September 2027

Ring O' Fire

Ultra · Holyhead, Isle of Anglesey

135 miles (3 days)

Ben Nevis Race

Running · Fort William, Highland

14K

Ellesmere Triathlon

Triathlon · Ellesmere, Shropshire

Sprint · Standard · Middle

Glenmore 24 & 12

Ultra · Glenmore, Highland

12 hours · 24 hours

Glencoe Marathon

Running · Glencoe, Highland

Marathon · Half Marathon

Kenilworth Half Marathon

Running · Kenilworth, Warwickshire

Half Marathon

Laganside 10k

Running · Belfast, County Antrim

1 Mile (children) · 10K

Stretton Skyline Fell Race

Running · Church Stretton, Shropshire

30.5K

The Big Half

Running · London, Greater London

Half Marathon

Tiree Ultra

Ultra · Tiree, Argyll and Bute

35 miles

Dragon's Back Race

Ultra · Conwy

380km

West Coast 200

Ultra · Portmeirion, Gwynedd

200 miles

Causeway Coast Marathon

Running · Portballintrae, County Antrim

Marathon · Half Marathon

Giant's Causeway Coast 64K Ultra

Ultra · Portballintrae, County Antrim

64km

Newport Sprint & Olympic Pool Triathlon

Triathlon · Newport

Sprint · Standard

Rasselbock Backyard Ultra - Hardwick Hall

Backyard · Doe Lea, Derbyshire

Backyard (4.167mi loops)

Sundowner Triathlon

Triathlon · Pocklington, East Riding of Yorkshire

Sprint · Standard · Middle

The Joust 12hr & 24hr

Ultra · Holt Heath, Worcestershire

12 hours · 24 hours

Thetford Back Yard Ultra Festival

Backyard · Thetford, Norfolk

Backyard (4.167mi loops)

Worcester City Runs

Running · Worcester, Worcestershire

Junior · 10K · Half Marathon

ATW Milton Keynes Triathlon

Triathlon · Milton Keynes, Buckinghamshire

Sprint · Standard

Aviemore Triathlon

Triathlon · Aviemore, Highland

Sprint · Standard

Basildon Half Marathon and Juniors

Running · Basildon, Essex

1K Junior · Half Marathon

Bournemouth International Triathlon

Triathlon · Bournemouth, Dorset

Sprint · Standard

Great North Run

Running · Newcastle upon Tyne, Tyne and Wear

Half Marathon

IRONMAN 70.3 Weymouth

Triathlon · Weymouth, Dorset

Middle

New Forest Marathon

Running · Brockenhurst, Hampshire

Marathon · Half Marathon

Reading Triathlon

Triathlon · Reading, Berkshire

Sprint · Standard

The Cheltenham Tri Festival

Triathlon · Cheltenham, Gloucestershire

Sprint · Standard

The Harvathon

Running · Hitchin, Hertfordshire

The Vitruvian Triathlon

Triathlon · Exton, Rutland

Middle

Triathlon y Bala

Triathlon · Bala, Gwynedd

Sprint · Standard · Middle

Saundersfoot Triathlon

Triathlon · Saundersfoot, Pembrokeshire

Sprint

Summit Mentality x Getahead Backyard Ultra

Backyard · Brentwood, Essex

Backyard (4.167mi loops)

Centurion Chiltern Wonderland 50

Ultra · Goring-on-Thames, Oxfordshire

50 miles

Cotswold Way Century

Ultra · Chipping Campden, Gloucestershire

102 miles

Flamingo Land 5k & 10k

Running · Kirby Misperton, North Yorkshire

5K · 10K

Simonside (Thropton Show) Fell Race

Running · Thropton, Northumberland

10.9K

The Brutal Extreme Triathlons

Triathlon · Llanberis, Gwynedd

Standard · Middle · Full

The Turbine Backyard Ultra

Backyard · Durham, County Durham

Backyard (4.167mi loops)

Trails & Tarmac Summer 12hr Backyard Ultra

Backyard · Crickhowell, Powys

Backyard (4.167mi loops) - 12 hour cap

Ultra X England

Ultra · Hope Valley, Derbyshire

50km · 60km · 110km

Belfast City Half Marathon

Running · Belfast, County Antrim

Half Marathon

Falmouth Triathlon (The Seal)

Triathlon · Falmouth, Cornwall

Sprint

Grand Olde Route of York Trail Run

Running · Escrick, North Yorkshire

IRONMAN Wales

Triathlon · Tenby, Pembrokeshire

Full

Run Northumberland Matfen 10k

Running · Matfen, Northumberland

10K

RunThrough Trails Hamsterley Forest

Running · Hamsterley, County Durham

5K · 10K · Half Marathon

Saucony Run Shoreditch Half

Running · London, Greater London

Half Marathon

Altra 13 Valleys Ultra

Ultra · Keswick, Cumbria

185km

GPC Ultra

Backyard · Swadlincote, Derbyshire

Backyard (4.167mi loops)

ATW Grafham Triathlon

Triathlon · Grafham, Cambridgeshire

Sprint · Standard

Castle Race Series - Hever Castle

Triathlon · Hever, Kent

Sprint · Standard · Middle

Cheshire Ring 100

Ultra · Salford, Greater Manchester

100 miles

Ealing Half Marathon

Running · Ealing, Greater London

Half Marathon

Loch Ness Marathon & Festival of Running

Running · Inverness, Highland

Marathon · 10K · 5K

Robin Hood Half Marathon

Running · Nottingham, Nottinghamshire

Half Marathon

Run Sandringham

Running · Sandringham, Norfolk

Community Mile · 5K · Half Marathon

RunThrough Clapham Common 5k, 10k & Half Marathon

Running · London, Greater London

5K · 10K · Half Marathon

Sandman Triathlon & Duathlon

Triathlon · Newborough, Isle of Anglesey

Sprint · Standard · Middle

Vitality London 10,000

Running · London, Greater London

10K