Explore the East of England
As the vast wetlands of the Fens rise into the rolling countryside of Norfolk, it is easy to appreciate this region's often-understated beauty. Discover clubs, events and adventures in the East of England right here.
Map view
- Sun 8 Feb
- £33-£35
Run for Cake
Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
- Multi-terrain run 2
- Sat 14 Feb
- £33-£35
Valentines Challenge
In 2026 Valentines Day falls on a Saturday, so why not come along and earn some Valentine-themed bling! Run as far as you can during six hours, whether 5K or 50K, you'll love it!
- 6 hrs trail running
- Sun 15 Feb
- £28-£30
ATW Love Welwyn Garden City 10K
11th anniversary! Welcome to the Love Welwyn Garden City 10K — historically held around Valentine's Day this is the event that encourages you to fall in love with running.
- 10 km road running + 246 ft ascent
- Sun 22 Feb
- £28-£38
ATW Bedford Half Marathon & 10K
This chip timed event is a sure-fire guarantee to give you the best chance of a PB in the Half Marathon or 10K.
- 10K run
- Half marathon
- Sun 22 Feb
- £27-£35
Thetford Festival of Running
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over the distance of your choice with fantastic support each lap and a medal at the finish!
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- Sun 22 Feb
- £60
St Peters Way Ultra
42 miles of footpath meandering through the historic countryside of Essex in an easterly direction towards the coast, along an ancient pilgrimage route dating back to the 7th century!
- 42 miles trail running + 2117 ft ascent
- Sun 1 Mar
- £19-£31
ATW Great Yarmouth Seafront Half Marathon, 10K & 5K
Combines the thrill of running and the picturesque charm of Great Yarmouth over a fast-paced course through the town's rich history and vibrant landscapes.
- 10K run
- Half marathon
- 5K run
- Sun 8 Mar
- £33-£35
Colchester Half Marathon
An exciting stadium base and a route which takes you past iconic landmarks of the UK's oldest town with thousands of people cheering you on as you run through the centre!
- 13.1 miles road running + 403 ft ascent
- Sun 8 Mar
- £20-£35
TTP Cambridge Half Marathon
Run 13.1 unforgettable miles through Cambridge’s historic streets and iconic University grounds on a flat, fast-paced course perfect for supporting a charity cause and chasing a personal best.
- 13.1 miles road running
- Sun 15 Mar
- £18-£29
ATW Debden 10K and 5K
This disused airfield has a fast, flat, tarmac course with no sharp corners, and the surrounding tree cover makes for relatively still conditions on most days - but your PB or run stress-free.
- 5K run
- 10K run
- Sun 15 Mar
- £22-£36
Essex 20
The Essex 20 is held annually and is an ideal 20-mile race for the build-up to Marathon season, set over a 5-lap, flat, fast, tarmac course. Also hosting the Essex County Road Running Championships.
- Road run 2
- Sat 21 Mar
- £27-£38
Moo-rathon, Calf and Hen K
Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Multi-terrain run 2
- Sun 22 Mar
- £28-£38
ATW Run Fest at Lee Valley
Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
- 10K run
- Half marathon
- Sun 29 Mar
- £33-£38
Zig Zag Challenge
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Multi-terrain run 2
- Fri 3 Apr
- £33-£38
Easter Challenge
Run as far as you can during the 6-hour event at Suffolk Running Centre on a multi-terrain loop. Run, rest, then head out for more.
- Multi-terrain run 2
- Fri 3 Apr
- £28-£30
ATW St Albans Easter 10K
A flat, fast and chip timed event - it's a sure-fire guarantee to give you the best chance of a PB in the 10K.
- 10 km road running + 108 ft ascent
- Mon 6 Apr
- FREE-£36
ATW Stevenage Spring Half Marathon & 10K
From the fantastic Ridlins Stadium athletics track, wind your way around superb traffic-free tarmac routes and enjoy the beautiful Fairlands Valley Park the return to a vibrant event village!
- Fun run
- 10K run
- Half marathon
- Sun 12 Apr
- £27-£38
Haughley Festival of Running
Join in at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling a variety of distances on the day within the 4 or 6-hour time limit.
- 5K run
- 10K run
- Half marathon 2
- Marathon
- Ultra run
- + 1 more race
- Sun 19 Apr
- FREE-£21
Cambridge Biomedical Campus 10K, 5K and Fun Run
Run, walk or cheer on family at this traffic-free campus event, with 10K, 5K and fun run options supporting local charities and welcoming all ages.
- Fun run
- 5K run
- 10K run
- Short walk
- Sun 19 Apr
- £27-£38
The Roman Ramble
A relaxed, lap-based trail run through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- Sun 26 Apr
- £27-£38
The Other Run
On the same day as the famous marathon in London, why not come along to The "Other" Run? Use this event to earn your Virtual London Marathon medal and a Zig Zag medal too.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- Sun 3 May
- £57-£119
ATW St Neots Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sat 9 - Sun 10 May
- £20-£25
- 25% off
Mighty Hikes | Norfolk Coast
Starting in Cromer, this scenic coastal hike follows beautiful beaches and picturesque villages along the coast, combining breathtaking views with the chance to support people living with cancer.
- Charity hike 2
- Sun 10 May
- £29-£38
Zig Zag Marathon and Half
Come and join in at this exclusive venue! The marathon takes on the officially measured Kirtling Road route and the half marathon follows the Windmill route. Both are undulating and very scenic.
- Half marathon
- Marathon
- Sun 10 May
- £44-£49
HSV Sprint Triathlon & Aquabike
This is a great race for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
- Sprint triathlon
- Sprint aquabike
- Sat 16 May
- £79-£180
ATW Big East & Maldon Triathlon
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Half Ironman
- Middle aquabike
- Sun 17 May
- £27-£38
The Birthday Run
Zig Zag Running is 6 years old this month so why not come along and celebrate?! You are promised lots of cake!
- 5K run
- Multi-terrain run 2
- Half marathon 2
- Marathon
- Ultra run
- Sat 23 - Sun 24 May
- £33-£165
Farmmageddon
Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sat 23 May
- £130
ATW Box End Mixed Team Relay
Unleash your team’s speed and strategy in an exhilarating mixed relay, racing through swim–bike–run laps at Box End’s stunning, spectator-friendly lakeside venue.
- 350 m lake swimming
- 7.7 km road cycling + 102 ft ascent
- 1 km road running
- Sun 24 May
- £67-£139
ATW Box End Triathlon
Experience a choice of multi-sport events — triathlon, relay triathlon and aquabike — at a stunning watersports venue with pristine water, scenic routes, a custom medal and more.
- Sprint triathlon
- Sprint aquabike
- Olympic triathlon
- Standard aquabike
- Half Ironman
- + 1 more race
- Sun 31 May
- £27-£38
Circuit Du Sore Legs
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
- 5K run
- 10K run
- Half marathon
- Marathon
- 50K ultra run
- + 1 more race
- Sat 6 Jun
- £80-£130
Suffolk Back Yard Ultra Festival
Push your limits at the highly competitive Summer Suffolk Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Fixed time runs 2
- Ultra run
- Sat 6 Jun
- £12
Sparkle Walk
Get your sparkle on and make every step count! Join Sparkle Walk 2026 and help Haven House do everything they can to support children and families going through the toughest of times.
- 10 km walking
- Sun 7 Jun
- £146-£187
ATW Grafman Middle Distance Triathlon & Aquabike
One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
- Half Ironman
- Middle aquabike
- Sun 7 Jun
- £27-£38
Valley of the Owls Run
This routes takes in the village of Ousden which is known as the Valley of the Owls in Suffolk, with some of the oldest roads in England and very beautiful countryside.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- Fri 12 - Sun 14 Jun
- FREE-£225
Run Sandringham 24 and Mini Kid's Race
A major event in the East Anglian running calendar, attracting a large field of runners of all abilities to the winter residence of The Royal Family, to run a 24-hour race around the estate.
- Fun run
- Fixed time runs
- 10K run
- Fri 12 Jun
- £25-£27
Run Sandringham 10K
Start and finish in the grounds of the Sandringham Estate, The Royal Family’s winter retreat, and enjoy a super-scenic 10K, great atmosphere, medal, goody bag and event hub.
- 5K run
- 10K run
- Sun 14 Jun
- £11-£40
ATW St Albans Half Marathon, 10K, 5K & Fun Run
A community-focused event, ATW St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family, delivered by runners for runners.
- Fun run
- 5K run
- Half marathon
- Challenge walk
- 10K run
- Sun 14 Jun
- £26-£28
The High Easter 10K
A cracking countryside 10K bursting with heart and community spirit in the picturesque little village of High Easter with a cash reward for beating the course record!
- 10 km road running + 98 ft ascent
- Sun 21 Jun
- £66-£119
ATW Stewartby Lake Triathlon & Aquabike
Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 21 Jun
- £75-£110
Southend Triathlon
Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.
- Sprint triathlon
- Olympic triathlon
- Relay triathlon
- Standard aquabike
- Sat 27 Jun
- £27-£38
Cock-a-doodle Dawdle
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Multi-terrain run 2
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Sun 5 Jul
- £33-£38
Summer Ready Run
Come and join the fun in a 4 or 6-hour running challenge at Ferry Meadows! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
- Multi-terrain run 2
- Sun 5 Jul
- £69-£175
ATW Odyssey At Box End Triathlon
Get ready for one of the UK’s most exciting triathlon events of the year! Dive into crystal-clear lake waters at Box End, then ride a smooth, rolling bike course and follow scenic on-site run paths.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint aquabike
- Standard aquabike
- + 1 more race
- Sun 12 Jul
- £27-£38
Norfolk Festival of Running
Run, lap, repeat — from 5K to ultra-marathon across scenic trails at Bawsey Country Park, with friendly support, flexible distances and the freedom to run your own way.
- Fixed time runs 2
- Sat 18 Jul
- £20-£25
Big Hike | Suffolk & Essex
Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill, all whilst supporting life-saving research.
- Charity hike 3
- Sun 19 Jul
- £27-£29
ATW St Albans Summer 10K
ATW brings you the St Albans Summer 10K with a twist! Flat, fast and chip-timed with pacers to help you achieve a PB, plus buzzing event village for all the family with music, play zone and ice cream.
- 10 km road running + 108 ft ascent
- Thu 23 Jul - Sat 1 Aug
- £300-£350
Great Barrow Challenge | 10 events in 10 days
10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
- 10 days trail running
- Fri 7 Aug
- £12-£22
ATW Colchester Friday Night Runs
Race under the lights at a fast, friendly Friday night 5K, featuring the Essex 5K County Championships and a buzzing summer atmosphere with great support.
- Fun run
- 5K run
- Sat 8 Aug
- £145-£285
ATW Odyssey Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Ironman
- Half Ironman
- Sat 8 Aug
- £120-£210
ATW Odyssey Aquabike
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside comprising a swim in the meandering River Ouse followed by a cycle around scenic countryside.
- Long aquabike
- Middle aquabike
- Sat 8 Aug
- £67-£119
ATW St Neots Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquabike
- Sat 8 Aug
- £56-£285
ATW First To Full Triathlon Festival
Be part of a UK first. This isn’t just another triathlon—it’s the first event of its kind where you decide the distance, from sprint to full, and race your way.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Ironman
- Sprint aquabike
- + 4 more races
- Sat 8 Aug
- £56-£95
ATW Odyssey12
The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.
- 12 hrs trail running
- Sun 16 Aug
- £7-£33
Clacton Half Marathon & 10K
It's the crash of waves and the sea-salt that lingers in the cool coastal air. It's your moment to fly along the promenade in this cracking 10K or half marathon. It's a seaside racing extravaganza!
- Fun run
- 10K run
- Half marathon
- Sun 16 Aug
- £56-£97
ATW Oundle Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sat 22 Aug
- £27-£38
The Lucky Clover
Your race, your pace, your distance! Choose your ideal distance then explore the Clover Half route or Goldling Hills on a multi-terrain loop with aid station each loop and bespoke medal too.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- Sun 30 Aug
- £37.50-£58.50
- Early bird
RIDE Essex
Close your cycling season on a stunning ride through the Essex countryside, quiet villages and farmland where the undulations will have you in and out of the saddle.
- Long sportive
- Medium sportive
- Short sportive
- Sat 5 - Sun 6 Sep
- £12-£39
ATW Bedford Running Festival
More than just a running race! Join thousands at Bedfordshire’s most popular weekend of running with festival magic, live music, bar, yoga, kids zone, street food, outdoor cinema and fun fair!
- Fun run
- 5K run
- 10K run
- Half marathon
- Road run
- Sun 6 Sep
- £27-£38
FEAR (Forget Everything And Run)
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- 5K run
- 10K run
- Multi-terrain run
- Half marathon 2
- Marathon
- + 1 more race