Half Marathons in East of England

Kettering Half Marathon

Pitsford Water Trail Races

High Lodge Half Marathon - Spring

Run Rabbit Trail Festival

OMG (One Mile 2 Go) Run

The Milton Keynes 5k, 10k and Half Marathon Winter Warmer Run

Tring Trails - Chilterns - Half-Marathon - Guided Run 

The Enigma Easter Series 2025

Northstowe Half Marathon & Red Balloon 5K

Zig Zag Marathon & Half Marathon

Circuit Du Sore Legs

Show Me The Monet Marathons & Half Marathon

The Valley of the Owls Run

Endorphin Sport Belvoir Castle Multisport Weekend 2025

The Lucky Clover Run

The Amazing Northampton Run

Run Sandringham Half Marathon & Community Mile

Run the Wild Half Marathon - Autumn Edition

AEPG Great Eastern Run

High Lodge Half Marathon - Autumn

Hertfordshire Half Marathon & 10k - November 2025

Fireworks Marathons & Half Marathon

Larking Gowen Norwich Half Marathon

Deja Vu & Deja Too Half Marathons

'Twas the Run before Christmas 2025

Christmas Canter

Run for Cake 2025

RIOT - Running Is Our Therapy

St David's Day Challenge

Moo-rathon, Calf and Hen K at the Farm Run 2025

Zig Zag Challenge

Haughley Festival of Running

The Easter Challenge

The Other Run 2025

Hitchin Half Marathon & Tough 10 Miler

Cock-a-doodle Dawdle

RunThrough Peterborough Running Festival 2025

Jaws 50th Anniversary Marathon & Half-Marathon

The Summer Ready Run 2025

Live Aid 40th Anniversary Marathon & Half Marathon 2025

SunTime RunTime

Football League Original 12 Run

Running GP Bedford Autodrome - August 2025

Newark Half Marathon August 2025

FEAR (Forget Everything And Run) 2025

The Lucky Horseshoe

Pumpkin Plod 

Remembrance Run 2025

RunThrough present this brand new half marathon in Kettering. The closed road race follows a scenic route through the grounds of Boughton House and surrounding country lanes. Come for the finisher's medal and finish line goodies.

RunThrough

Early Bird Half Marathon - Early Bird Entry

Early Bird Half Marathon inc Event T-Shirt - Early Bird Entry

Group of 6 Booking - Group of 6 Entry

Early Bird 5k - Early Bird

Earlt Bird 5k inc Event T-Shirt - Early Bird

The Pitsford Water Trail Races are the perfect way to kick off your Spring racing calendar. The 10k and half marathon routes, set in the heart of Brixworth Country Park, offer stunning scenery, winding trails and just the right amount of challenge. Come and get your hands on the bespoke medal.

Race Harborough

10k - Standard Entry

Half Marathon - Standard Entry

Your next spring half marathon waits for you in the heart of Thetford Forest. There's an array of wild animals dotted around so keep your eyes peeled as you run. With an eco-friendly medal and goody bag waiting at the finish, you're unlikely to forget this epic event.

Raw Trails

Half Marathon - UKA Affiliated Entry

Set in the beautiful grounds of Deene Park, this multi-distance trail weekend is a fantastic addition to the Spring running calendar. The festival consists of 3 separate running challenges that can be done as standalone events, or combined together as 'The Quest for the Golden Carrot' - so there's something for everyone! As well as the running, there's an inspirational speaker, food, and live music on the Saturday evening, plus free camping for everyone who enters an event.

Trail Mix Challenge - Standard Entry

Headlight Hop 10k - Standard Entry

Thump Trail Half - Standard Entry

Quest for the Golden Carrot - Standard Entry

Dual Entry - Trail Mix Challenge & Headlight Hop 10k

Dual Entry - Trail Mix Challenge & Thump Trail Half

Dual Entry - Headlight Hop 10k & Thump Trail Half

Get down to Hinchingbrooke Country Park for this fabulous running event from Zig Zag. Depending on whether you start at 9am or 11am, you will have 6 or 4 hours to complete the distance of your choosing. Come for the supportive atmosphere and finisher medal.

Zig Zag Running

5k - Standard Entry + Lucky Dip Medal

5k - UKA Affiliated Entry + Lucky Dip Medal

10k - Standard Entry + Lucky Dip Medal

10k - UKA Affiliated Entry + Lucky Dip Medal

Half Marathon - Standard Entry + Lucky Dip Medal

Half Marathon - UKA Affiliated Entry + Lucky Dip Medal

Full Marathon - Standard Entry + Lucky Dip Medal

Full Marathon - UKA Affiliated Entry + Lucky Dip Medal

Ultra Marathon - Standard Entry + Lucky Dip Medal

Ultra Marathon - UKA Affiliated Entry + Lucky Dip Medal

Get moving this February with this event offering 5k, 10k and half marathon races around Campbell Park in the heart of Milton Keynes. Perfect for all levels of runners, from novices to experienced racers, you can soak up the scenery of the park and claim your finisher's medal and goodies post-race.

The Fix Events

5k - Standard Entry

Explore the varying terrain and undulating hills surrounding Tring at this trail event. The half marathon route boasts some fantastic views along the way. With a guide taking you on the run, you'll come away with new knowledge about trail running.

Play in the Wild 

Tring Trails - Chilterns - STD

Perfect for new distance runners looking for a fast and easy-to-navigate course, and PB chasers, this lapped tarmac course will take runners around Caldecotte Lake. Come for the finisher's medal and friendly Easter run.

Enigma Running

Marathon - Saturday - Standard Entry

Half Marathon - Saturday - Standard Entry

Check-in with the ever-changing scenery of Northstowe with the annual Half Marathon & 5k through the town and neighbouring Longstanton. Both courses are suitable for those new and old to running events, with almost no elevation and quiet country paths.

Northstowe Running Festival Events

Red Balloon 5k - Standard Entry

Red Balloon 5k - UKA Affiliated Entry

Choose between a Marathon or a Half at this event for a great addition to the Spring racing calendar. This road route is officially measured and mildly undulating meaning you can shoot for a good for age time! Come to put your endurance to the test.

Half Marathon  - Entry + Event Medal

Half Marathon  - UKA Affiliated Entry + Event Medal

Half Marathon  - Entry + Lucky Dip Medal

Half Marathon  - UKA Affiliated Entry + Lucky Dip Medal

Marathon  - Entry + Event Medal

Marathon  - UKA Affiliated Entry + Event Medal

Marathon  - Entry + Lucky Dip Medal

Marathon  - UKA Affiliated Entry + Lucky Dip Medal

Circuit Du Sore Legs will be back in 2025 for more track running fun. Challenge yourself to one of five distances, whether it's your first event or you're looking for a new PB. You won't want to miss out on the awesome medal and supportive atmosphere.

5k - UKA Affiliated Entry

10k - UKA Affiliated Entry

Marathon - Standard Entry

Marathon - UKA Affiliated Entry

Ultra - Standard Entry

Ultra - UKA Affiliated Entry

6 Hour Event - Standard Entry

6 Hour Event - UKA Affiliated Entry

Wind your way around Caldecotte Lake in Milton Keynes with this relaxed, friendly running event. Take on a half marathon, marathon or even a 50k and soak in the lakeside views. Come along for the inclusive atmosphere and a fantastic finisher's medal!

Marathon 1 (Clockwise) - Standard Entry

Marathon 2 (Anti-Clockwise) - Standard Entry

Take in the fabulous scenery of The Valley of Owls in Suffolk as you run in the 7-hour cut-off race. Run a 5k, 10k, Half, Marathon, or Ultra around this magnificent course. All abilities are welcome, so sign up today for your next challenge.

5k - Entry + Event Medal

5k - UKA Affiliated Entry + Event Medal

10k - Entry + Event Medal

10k - UKA Affiliated Entry + Event Medal

Ultra  - Entry + Event Medal

Ultra  - UKA Affiliated Entry + Event Medal

Ultra  - Entry + Lucky Dip Medal

Ultra  - UKA Affiliated Entry + Lucky Dip Medal

Held at the impressive, special and statuesque venue, Belvoir Castle, we are pleased to announce the return of The Belvoir Castle Multisport Weekend. The aim at endorphinsport events is to continue to make this event TRULY inclusive and there really is an option for EVERYONE - including your best friend! 🎉 🐕Set on the stunning landscapes of the historic estate, providing the perfect backdrop for a memorable occasion - whatever race you choose.**New races for 2025**: Cross Triathlon & Cross Duathlon.

Endorphin Sport

Canicross - 20k Entry

Canicross - 10k Entry

Canicross - 5k Entry

Canicross - 2.5k Entry

Half Marathon - UKA Affiliated Standard Entry

5k - UKA Affiliated Standard Entry

Dogi Aquathlon - 80 / 2.5 Entry

Dogi Aquathlon - 80 / 5 Entry

Middle Distance Triathlon - Standard Entry

Middle Distance Triathlon - Standard Team of 2 Relay Entry

Middle Distance Triathlon - Standard Team of 3 Relay Entry

Middle Distance Aquathlon - Standard Entry

Middle Distance Aquabike - Standard Entry

Olympic Triathlon - Standard Entry

Olympic Triathlon - Standard Team of 2 Relay Entry

Olympic Triathlon - Standard Team of 3 Relay Entry

Olympic Aquathlon - Standard Entry

Olympic Aquabike - Standard Entry

Sprint Triathlon - Standard Entry

Sprint Triathlon - Standard Team of 2 Relay Entry

Sprint Triathlon - Standard Team of 3 Relay Entry

Sprint Aquathlon - Standard Entry

Sprint Aquabike - Standard Entry

Super Sprint Aquathlon - Standard Entry

Super Sprint Aquabike - Standard Entry

Kid's Aquathlon (age group distances...) - Standard Entry

X Triathlon Olympic (off road mountain bike) - Cross Triathlon

X Duathlon Sprint (off road mountain bike) - Cross Duathlon

X Triathlon Sprint (off road mountain bike) - Cross Triathlon

X Triathlon Super Sprint (off road mountain bike) - Cross Triathlon

X Duathlon Super Sprint (off road -  mountain bike) - Cross Duathlon

Super Sprint Triathlon - Super Sprint Distance

Take on the Lucky Clover Run starting at the Suffolk Running Centre. This 7-hour cut-off event will have you running one of a number of distances: 5k, 10k, Half, Marathon or Ultra. The route is a perfect half marathon loop, run as far or as little as you like. Race to the finish to earn your medal.

5k - UKA Affiliated Entry + Event medal

5k - Entry + Event medal

10k - UKA Affiliated Entry + Event medal

10k - Entry + Event medal

Half Marathon  - UKA Affiliated Entry + Lucky Dip medal

Half Marathon  - Entry + Lucky Dip medal

Half Marathon  - UKA Affiliated Entry + Event medal

Half Marathon  - Entry + Event medal

Marathon  - UKA Affiliated Entry + Lucky Dip medal

Marathon  - Entry + Lucky Dip medal

Marathon  - UKA Affiliated Entry + Event medal

Marathon  - Entry + Event medal

Ultra  - UKA Affiliated Entry + Lucky Dip medal

Ultra  - Entry + Lucky Dip medal

Ultra  - UKA Affiliated Entry + Event medal

Ultra  - Entry + Event medal

This fantastic closed-road route highlights Northampton's best sites and scenery including the university and the River Nene. Experience being cheered along by spectators as you take on a 3 mile or half marathon route. Come for the vibrant atmosphere and the buzz of finishing!

Go Beyond Challenge

Half Marathon - Affiliated Entry

3 Mile - Standard Entry

Relay  - Team of 3 Entry

Join runners of all abilities for the half marathon and community mile in the stately setting of the Sandringham Estate. Enjoy the picturesque countryside and views of the royal residence whilst being cheered on by spectators. With a buzzing Event Village and exclusive medal and finisher's goody bag up for grabs, this is the perfect weekend race.

Good Running Events

Community Mile - Standard Entry

Community Mile - Affiliated Entry

Embrace the rolling hills of the Chilterns this autumn as you explore the local woods, chalky hills and much more over the 13.1 miles. This event caters for all abilities, whether you are new to trail running or a seasoned veteran. Come to tackle the trails with an experienced leader.

Run The Wild

The Great Eastern Run returns for 2025, with a fast, flat route and 5k and half marathon distances available. The traffic-free course weaves through Peterborough's city centre and past the historic cathedral, where you can be cheered on by spectators. Come to run your first race or achieve a new PB.

J﻿oin Raw Trails for a beautiful half marathon through the depths of Thetford Forest. The 13.1 mile route will take you on a journey over enchanting hard-packed trails, past a rich variety of animal and plant life. Sign up today and earn your bespoke, eco-friendly medal.

Race around the historic Knebworth House in the Hertfordshire Half Marathon & 10k. Great for runners of all stripes, the route starts at the stately home before taking you onto the surrounding country roads. Come for the beautiful rural setting or for your first half marathon.

Half Marathon - Early Bird Entry

10k - Early Bird Entry

Group of 6  - Group of 6 Entry

Half Marathon inc T-Shirt (£12) - Early Bird Entry

10k inc T-Shirt (£12) - Early Bird Entry

Join this fireworks-themed running event, set at the scenic Caldecotte Lake in Milton Keynes. Run either a marathon or half marathon distance on the flat course around the lake. Come along to claim your finisher's medal or achieve a new PB.

Marathon 1 - Standard Entry

Marathon 2 - Standard Entry

This fantastic half marathon takes you around the streets of Norwich and into the surrounding countryside for some spectacular scenery. With a fully closed road route which is mainly flat, this is the perfect opportunity to go for a PB. Come along for your awesome finisher's medal and goodie bag!

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Half Marathon Events in East of England 2025-2026

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