Running Calendar UK - 2025
The following is a list of fun runs, marathons, obstacle course races, triathlons and multisport/adventure races in United Kingdom in 2025.
Use the search function to filter events in this time period.
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Events 1 to 100 of 318
Dash Sundowner Trail Run
Friday, 19 September 2025Lordington, West Sussex, UK
GWT Trailwalker Challenge
Friday, 19 September 2025 to Sunday, 21 September 2025Queen Elizabeth Country Park to Brighton Racecourse, UK
Peak District Challenge
Friday, 19 September 2025 to Saturday, 20 September 2025Hathersage, Hope Valley, UK
Saundersfoot Triathlon
Friday, 19 September 2025Saundersfoot, Pembrokeshire, UK
Trails & Tarmac Summer Back Yard Ultra
Friday, 19 September 2025Crickhowell, Powys, Wales, UK
Abersoch 20K & 10K Trail Run
Saturday, 20 September 2025Abersoch, Gwynedd, Wales, UK
Beast Race Banchory
Saturday, 20 September 2025Knockburn Loch, Banchory, Aberdeenshire, UK
Cow Shed Backyard Ultra
Saturday, 20 September 2025Stocksfield, Northumberland, UK
High Peak 40 Challenge
Saturday, 20 September 2025Buxton, Derbyshire, UK
Humanity Direct Tring Ultra
Saturday, 20 September 2025Tring, Hertfordshire, UK
IRONKIDS Wales
Saturday, 20 September 2025Five Arches Car Park, South Parade, Tenby, UK
Maverick X Series Afan Forest Trail Run
Saturday, 20 September 2025Bryn Bettws, Port Talbot, South Wales, UK
Mourne Mountain Marathon
Saturday, 20 September 2025 to Sunday, 21 September 2025Mourne Mountains, Newry, Co. Down, NI
Pride Run 10K
Saturday, 20 September 2025Victoria Park, East London, UK
The Cotswold Way Century & Cotswold Half Way
Saturday, 20 September 2025 to Sunday, 21 September 2025Chipping Campden to Painswick/Bath, Cotswold Way National Trail, UK
The Hard Yard Trail Races
Saturday, 20 September 2025Chilton Candover, Hampshire, UK
Tissington Trail Half Marathon
Saturday, 20 September 2025 to Sunday, 21 September 2025Parsley Hay to Ashbourne, Derbyshire, UK
Triple Trail Ultra
Saturday, 20 September 2025Linton, Maidstone, Kent, UK
Twilight Runway Challenge
Saturday, 20 September 2025Blackbushe Airport, Camberley, Surrey, UK
Belfast City Half Marathon
Sunday, 21 September 2025Ormeau Park, Belfast, NI
BigSky Trails (AIR)
Sunday, 21 September 2025Frogham, Fordingbridge, UK
Black Hill Trail Run
Sunday, 21 September 2025Elder Road, Bere Regis, Dorset, UK
Clipston Trail Half Marathon & 5 Miler
Sunday, 21 September 2025Clipston, Northamptonshire, UK
Eton Dorney Triathlons
Sunday, 21 September 2025Dorney Lake, Windsor, UK
Hospice Run
Sunday, 21 September 2025Lower Common Cricket Ground, Tunbridge Wells, UK
Ipswich Half Marathon
Sunday, 21 September 2025Portman Road Stadium, Ipswich, UK
IRONMAN Wales
Sunday, 21 September 2025Tenby, Pembrokeshire, Wales, UK
Keswick Half Marathon
Sunday, 21 September 2025Portinscale, Keswick, UK
Kirkstall Abbey 7
Sunday, 21 September 2025Kirkstall Abbey, Kirkstall, Leeds, UK
Leighton 10
Sunday, 21 September 2025Ascott House, Leighton Buzzard, UK
Longworth 10K
Sunday, 21 September 2025Longworth, Oxfordshire, UK
Malton 10K - Marathon Du Malton
Sunday, 21 September 2025Malton, North Yorkshire, UK
Richmond Park Trail Half Marathon
Sunday, 21 September 2025Sheen Gate, Richmond Park, London, UK
Run Mawnan
Sunday, 21 September 2025Mawnan Smith, Cornwall, UK
Run Reigate
Sunday, 21 September 2025Reigate Priory Park, Reigate, UK
Run Shoreditch 10K
Sunday, 21 September 2025Shoreditch Park, East London, UK
Siren Craft Brew 10K
Sunday, 21 September 2025Finchampstead, Wokingham, UK
Superfeet Sandman Triathlon & Duathlon
Sunday, 21 September 2025Newborough Forest, Anglesey, UK
Terry Fox Run UK: Four Seasons Hampshire
Sunday, 21 September 2025Four Seasons Hotel Hampshire, Dogmersfield, UK
Torbay Half Marathon & 10K
Sunday, 21 September 2025Paignton Green, Paignton, UK
Walk 4 Wards
Sunday, 21 September 2025Stokes Farm, Wokingham, UK
Warrington Running Festival
Sunday, 21 September 2025Warrington, Cheshire, UK
13 Valleys Ultra
Friday, 26 September 2025 to Sunday, 28 September 2025Keswick, Cumbria, UK
Ochil Ultra
Friday, 26 September 2025 to Saturday, 27 September 2025Perth / Stirling, Scotland, UK
Bishop's Castle Trail Marathon
Saturday, 27 September 2025Bishop's Castle, Shropshire, UK
Epic Epping Forest Ultra & Ultra Lite
Saturday, 27 September 2025Epping Forest, Chingford, London, UK
FEARmanagh
Saturday, 27 September 2025Derrygonnelly, Co. Fermanagh, NI
Harrold-Odell 50K & 25K Trail Race
Saturday, 27 September 2025Harrold, Bedford, UK
Hever Castle Triathlon & Multisport Festival
Saturday, 27 September 2025 to Sunday, 28 September 2025Hever Castle, Edenbridge, Kent, UK
Ladybower Reservoir 54K Ultra & 22K
Saturday, 27 September 2025 to Sunday, 28 September 2025Hope Showground, Hope Valley, UK
Maverick Original Mendips Trail Run
Saturday, 27 September 2025Shipham, Somerset, UK
Rat Race Sea to Summit - Yr Wyddfa (Snowdon)
Saturday, 27 September 2025Caernarfon to Rhyd Ddu, Wales, UK
Seaton Classic 10K Road Race
Saturday, 27 September 2025Bangor, Co. Down, NI
The Endless Garden Backyard Ultra
Saturday, 27 September 2025Ayot Green, Welwyn, Hertfordshire, UK
Tower to Castle Ultra
Saturday, 27 September 2025Blackpool Tower to Lancaster Castle, Lancashire, UK
UK Ultra Dark Downs 50K & Half Marathon
Saturday, 27 September 2025Lewes, East Sussex, UK
Water of Leith Half
Saturday, 27 September 2025Balerno to Leith, Edinburgh, UK
Yorkshire Reservoir Dogs
Saturday, 27 September 2025Otley, West Yorkshire, UK
Amport Trail Run
Sunday, 28 September 2025Amport, Andover, UK
Chatsworth 10K
Sunday, 28 September 2025Chatsworth, Derbyshire, UK
Dartford Bridge 10K
Sunday, 28 September 2025Dartford, Kent, UK
Ealing Half Marathon
Sunday, 28 September 2025Lammas Park, Ealing, London, UK
Eridge Park 10 Trail Challenge
Sunday, 28 September 2025Eridge Park, Tunbridge Wells, UKHever Castle Marathon, Half Marathon & 10K
Sunday, 28 September 2025Hever Castle, Edenbridge, Kent, UK
Loch Ness Marathon & Festival of Running
Sunday, 28 September 2025Inverness, Scotland, UK
Marazion 10K Road Race
Sunday, 28 September 2025Marazion, Cornwall, UK
Pembrokeshire Half Marathon & 10K
Sunday, 28 September 2025Dale, Pembrokeshire, UK
Potters ’Arf Marathon
Sunday, 28 September 2025Stoke-on-Trent, Staffordshire, UK
Run Aintree
Sunday, 28 September 2025Aintree Racecourse, Liverpool, UK
RUN Barnstaple
Sunday, 28 September 2025Rock Park, Barnstaple, Devon, UK
Run Sandringham Half Marathon & Community Mile
Sunday, 28 September 2025Royal Sandringham Estate, Norfolk, UK
Sheffield 10K
Sunday, 28 September 2025Arundel Gate, Sheffield, UK
Shrewsbury Half & Metric Half Marathon
Sunday, 28 September 2025West Mid Showground, Shrewsbury, UK
St Nicholas Hospice Care 10K Run
Sunday, 28 September 2025Angel Hill, Bury St Edmunds, Suffolk, UK
Street Child Craft Half
Sunday, 28 September 2025Wimbledon Common, London, UK
Sutton Park 10K
Sunday, 28 September 2025Sutton-on-the-Forest, York, North Yorkshire, UK
Tadley Tens - 10K & 10 Mile Road Races
Sunday, 28 September 2025Baughurst, Tadley, Hampshire, UK
The Christie Tower Run
Sunday, 28 September 2025Beetham Tower, Manchester, UK
The Pumpkin Run
Sunday, 28 September 2025Eight Ash Green, Colchester, Essex, UK
Warwickshire Triathlon
Sunday, 28 September 2025Stratford Leisure Centre, Stratford-upon-Avon, UK
Wild Run Cotswolds
Sunday, 28 September 2025Charlbury, Oxfordshire, UK
Windsor Half Marathon
Sunday, 28 September 2025Windsor Great Park, Windsor, UK
Kingfisher Challenge
Tuesday, 30 September 2025Coombe Abbey Park, Coventry, UK
Night Trails 10K: Coombe Abbey
Tuesday, 30 September 2025Coombe Abbey Park, Coventry, UK
Atlantic Coast Challenge
Friday, 3 October 2025 to Sunday, 5 October 2025Upton Towans, North Cornwall, UK
Charm Bracelet 100 Ultra
Friday, 3 October 2025 to Sunday, 5 October 2025Dufton to Loftus, UK
Atlantic Coast Ultra 40 Miler
Saturday, 4 October 2025Upton Towans, North Cornwall, UK
Gower Coastal Trail Races
Saturday, 4 October 2025Gower Peninsula, Wales, UK
Kielder Marathon
Saturday, 4 October 2025 to Sunday, 5 October 2025Kielder, Hexam, Northumberland, UK
Lakeland Trails Cartmel
Saturday, 4 October 2025Cartmel, Grange-over-Sands, UK
Llandudno Triathlon & Duathlon
Saturday, 4 October 2025Llandudno, Conwy, North Wales, UK
London Epping Forest 50K & EcoTrail 25K
Saturday, 4 October 2025Wanstead Flats, East London, UK
Manchester Backyard Ultra
Saturday, 4 October 2025Radcliffe, Manchester, UK
Round Ripon Ultra
Saturday, 4 October 2025Studley Roger, Ripon, North Yorkshire, UK
Run to the Sea Bournemouth
Saturday, 4 October 2025Ringwood to Bournemouth, UK
Abington Festival of Running
Sunday, 5 October 2025Great Abington, Cambridge, UK
Bangor City 10K & Half Marathon
Sunday, 5 October 2025Bangor, Wales, UK
Barry Buddon FAST 10 Miles & 10K
Sunday, 5 October 2025Barry Buddon, Carnoustie, UK
Basingstoke Half Marathon, 10K & 5K
Sunday, 5 October 2025Crossborough Hill, Basingstoke, UK
Bidwells Town & Gown 10K: Cambridge
Sunday, 5 October 2025Midsummer Common, Cambridge, UK
Events 1 to 100 of 318