April 2027

Brighton Marathon

Running · Brighton, East Sussex

Marathon · 10K

City of Lincoln 10K

Running · Lincoln, Lincolnshire

10K

East Leake Pool Sprint Triathlon

Triathlon · East Leake, Nottinghamshire

Sprint

Norwich Half Marathon

Running · Norwich, Norfolk

Half Marathon

Scone Palace Duathlons

Triathlon · Perth, Perth and Kinross

Duathlon

Sheffield Half Marathon

Running · Sheffield, South Yorkshire

Half Marathon

Stoke 10k & Juniors

Running · Stoke-on-Trent, Staffordshire

Junior · 10K

Yorkshire Duathlons - Bramham Park

Triathlon · Wetherby, West Yorkshire

Duathlon

Centurion South Downs Way 50

Ultra · Worthing, West Sussex

50 miles

Endurancelife Giant's Causeway

Running · Portrush, County Antrim

20 Miles

Kent Backyard Ultra Series - Sholden

Backyard · Sholden, Deal, Kent

Backyard (4.167mi loops) · 7 Hour Challenge

Kip's Backyard Ultra

Backyard · Denbigh, Denbighshire

Backyard (4.167mi loops)

LSD (Last Standing Distance) Back Yard Ultra

Backyard · Morpeth, Northumberland

Backyard (4.167mi loops)

Lake District Running Festival 50K

Ultra · Keswick, Cumbria

50km

Larne AC 10 Mile

Running · Larne, County Antrim

10 Miles

10–11 Apr 2027

Monsal Trail Half Marathon & 10K

Running · Bakewell, Derbyshire

Half Marathon · 10K

Rose of the Shires Ultra

Ultra · Brixworth, Northamptonshire

54 miles

10–11 Apr 2027

Ultra Tour of Arran

Ultra · Brodick, North Ayrshire

60 miles (2 days)

ABP Southampton Marathon Festival

Running · Southampton, Hampshire

Marathon · Half Marathon · 10K

Bath & Bristol Railway Races

Running · Bath, Somerset

Marathon · Half Marathon · 10K

Coventry Half Marathon

Running · Coventry, West Midlands

Half Marathon

Drayton Manor 5k & 10k

Running · Tamworth, Staffordshire

10K · 5K

Haughley Festival of Running

Running · Haughley, Suffolk

Marathon · Half Marathon · 10K

Leicester's Big 10K

Running · Leicester, Leicestershire

10K

Sperrin Harriers Half Marathon

Running · Cookstown, County Tyrone

Half Marathon

16–17 Apr 2027

Granite Peaks Ultras

Ultra · Newcastle, County Down

52km · 101km

Bamburgh Castle Duathlons

Triathlon · Bamburgh, Northumberland

Duathlon

Chiltern Ridge Classic 50K

Ultra · Berkhamsted, Hertfordshire

50km

Chilterns Trail Marathon

Running · Tring, Hertfordshire

Marathon

Loop Til You Drop Backyard Ultra - Marston Lodge

Backyard · Marston Trussell, Leicestershire

Backyard (4.167mi loops) · MAX 8 (8 loops)

17–18 Apr 2027

Shropshire Backyard Ultra

Backyard · Shrewsbury, Shropshire

Backyard (4.167mi loops) · Team backyard · 24hr team relay

Ultra X Spring Trail Series

Ultra · Midhurst, West Sussex

50km · 50 miles · 110km

ABP Newport Marathon Festival

Running · Newport

Marathon · Half Marathon · 10K

Chasewater Trail Half Marathon & 10k

Running · Burntwood, Staffordshire

10K · Half Marathon

Garden of Wales Duathlon

Triathlon · Llanarthney, Carmarthenshire

Duathlon

Hooded Horse Fell Race

Running · Kilburn, North Yorkshire

10.7K

Kent Spring Marathon & Half Marathon

Running · Ashford, Kent

Marathon · Half Marathon

Kings Cliffe 10K

Running · King's Cliffe, Northamptonshire

10K

Sold out

Manchester Marathon

Running · Manchester, Greater Manchester

Marathon

Almac 5k & 10k

Running · Craigavon, County Armagh

5K · 10K

Beecraigs Backyard Ultra

Backyard · Linlithgow, West Lothian

Backyard (4.167mi loops)

24–25 Apr 2027

Blackpool Festival of Running

Running · Blackpool, Lancashire

Marathon · Half Marathon

Devil o' the Highlands

Ultra · Tyndrum, Stirling

42 miles

Endurancelife Pembrokeshire

Running · Haverfordwest, Pembrokeshire

Marathon · Half Marathon · 10K

Endurancelife Pembrokeshire

Ultra · Haverfordwest, Pembrokeshire

35 miles

24–25 Apr 2027

TCS London Marathon

Running · London, Greater London

Marathon

24–25 Apr 2027

The Fellsman

Ultra · Ingleton, North Yorkshire

61 miles

The Medieval Backyard Ultra

Backyard · Penarth, Vale of Glamorgan

Backyard (4.167mi loops)

Three Peaks Race

Running · Horton-in-Ribblesdale, North Yorkshire

Marathon

Bishopbriggs Triathlon

Triathlon · Bishopbriggs, East Dunbartonshire

Sprint

Bluebell 10km

Running · Tring, Hertfordshire

10K

Delamere Forest 10k, 21k & 42k (Spring)

Running · Delamere, Cheshire

Marathon · Half Marathon · 10K

Early Brigg Sprint Triathlon

Triathlon · Brigg, North Lincolnshire

Sprint

Roade Sprint Triathlon

Triathlon · Roade, Northamptonshire

Sprint

Shakespeare Marathon & Half Marathon

Running · Stratford-upon-Avon, Warwickshire

Marathon · Half Marathon

25–26 Apr 2027

The First Tri Lydney

Triathlon · Lydney, Gloucestershire

Sprint · Standard

Tissington Trail Marathon & Half Marathon

Running · Ashbourne, Derbyshire

Marathon · Half Marathon

UK Trail Running Festival

Running · Wimborne, Dorset

Marathon · Half Marathon

Wed 28 Apr 2027

Chase the Sun Hyde Park 5k & 10k

Running · London, Greater London

5K · 10K

Fri 30 Apr 2027

Portland Pig Backyard Ultra

Backyard · Portland, Dorset

Backyard (4.167mi loops)