of the Run Part 3 (LOTR) style run. Whether you love or hate it, come join in anyway by going on an Adventure across the Thames!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sun 23 Nov
• £12-£30

Milton Keynes MoRun

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready, Milton Keynes!

• Fun run
• 5K run
• 10K run

• Sun 23 Nov
• £19-£35

ATW Wendover Woods Trail Run & Canicross

Set in the stunning Wendover Woods, this is the perfect opportunity to challenge yourself on scenic trails surrounded by beautiful woodland. Enjoy the fresh air, stunning views, and rewarding trails.

• 5K run
• CaniCross
• 10K run
• Half marathon

• Sun 30 Nov
• £26-£37.50

Running Tribe Races | Nov

A new and unique concept where you decide how many 10km loops you feel capable of on the day - whether it's 10km, Half Marathon, Full Marathon or an Ultra Marathon! Push yourself further or go easy.

• 10K run
• Half marathon
• Marathon
• Ultra run

• Fri 5 Dec
• £16-£27

The Christmas Jumper Jaunt

Join in midweek run and as it's nearly Christmas this midweek event is The Christmas Jumper Jaunt - the wearing of your most over the top Christmas jumper is encouraged but not mandatory!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 6 Dec
• £16-£40

A Christmas Carol Bobble Hat Run

Come and join in Christmas Carol Bobble Hat Run, at this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sun 14 Dec
• £26-£37.50

Running Tribe Races | Dec

A new and unique concept where you decide how many 10km loops you feel capable of on the day - whether it's 10km, Half Marathon, Full Marathon or an Ultra Marathon! Push yourself further or go easy.

• 10K run
• Half marathon
• Marathon
• Ultra run

• Sat 20 Dec
• £6-£22

Christmas Pudding Dash

Back for its 20th year, this cracking, undulating, muddy cross-country trail racing extravaganza would have Santa ditching his sleigh for running shoes!

• Fun run 2
• XC run

• Sun 21 Dec
• £7-£22

Kent Christmas Cracker

Grab your running shoes and put on your Santa hat - it's time for this cracking Christmas race! Come and enjoy the spirit of Christmas and superb racing on this flat and fast course.

• Fun run 3

• Thu 25 Dec
• £16-£35

Christmas Day Cracker Run

After the success of the last 4 years of The Christmas Day Cracker Run, join the fifth Christmas Day run!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Fri 26 Dec
• £28-£30

Boxing Day Challenge

Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.

• 5K run
• 10K run
• Half marathon
• Marathon
• Ultra run
• + 1 more race

• Sat 27 Dec
• £16-£35

Year End Time Turner

Join the final event in 2025 and see the year out with a bang! You can choose the medal you want from a selection from throughout the year!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Wed 31 Dec
• £16-£35

River Thames Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.

• 5K run
• 10K run
• Half marathon
• Marathon
• Ultra run
• + 1 more race

• Thu 1 Jan 2026
• £16-£35

New Years Day Run

Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 3 Jan 2026
• £16-£35

Rhino Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.

• 5K run
• 10K run
• Half marathon
• Marathon
• Ultra run
• + 1 more race

• Fri 9 Jan 2026
• £16-£27

Midweek Chasing Numbers Jan

The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 10 Jan 2026
• £16-£35

The Rise From The Ashes Run - South

Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!

• Trail run
• 5K run
• 10K run
• Half marathon
• Marathon
• + 3 more races

• Sat 10 Jan 2026
• £8-£28

Dark Skies Surrey Hills

The Dark Skies returns for an undulating yomp through Surrey’s muddy, rolling hills and feature a thrilling 5K, 10K, 10 Mile, kids races and canicross with hot food and drinks, medals, kit and prizes.

• Fun run 2
• 5K run
• 10K run
• 10 miler
• CaniCross 2

• Sat 10 Jan 2026
• £27-£31

Fitstuff G3 Run Series | Race 1

Take on a tough, award-winning trail run in the Surrey Hills and North Downs with a cracking sunrise, stop-in-your-tracks views and five-star reviews! No nonsense trail running.

• 10K run
• Trail run

• Sat 10 Jan 2026
• £73-£115

Kent Backyard Ultra | Round Two: Dover

A crisp morning start from the farm on a 50/50 road-trail mix with coastal views. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

• Fixed time runs
• Ultra run

• Sat 10 Jan 2026
• £80

Country to Capital Ultra

A fabulous 43-mile point-to-point race, well established as the season opener to the Ultra race calendar and always sells out. From the countryside along the Grand Union Canal into London.

• 43 miles trail running + 1404 ft ascent

• Sat 8 Nov
• £85-£175

Race to Remember | 76km

Test yourself on an ultramarathon - one of the most poignant challenges of the year - to honour the servicemen and women who have sacrificed so much for our nation.

• 76 km multi terrain running + 2100 ft ascent

• Sat 8 Nov
• £55-£125

Race to Remember | 36km

Run, walk or jog Race to Remember - one of the most poignant challenges of the year - and honour the servicemen and women who have sacrificed so much for our nation.

• 36 km multi terrain running + 857 ft ascent