sat13jan8:30 amCountry to Capital 4545 Miles8:30 am Shoulder of Mutton, 20 Pound St, Wendover, HP22 6EJRegion:South Central

sat13jan8:30 amAnglesey Ultra33 miles8:30 am Breakwater Country Park, Holyhead LL65 1YGRegion:Wales

sat13jan - 15jan 138:00 amjan 15MONTANE® Spine® Challenger108 miles8:00 am - 6:00 pm (15) Edale Village Hall, Edale, Hope Valley S33 7ZARegion:Midlands

mon1jan9:30 amHardmoors 3030 miles9:30 am Fylingdales Village Hall, Station Road, Robin Hoods Bay, North Yorkshire YO22 4RARegion:North East

thu28dec7:30 amWinter Cross Ultra 45 Miles45 miles7:30 am The Meon Hall, Pound Lane, Meonstoke, Southampton, Hampshire SO32 3NPRegion:South East

thu28dec7:30 amWinter Cross Ultra 50km45 km7:30 am The Meon Hall, Pound Lane, Meonstoke, Southampton, Hampshire SO32 3NPRegion:South East

sat2dec8:00 amDorset Ultra Plus45.5 Miles8:00 am Lulworth Cove, Wareham, Dorset, BH20 5RQRegion:South West

sat2dec8:00 amDorset Ultra33.5 Miles8:00 am Lulworth Cove, Wareham, Dorset, BH20 5RQRegion:South West

sun26nov8:30 amGatliff 50k50 km8:30 am The Pavilion, Lingfield Road, Edenbridg TN8 5DR Region:South East

sat25nov8:00 amWENDOVER WOODS 5050 miles8:00 am Trig Point Field, Aston Hill, Halton, Aylesbury HP22 5NQRegion:South Central

sun19nov9:30 amThe Tweed Valley Ultra 50k50 km9:30 am Glentress Peel Visitor Centre, nr Peebles EH45 8NB.Region:Scotland

sun19nov8:00 amWooler Trail Marathon28.5 miles8:00 am Wooler YHA, 30 Cheviot Street, Wooler, Northumberland, NE71 6LWRegion:North East

sun19nov7:30 amThe Tweed Valley Ultra 65k65 km7:30 am Glentress Peel Visitor Centre, nr Peebles EH45 8NB.Region:Scotland

sat18nov9:30 amThe Kirkstall Abbey Winter Trail Running Festival Ultra Marathon32 miles9:30 am Kirkstall Abbey, Abbey Road, Leeds LS5 3EHRegion:North East

sat18nov7:30 amBRECON BEACONS ULTRA46 miles7:30 am Henderson Hall, Talybont-on-Usk, Brecon, LD3 7YQRegion:Wales

sat11nov8:30 amGower Ultra35.3 Miles8:30 am National Trust Rhossili, Rhossili SA3 1PRRegion:Wales

sat11nov8:00 amKings Forest 50km50 km8:00 am West Stow Country Park, Bury St Edmunds, Suffolk IP28 6HGRegion:East Anglia

sat11nov7:30 amWarrington Way 40M40 miles7:30 am Maple Lodge Scout Centre, May Queen Field Drive, off Pepper St, Lymm, WA13 0JGRegion:North West

fri10nov - 12nov 1011:00 amnov 12The Druid's Challenge - Sealskinz Ultra Trail Series84 miles11:00 am - 4:00 pm (12) Ivinghoe Beacon, Leighton Buzzard, Bedfordshire LU7 9EB Region:East Anglia

sun5nov8:00 amWHITE ROSE ULTRA 3030 miles8:00 am Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SPRegion:North East

sat4nov12:00 pmWhite Rose Ultra 100100 miles12:00 pm Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SPRegion:North East

sat4nov8:00 amWHITE ROSE ULTRA 6060 miles8:00 am Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SPRegion:North East

sat4nov8:00 amGlen Ogle 33 Ultra33 miles8:00 am Killin Village, Killin, Stirling FK21Region:Scotland

sun29oct9:30 amDouble Bubble Leeds Liverpool Canal Halloween Ultra Day 232 miles9:30 am Kirstall, LeedsRegion:North East

sun29oct9:00 amThe Stort30 Ultra30 miles9:00 am Bishop's Stortford Running Club (Hockerill Sports and Social Club), Beldams Lane, Bishop's Stortford, Hertfordshire CM23 5LGRegion:East Anglia

sat28oct9:30 amDouble Bubble Leeds Liverpool Canal Halloween Ultra Day 132 miles9:30 am Kirstall, LeedsRegion:North East

sun22oct8:00 amThe High Life Ultra105 km8:00 am Bridge End Auction Site, Billams Hill, OtleyRegion:North East

sun22octAll DayUltra Tour of Edinburgh50 km(All Day: sunday) The Royal Mile, Edinburgh EH8 8DDRegion:Scotland

sat21oct - 22oct 215:30 pmoct 22DARK SKIES RUN GALLOWAY29 miles5:30 pm - 1:30 am (22) Kirroughtree Forest Visitor Centre, Galloway Forest Park, Forest Drive, Newton Stewart DG8 7BERegion:North East

sat21oct10:00 amEnnerdale 50k50 km10:00 am Ennerdale Scout Centre, Ennerdale Bridge, Cumbria CA23 3ARRegion:Scotland

sat21oct10:00 amAUTUMN 100100 miles10:00 am Goring Village Hall, High Street, Goring-on-Thames, Oxfordshire, RG8 9AG.Region:South Central

sat21oct8:30 amCoastal Trail Series - Suffolk Ultra33.2 Miles8:30 am Dunwich, SuffolkRegion:East Anglia

sat14oct10:00 amTHE NORTHERN JUMBLE32 miles10:00 am Slathwaite, West YorkshireRegion:North East

sat14oct - 15oct 1410:00 amoct 15Pony Express - Sealskinz Ultra Trail Series60 miles10:00 am - 7:00 pm (15) Brockenhurst College, Lyndhurst Road Brockenhurst Hampshire SO42 7ZERegion:South Central

sat14octAll DaySkipton Canal 45km45 km(All Day: saturday) Skipton, North YorkshireRegion:North East

thu12oct - 15oct 127:00 amoct 15Lon Las Cymru 250 Non-Stop Ultra250 miles7:00 am - 10:00 pm (15) Holyhead Tourist Information Centre, Stena Line Terminal 1 Isle of Anglesey Holyhead Gwynedd Wales LL65 1DQ Region:Wales

sun8oct9:00 amChagford Challenge30 miles9:00 am Jubilee Hall, Chagford, NEWTON ABBOT, Devon TQ13 8DPRegion:South West

sun8oct8:00 am- 10:30 amSandstone Way South50 miles8:00 am - 10:30 am Tomlinson's Cafe and Bunkhouse, Bridge Street, Rothbury NE65 7SFRegion:North East

sat7oct9:00 amROUND RIPON ULTRA 3535 Miles9:00 am Studley Roger Village Hall, Barn Cottage, Studley Roger, Ripon HG4 3AYRegion:North East

sat7oct - 8oct 78:00 amoct 8Sandstone Way Ultra120 miles8:00 am - 10:00 pm (8) Berwick-upon-Tweed YHA, Dewar's Lane, Berwick-upon-Tweed TD15 1HJRegion:North East

sat7oct - 8oct 78:00 amoct 8Sandstone Way North70 miles8:00 am - 4:00 am (8) Berwick-upon-Tweed YHA, Dewar's Lane, Berwick-upon-Tweed TD15 1HJRegion:North East

sat7oct7:30 amGower Ultra 5050 miles7:30 am The St Madoc Centre, Llanmadoc, Swansea SA3 1DERegion:Wales

fri6oct - 8oct 68:15 amoct 8ATLANTIC COAST CHALLENGE78 miles8:15 am - 5:00 pm (8) Constantine Bay, Padstow PL28 8JRRegion:South West

sun1oct9:00 amDowns Link Ultra38 Miles9:00 am St Martha's Hill, Halfpenny Lane, Guildford, Surrey GU4 8PZRegion:South Central

sat30sep8:30 amCoastal Trail Series - North York Moors Ultra34.3 Miles8:30 am Ravenscar, Scarborough, North Yorkshire YO13 0NERegion:North East

sun24sep9:00 amShort Circuit50 km9:00 am Bridge End Auction Site, Billams Hill, OtleyRegion:North East

sun24sep8:00 amMONSTER ULTRA68km8:00 am Region:East Anglia

sat23sep9:00 amHumanity Direct Tring Ultra31 miles9:00 am Tring Cricket Club, Beechwood, London Road, Tring, Hertfordshire HP23 6HARegion:South Central

sat16sep9:00 amCHILTERN WONDERLAND 5050 miles9:00 am Goring Village Hall, High Street, Goring-on-Thames, Oxfordshire, RG8 9AG.Region:South Central

sat16sep8:00 amHardmoors 6060 miles8:00 am Guisborough & East Cleveland Sea Cadets, HQ Belmangate, Guisborough TS14 7AQRegion:North East

sat16sep8:00 amRobin Hood 100100 miles8:00 am South Wheatley Village Hall, Sturton Road, Retford, Notts, DN22 9DLRegion:North East

fri15sep - 19sep 158:00 pmsep 19King Offa’s Dyke Ultra182 miles8:00 pm - 2:00 pm (19) Offa's Dyke Footpath, Buttington Terrace Sedbury Beachley NP16 7HDRegion:Wales

fri15sep - 17sep 158:00 pmsep 17Mercian Challenge100 miles8:00 pm - 2:00 pm (17) Offa's Dyke Footpath, Buttington Terrace Sedbury Beachley NP16 7HDRegion:Wales

sat9sep7:30 amRace to the Farm 5050 miles7:30 am The Exmoor White Horse Inn, Exford, Exmoor National Park, West Somerset TA24 7PYRegion:South West

sun3sep6:00 amLondon 2 Brighton60 Miles6:00 am Blackheath TA Centre, Holleyhedge House, Wat Tyler Road, Blackheath SE3 0QZRegion:South Central

sun3sep5:15 amGritstone Grind35 miles5:15 am Disley Community Centre, Buxton Old Road, Disley SK12 2BBRegion:North West

sat2sepAll DayLancaster Canal 45k45 km(All Day: saturday) Bolton Le Sands, LancashireRegion:North West

sun27aug9:00 amThe Urban Legend65 km9:00 am Bridge End Auction Site, Billams Hill, OtleyRegion:North East

sun27aug7:00 amChiltern Way Ultra 100k100k7:00 am Little Hampden, BuckinghamshireRegion:South Central

sat26aug9:00 amChiltern Way Ultra 214k214 km9:00 am Felden Lodge, Hemel Hempstead, Hertfordshire HP3 0BLRegion:South Central

fri25aug10:30 amT184 CHALLENGE184 miles10:30 am Thames Barrier Cafe (South Side), London SE18 5NJ Region:London

fri25aug10:30 amT100 CHALLENGE100 miles10:30 am Thames Barrier Cafe (South Side), London SE18 5NJ Region:London

fri25aug12:00 amMidnight Express45 miles12:00 am Long Ashton Community Centre, Keedwell Hill, Long Ashton, Bristol BS41 9DPRegion:South West

sat19aug8:00 amPeak Trails 3030 miles8:00 am Whirlow Hall Farm Trust, Whirlow Lane, Sheffield S11 9QFRegion:North East

sat19aug6:00 amUltra Tour of the Peak District60 miles6:00 am Whirlow Hall Farm Trust, Whirlow Lane, Sheffield S11 9QFRegion:North East

sat19aug6:00 amPeak Trails 5050 miles6:00 am Whirlow Hall Farm Trust, Whirlow Lane, Sheffield S11 9QFRegion:North East

sat19aug6:00 amUltra Great Britain200 miles6:00 am Southport Promenade, Southport PR8 1RXRegion:North West

sat12aug7:00 amThe Rat 32 miles32 miles7:00 am Porthpean Outdoor Centre, Castle Gotha Farm, Porthpean, Saint Austell PL26 6AZRegion:South West

sat12aug7:00 amSVP100100 km7:00 am Memorial Hall, High Street, Newmarket CB8 8JSRegion:East Anglia

sat12aug12:05 amThe Rat 100k100 km12:05 am Porthpean Outdoor Centre, Castle Gotha Farm, Porthpean, Saint Austell PL26 6AZRegion:South West

fri11aug - 13All DayBeacons 100100 miles(All Day) Brecon, Powys LD3 9DBRegion:Wales

fri11aug - 13All DayBeacons 5050 miles(All Day) Brecon, Powys LD3 9DBRegion:Wales

sat5aug10:00 amRailway Ultra 38 miles38 miles10:00 am Woodbridge Public House, Coalport Rd, Coalport, Telford TF8 7JFRegion:North West

sat5aug10:00 amMendip Marauder 3030 miles10:00 am Wells, SomersetRegion:South West

sat5aug10:00 amRailway Ultra 28 miles28 miles10:00 am Woodbridge Public House, Coalport Rd, Coalport, Telford TF8 7JFRegion:North West

sat5aug8:00 amMendip Marauder 5050 miles8:00 am Frome, SomersetRegion:South West

sat5aug6:00 amNORTH DOWNS WAY 100100 miles6:00 am St Polycarps School, Waverley Lane, Farnham GU9 8BQRegion:South Central

sat29jul11:30 amThe Lakeland 5050 miles11:30 am Dalemain Estate, Dalemain, Penrith CA11 0HBRegion:North West

sat29jul - 3augjul 298:00 amaug 3Deadwater Multi Stage Ultramarathon225 miles(july 29) 8:00 am - (august 3) 9:00 pm Deadwater Station, Deadwater, Kielder Hexham NE48 1EWRegion:North East

sat29jul5:00 amPEN LLYN ULTRA MARATHON75 miles5:00 am Plas Heli, Pwllheli,Gwynedd,North Wales Ll53 5YTRegion:Wales

fri28jul - 30jul 286:00 pmjul 30The Lakeland 100100 miles6:00 pm - 10:00 am (30) John Ruskin School, Lake Road, Coniston LA21 8EWRegion:North West

sat22jul - 23jul 2210:00 amjul 2312 Labours of Hercules78 miles10:00 am - 10:00 pm (23) Edale Village Hall, Edale, Hope Valley S33 7ZARegion:North East

sun16jul11:00 amScafell Sky Race™ 40km40km11:00 am Seathwaite Farm, Seathwaite, Keswick CA12 5XJRegion:North West

sun16jul7:00 amFAIRLANDS VALLEY CHALLENGE 50km50 km7:00 am Marriotts School, Brittain Way, Stevenage SG2 8UTRegion:East Anglia

sat15jul9:00 amChiltern Challenge - Sealskinz Ultra Trail Series31 miles9:00 am Princes Risborough, School, Merton Road, Princes Risborough HP27 0DRRegion:South Central

sat15jul9:00 amEssex 100 Miles100 miles9:00 am Felsted Village Hall, Braintree Road, Felsted, Dunmow CM6 3DYRegion:East Anglia

sat15jul9:00 amEssex 50 Miles50 miles9:00 am Felsted Village Hall, Braintree Road, Felsted, Dunmow CM6 3DYRegion:East Anglia

sat15jul9:00 amEssex 30 Miles30 miles9:00 am Felsted Village Hall, Braintree Road, Felsted, Dunmow CM6 3DYRegion:East Anglia

sat15jul9:00 amThe Clyde Stride Ultra Marathon40 miles9:00 am West Highland Way Race reminiscent underpass, Glasgow G11 6BURegion:Scotland

sat15jul - 16jul 158:00 amjul 16Race to the Stones100 km8:00 am - 8:00 pm (16) Field Farm, Shirburn Road, Lewknor, Watlington, Oxon OX49 5RRRegion:South Central

sat15jul7:00 amLakes Sky Ultra™ 2017 56km56km7:00 am University of Cumbria in Ambleside, The Barn, Rydal Road, Ambleside LA22 9BBRegion:North West

sun9jul9:30 amScarfell Pike Trail Marathon27 miles9:30 am Crow Park, Lake Road, Keswick, CA12 5DJ. Region:North West

sat8jul10:30 amSaint Cuthbert's Way Ultra 45 Miles45 miles10:30 am Wooler Bowling Club, Weetwood Road, Wooler, Northumberland NE71 6AERegion:North East

sat8jul9:30 amHam & Lyme 50k50 km9:30 am Ham Hill Country Park, Ham Hill Rd, Stoke-sub-Hamdon TA14 6RWRegion:South West

sat8jul8:00 amSaint Cuthbert's Way Ultra 100km100 km8:00 am Holy Island, Berwick-upon-Tweed, Northumberland, TD15 2SHRegion:North East

sat8jul7:00 amHam & Lyme 100k100 km7:00 am Lyme Regis, Dorset Region:South West

sat8jul1:00 amThe Great Glen Ultra71 miles1:00 am Neptune’s Staircase, Banavie, Fort William PH33 7NGRegion:Scotland

sat8julAll DayApocalypse 100100 miles(All Day: saturday) The National Trust Centre Carding Mill Valley, Church Stretton, Shropshire SY6 6JGRegion:North West

fri7jul - 8jul 78:00 pmjul 8Ultra Kirklees Way73 miles8:00 pm - 4:00 pm (8) Burn Road, Birchencliffe, Huddersfield HD2 2EG, Region:North East

sun2jul7:30 amWirral Ultra35 miles7:30 am Wallasey Promenade, Wallasey CH27 9SBRegion:North West

sat1jul11:00 amUltimate Trails™ 55km55 km11:00 am Rothay Park, Ambleside, LA22 9DGRegion:North West

sat1jul9:00 amReservoir Dogs Ultra50 km9:00 am Bridge End Auction Site, Billams Hill, OtleyRegion:North East

sat1jul - 29:00 amjul 2- 7:00 pmRound the Island - Sealskinz Ultra Trail Series70 miles9:00 am - 7:00 pm (2) Ramp of Floating Bridge, Ferry Office, Medina Road, Cowes PO31 7BXRegion:South Central

sat1jul8:00 amLurbel 60km Ultra60km8:00 am Row Lane, South of Farley Green Guildford, Surrey GU5 9ETRegion:South East

sat1jul7:15 amSnowdonia Quarter44 miles7:15 am Borth-y-Gest, Wales, LL49 9TSRegion:Wales