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Isle of Man Backyard Ultra Event
Last-one-standing backyard ultra on the Isle of Man
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Atlantic Coast Challenge
Three marathons along the wild Atlantic coast of Cornwall
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Charm Bracelet 50 & 100 Ultra
100 miles via the Pennine, Teesdale and Cleveland Ways
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Round Ripon Ultra
A 35-mile loop around historic Ripon
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UK Ultra South Downs 100 Mile
A single loop through the South Downs with twelve aid stations
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Run Galway Bay
Flat coastal out-and-back along wild Galway Bay
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Run to the Sea Bournemouth
Ringwood to Bournemouth, finishing on the English Channel
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Cornwall's Backyard Ultra
Last one standing: a 4.167-mile lap, every hour
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North Downs Way Ultra Run
30 miles along the North Downs Way from Guildford
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London Epping Forest 50K & EcoTrail 25K
50K through Epping Forest, London's ancient woodland
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Victoria Park Half Marathon, 10k & 5k
Loops London's Victoria Park, the 'People's Park'
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Atlantic Coast 40 Miler
40 miles along Cornwall's Atlantic coastline
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The Hardwick Hobble - Autumn
A 6-hour lap challenge around the Tudor Hardwick Hall estate
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Run to the Sea Ultra Marathon
Flat 50K point-to-point run through forest to the coast
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Hoby Hop
Trail race across the fields of the Wreake Valley
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Rowbotham's Round Rotherham 50
A 50-mile circuit around the whole borough of Rotherham
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Maverick South Downs Trail Run
Chalky rolling downs and woodlands on the Hampshire border
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UK Ultra Dark Downs 50K & Half Marathon
Dusk-till-dawn loop through the South Downs
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Charnwood Challenge
An off-road classic through Charnwood Forest
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Tywarnhayle 10K
A challenging multi-terrain 10K on Cornwall's north coast
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Penshaw 10K & Half Marathon
Trail race past Sunderland's Penshaw Monument
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Dovedale Dash
Famous cross country race through the Peak District
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Siren Craft Brew 10K
Multi-terrain 10K finishing at Siren's brewery taproom
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Cardiff Half Marathon
A fast capital half past Cardiff castle and the bay
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Basingstoke Half Marathon, 10K & 5K
Legendary hills through Cliddesden and Farleigh Wallop
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Kingston Half Marathon
Flat, fast half marathon along the River Thames
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Weston Super Half
Along Weston-super-Mare's Victorian seafront
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Lincoln Half Marathon
Passes historic Lincoln Castle and the magnificent Lincoln Cathedral
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Manchester Half Marathon
Closed-road city half with huge crowds and PB potential
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Great Scottish Run
Glasgows city centre streets cheered on by huge crowds
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The Lewes 10 Mile and 5 Mile Downland Trail Runs
Downland trail runs across the South Downs from Lewes
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Templer Ten
Follows the historic Templer Way beside the Teign
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Southampton Running Festival
Loops through Southampton Common's woods and lakes
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Rotherby 8
A Leicestershire Road Running League village classic
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Newcastle Way Marathon and Half Marathon
Beneath Slieve Donard and the Mourne Mountains
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Red Warrior Challenge Multi Terrain Races
Runs through Margam Country Park's historic parkland
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Hastings Seafront 10K
Runs the length of Hastings' seafront promenade
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Potters 'Arf
Half marathon through the heart of England's Potteries
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Tonbridge Half Marathon, 10K & 5K
Single closed-road loop through Kent countryside
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Quantocks Half Marathon
A half marathon through Somerset's Quantock Hills
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Kielder Marathon
Forest trails and reservoir views deep in Northumberland wilderness
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Studland Stampede
Tough off-road 12k past Old Harry Rocks and Brownsea Island
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Groomsport 10k
A 10K through the coastal village of Groomsport
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Cambridge Town & Gown 10K
Race past historic colleges and along the River Cam
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The Isle of Wight Marathon
Runs the Isle of Wight's Solent coastline
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The South Hams Ultra
Follows Devon's South West Coast Path near Plymouth
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EnduranceLife Suffolk
Coastal trails through Suffolk and the wild Dunwich heath
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Lakes in a Day Ultra & Half
Point to point through the iconic fells of the Lake District
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The Hurt Half Marathon
Rocks, mud and lung-busting hills through Hurtwood forest
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Lone Wolf South West
A timed ultra challenge through Devon's Haldon Forest
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Run Bournemouth
Premier coastal running weekend along Bournemouths seaside backdrop
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Worcestershire Beacon Race
Up to the summit of the Malvern Hills' highest point
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Glasgow to Edinburgh Ultra
A flat fast point to point ultra perfect for chasing a personal best
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Montalto Night Endurance Challenge
Timed night challenge around a historic Down estate
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Bennachie Ultra Marathon
Circles Bennachie hill past Mither Tap's ancient hillfort
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Beat Box Hill Trails
Climbs Box Hill on the North Downs Way
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The Loop Ultra
Loops through Mid Wales' rugged Cambrian Mountains
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SkyRun The Mournes
Skyrunning festival across the rugged Mourne Mountains of Ireland
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Lakes in a Day
Fifty rugged miles across the fells and valleys of the Lake District
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The Bog Run Castlewellan
Mud, bushes and tree climbs for a children's cancer charity
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Run Heaton Park 5K, 10K & Half Marathon
Laps of Heaton Park past its Georgian hall and lake
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Oxford Half
Half marathon past Oxford dreaming spires and the Thames
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Chester Marathon
Award-winning marathon through historic Chester and rural England
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Bishop's Castle Autumn 10K Trail Run
Rolling Shropshire hills near the Welsh border
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Chelmsford Marathon & Half Marathon
Essex marathon and half marathon raising funds for Havens Hospices
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Bournemouth Half Marathon
Seaside half marathon past Bournemouth and Boscombe piers
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LDNX 10K
Londons newest 10K starting at Wembley and finishing on Olympic Way
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Newcastle Town Moor Half Marathon
Loops Newcastle's historic Town Moor common land
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Wirral 10K
Runs through Birkenhead on the Wirral peninsula
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High Lodge Half Marathon - Autumn
Through Thetford Forest's pine woods near Brandon
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Great Eastern Run
Half marathon tour through historic Peterborough City Centre
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Bath & Bristol Railway Races Autumn
Flat former railway route linking Bath and Bristol
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West Coast Half Marathon
Point-to-point coastal half from Preston to Lytham St Annes
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Grafham Water Trail Races
Around the shoreline of Grafham Water reservoir
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The Loop! 20 Mile Trail Run
Coastal trail run from Broadsands Beach with 4000ft of climbing
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Royal Parks Half
Autumn miles through four royal London parks
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Galloper Thompson 5k
Chased by the ghost of Galloper Thompson through Belfast
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The Dramathon
Along the Speyside Way, past whisky distilleries
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Langdale Marathon and Half
A hilly marathon through the finest scenery of the Lake District
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Centurion Autumn 100
100 miles along the Thames Path towpath from Goring
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Maverick Jurassic Coast Trail Run
A coastal trail race with steep climbs along the Jurassic Coast
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Glamis Glow Run
A glow-lit night run round historic Glamis Castle
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Great South 5K
Southsea's seafront on the Solent, race-weekend 5K
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Amberaid 30 & Petit Raid
A figure-of-eight loop through Amber Valley's woodland
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Gr8 Dundrum Race
Along Dundrum Bay by the Murlough dunes
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Maverick Jurassic Coast X-Trail Run
A coastal ultra along the UNESCO-listed Jurassic Coast
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Ultra Tour Yorkshire Dales
A Yorkshire Dales ultra starting from Grassington
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Nike After Dark Tour: London
Nike's women's night race series returns to London
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Great South Run
A 10-mile coastal classic with salty air and sea views
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Jarrow 10K
A closed-road 10K through the historic town of Jarrow
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Brewers 10K & 5K
Named for Burton's famous brewing heritage
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Macclesfield Running Festival
Road-closed racing from historic Macclesfield into Cheshire fields
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Wyre Forest Trail Half Marathon
Trail loop through the ancient Wyre Forest
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Hove Prom 10k
Along Hove's seafront promenade next to Brighton
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Cabbage Patch 10
Named for the cabbage field under Twickenham Stadium
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The Ultra Loop - Delamere
Run as many 6km forest loops as you can in 8 hours
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Ely Tri Club Runfest
Through the flat Cambridgeshire Fens near Ely
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Maidstone Half Marathon
Scenic route through Mote Park and the Kent Downs
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Guildford 5K & 10K
Fast road-closed racing from Guildfords cobbled High Street to Clandon
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Abergele 5K & 10K
Runs the coastal promenade between Abergele and Pensarn
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Keynsham Dandy
Includes a stream crossing on the Compton Dando route
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Ron Skilton Half Marathon
Runs from Llanwrtyd Wells, Britain's smallest town
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Autumn Blickling Half Marathon
Loops past the historic Blickling Estate in Norfolk
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Four Reservoirs Ultra & 25K
Trail ultra past four County Durham reservoirs
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Bedgebury Forest Half Marathon & 10K
Threads the pine trails of Bedgebury National Pinetum
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Yorkshire Marathon
Starts on the University of York campus at Heslington
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Yorkshire Marathon
A marathon through the scenic Yorkshire countryside and towns
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Abingdon Marathon
One of the oldest marathons in Oxfordshire countryside
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Great Welsh Marathon and Half Marathon
South Wales oldest race rolling through Carmarthenshire country
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.