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Rhayader Round the Lakes
Loops past the Elan Valley reservoirs from Rhayader
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Brynkinalt Running Festival
Through the historic grounds of Brynkinalt Estate
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Morland 'Marathon' Trail Ultra
Thirty-mile trail ultra through the Cumbrian fells
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Beast of the Blacks 10, 20 & 40 Mile
Trail race through the Black Mountains of Wales
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Swiftathon 5K & 10K Themed Run
ABBA-themed 5K/10K fun run near Wolverhampton
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Cousin Jack
Named for Cornwall's emigrant miners, 'Cousin Jack'
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New Forest South Trail Run
Through the private Hinton Admiral Estate in the New Forest
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EnduranceLife Sussex
Chalk cliff-top trails between Eastbourne and Seaford
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Humanity Direct Amersham Ultra
Trail ultra through the beech woods of the Chilterns
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Kingston Breakfest Run
Riverside breakfast run with looping Thames towpath distances
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Pitsford Water Trail Races
Trails around Pitsford Water reservoir
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Larmer Tree Marathon, 20 Miler, Half Marathon & 10K
Starts amid the historic Larmer Tree Gardens
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Windsor & Eton 10K
Pass beneath Windsor Castle on this historic multi-terrain 10K
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Haweswater Half Marathon
Along Haweswater reservoir in the Lake District fells
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Eastbourne Half Marathon
Eastbourne's seafront below the South Downs
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Bideford Half Marathon
Through the historic port town of Bideford on the Torridge
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Cambridge Boundary Run
Loop the ancient boundaries of Englands storied university city
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ATW Great Yarmouth Seafront Half Marathon, 10k & 5k
Flat seafront half, 10K and 5K in Great Yarmouth
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Solent Half Marathon
Along the Solent shore at Lepe in the New Forest
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Middlesbrough Half Marathon
Fast, flat, closed-road race through Teesside
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Chippenham Spring 10 Mile
One of the fastest 10-mile routes in the South West
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Monmouth 10 miles 2026
Along the River Wye past the Biblins Rope Bridge
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Grindleford Gallop
21 miles over the hills of the Peak District
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Harrold-Odell 50K & 25K Trail Race
Laps around Harrold-Odell's lakes and the Great Ouse
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Brechfa Trail Half Marathon & Marathon
Loops through Brechfa Forest in Carmarthenshire
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D33 Deeside Way Ultra
Follows the old Deeside Railway line from Aberdeen
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Lone Wolf South East
Last-one-standing endurance race in Alice Holt Forest
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Chicken Run
Fell race climbing from Hayfield into the Dark Peak
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Lakeland Trails at Leighton Hall
Trail race through the Arnside & Silverdale AONB
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JOGLE
A seventeen day ultramarathon crossing the length of Britain
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Jurassic Express Trail Run
Coastal trail past Old Harry Rocks with a vintage train finish
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Colchester Half Marathon
Streets of a historic city give way to quiet country lanes
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Chester 10K
Riverside 10K along the River Dee in Chester
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Ashby 20
Rural Leicestershire 20-miler, a classic marathon tune-up
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Falmouth Half Marathon
Scenic coastal loop around Pendennis Headland with stunning bay views
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Pierrepont Plod - Spring
Laps Nottingham's National Watersports Centre lake
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Steyning Stinger
South Downs marathon with almost 900m of climbing
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The Grizzly & Cub Races
Muddy Devon classic finishing on Seaton's shingle beach
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Paisley Half Marathon
From Elderslie into Paisley's town centre finish
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Granite Way 10 & 20 Mile
Along a former railway line between Okehampton and Lydford
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Sherwood Pines 20 Mile, Half Marathon & 10K
Undulating forest trails through scenic Sherwood Pines woodland
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Inverness Half Marathon & 5K
Flat riverside route along the River Ness
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Weymouth Half Marathon
Along Weymouth's seafront toward the Isle of Portland
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Liverpool Half Marathon & 10 Miler
Grandstand start and finish on the iconic Liverpool waterfront
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Grand Canal Canter: Spring
Follows the Grand Western Canal towpath through Devon
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Bath Half Marathon
Race through the historic World Heritage streets of Bath
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Leith Hill Half Marathon
Trail run to the highest point in southeast England
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Paddock Wood Half Marathon
Flat, fast half through the Kent countryside
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Blickling Half Marathon
Start and finish beside the iconic Blickling Hall estate
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Cambridge Half Marathon
Flat fast half marathon through historic Cambridge university town
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Craic 10k
St Patrick's Day 10K starting at Belfast City Hall
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The Ultra Loop - Heaton Park
An 8 hour ultra endurance loop through Heaton Park, Manchester
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Orion 15
A legendary UK road race held annually since 1954
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Winter's End Ultra & Marathon
Scenic ultra and marathon through New Forest National Park
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Centurion Hundred Hills 50km
Fifty hilly kilometres through the Chiltern Hills
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Bath 50 Challenge
Countryside loops from Georgian Bath
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London Lea Valley 50K Ultra & Gratitude 25K
A scenic countryside ultra through the Lea Valley near London
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Castle to Castle Run
Trace County Antrims coastline past castles steeped in history
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Coniston 14
Circuits Coniston Water in the heart of the Lake District
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Way of the Dead
A 50km traverse of Dartmoor, east to west
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Hardmoors 55 Trail Ultra
A rugged 55 mile trail ultra across the Yorkshire countryside
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Stansted House Trail Run
Trail race through the grounds of a Georgian stately home
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Maverick Hampshire Trail Run
Finishes atop Cheesefoot Head in the South Downs
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Roman Rampage
Loops through Friday Woods, home turf of the Paras
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Exeter Trail Races
Trail race through the historic grounds of Escot Park
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The Secret Half Marathon & 20 Miler
Same elevation gain as Crewe parkrun - flat and fast
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Going Round In Circles
Runs to all 27 London Underground Circle Line stations
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Cheshire Half Marathon Spring
Flat, closed-road route round Pickmere and Arley Green
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Hastings Half Marathon
Seaside half through Hastings' historic Old Town
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ATW Run Fest at Lee Valley
Through Lee Valley Regional Park, beside the River Lea
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TWIN LAKES 20
Laps two lakes along the Grand Union Canal towpath
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Gloucester Half Marathon & 10K
Starts and finishes in historic Gloucester Park
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Ironbridge Half Marathon
Through the Ironbridge Gorge, birthplace of industry
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Wilmslow Running Festival
Cheshire Grand Prix club-championship half marathon
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Surrey Half Marathon
Fast, closed-road half through the Surrey countryside
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Swansea Half Marathon
Fast flat coastal route from the city out to the Welsh sea
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Run Carlisle
Along the River Eden in England's border city
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Edale Skyline Fell Race
21 miles, 4,500ft around the Edale skyline ridge
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B R & PUDDING R CE
Peak District trail ending in beer and Bakewell pudding
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Bournemouth Bay Run
Runs the length of Bournemouth's seven-mile beach
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Y2Y North Downs Trek/Run
Follows the North Downs Way escarpment from Redhill
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Race Dunvegan
Isle of Skye race passing Dunvegan Castle
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Elephant Challenge: 6 Hour Running Race
6-hour timed race on a looped Salcey Forest trail
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Night Trails 10K: Salcey Forest (Mar)
Head-torch 10K through Salcey Forest after dark
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Westonbirt House Half Marathon & 10K
A scenic half marathon through the grounds of a historic manor
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Jurassic Coast Challenge
Ocean cliffs and hills along Dorsets dramatic coast path
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Jurassic Coast 40 Miler
Cliffs, fossils, and coves along the wild Jurassic Coast
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20 Along the Forth
A 20 mile coastal challenge along the Forth Estuary near Edinburgh
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MindOverMoors - The OG Trail Race
6 miles through Fryupdale valley, North York Moors
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Rivington Pike Fell Race
Steep fell race to the historic Pike Tower folly
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The Pendulum
Crosses The Cheviot and Hedgehope Hill
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Milton Keynes Festival of Running
A flat, fast running festival through Milton Keynes
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North Tyneside 10K
10K near where the Tyne meets the North Sea
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Run Upcote Spring Trail Run
Cotswolds trail race through the hills near Chedworth
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Feighan Fury 10 Mile
Off-road 10-miler across private Devon farmland
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Mortimer 10K
Undulating trails through Mortimer's woodlands
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Llandudno Half Marathon & 10 Mile
Runs the promenade of the seaside resort of Llandudno
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.