RACE CALENDAR

Pick your races and plan your season with the 220 Knowhow event guide

JUNE

15 World Triathlon Mixed Relay Nottingham (750m S/18km B/4.5km R). Victoria Embankment, Nottingham. nottingham.triathlon.org

TITAN BRECON MIDDLE DISTANCE TRIATHLON (1.2-mile S/60-mile B/ 13.1-mile R). Parc Bryn Bach, Tredegar. dbmax.co.uk

CELTMAN (3.4km S/200kmB/ 42km R). Wester Ross, Scotland. cxtri.com

EASTBOURNE TRIATHLON (various dists). Eastbourne, East Sussex. eastbournetriathlon.co.uk

16 Royal Windsor Triathlon (various dists). Windsor, Berkshire. royalwindsortriathlon.co.uk

BIRMINGHAM TRIATHLON (various dists). Sutton Park, West Mids. uktriathlon.co.uk

THE LAKESMAN (various dists). Keswick, Cumbria. thelakesman.com

BRISTOL JUNIOR TRIATHLON (8-16 years, various dists). Henbury Leisure Centre, Bristol. britishtriathlon.org

TRIATHLON SCOTLAND TRISTAR & YOUTH CHAMPIONSHIP (8-16 years, various dists). Bellahouston Park, Glasgow. fusiontriathlonclub.co.uk

22- 23 The Cardiff Triathlon (various dists). Roald Dahl Plass, Cardiff, Wales. alwaysaimhighevents.com

IMMORTAL EXMOOR (various dists). Wimbleball Lake, Somerset. immortalexmoor.com

CHOLMONDELEY CASTLE TRIATHLON (various dists). Cholmondeley Castle, Cheshire. castletriathlonseries.co.uk

23 DARTFORD BRIDGE TRIATHLON (various dists). The Bridge, Dartford, Kent. bridgetriathlon.co.uk

TRI IN THE PARK ANNAN (new event, with races for everyone from novices to seasoned pros. Various dists). Annan Swimming Pool, Annan, Scotland. triathlonscotland.org

29 BANANA TRIATHLON (various dists). Dorney Lake, Berkshire. humanrace.co.uk

29- 30 Leeds Castle Triathlon Weekend (various dists). Leeds Castle, Kent. triathlon.leeds-castle.com

RIPON TRIATHLON WEEKEND FESTIVAL (various dists). Ripon, North Yorkshire. trihard.co.uk

BOWOOD HOUSE TRIATHLON (various dists). Bowood House, Wilts. lpsevents.co.uk

30 WOODHALL SPRINT TRIATHLON (400m S/24km B/5km R). Jubilee Park, Woodhall Spa, Lincolnshire. osbevents.com

WORTHING TRIATHLON (various dists). Alinora Boat Ramp, West Sussex. rawenergypursuits.co.uk

DRAGON SLAYER (various dists). Redbridge Cycle Centre, Hainault, Ilford, London. elt.london/races/ dragonslayer/

SWANAGE TRIATHLON (various dists). Beach front, Swanage. swanagetriathlonfestival.co.uk

CENTURION TRIATHLON (various dists). Stanborough Lakes, Herts. centuriontri.co.uk

JULY

5- 7 Long Course Weekend (3.8km S/180km B/ 42.2km R). Tenby, Wales. lcwwales.com

6 Salty Sea Dog Triathlon (various dists). Boscombe Beach, Dorset. votwo.co.uk

7 Outlaw Half Holkham (1.2-mile S/56-mile B/ 13.1-mile R). Holkham Hall, Norfolk. outlawtriathlon.com

THE WEYMOUTH MIDDLE DISTANCE TRIATHLON (various dists). Weymouth College, Dorset. bustinskin.com

ST NEOTS TRIATHLON (various dists). Regatta Meadow, St Neots, Cambridgeshire. nicetrievents.com

MAIDSTONE SPRINT TRI (300m S/18km B/ 4.2km R). Sutton Valence School, Maidstone, Kent. velocity-events.co.uk

THE FESTIVAL OF ENDURANCE (various dists). Hever Castle, Kent. castletriathlonseries.co.uk

NORWICH TRIATHLON (various dists). Whitlingham Country Park, Norwich, Norfolk. norwichtriathlon.co.uk

13 guildford triathlon (500m S/22km B/5km R). Surrey Sports Park, Guildford, Surrey. aat-events.com

Woodhorn Museum Triathlon (750m S/20km B/5km R). QE2 Country Park, Northumberland. vo2maxracingevents.co.uk

FIXADDICTION TRIATHLON (400m S/20km B/5km R). Dorney Lake, Windsor, Berkshire. thefixevents.com

THE ISLANDER (1.9km S/90km B/21km R). Mersea Island, Essex. islandraces.com

14 M3 monikie sprint Triathlon (750m S/21km B/5km R). Monikie Country Park, Dundee, Scotland. m3tri.com

Ironman UK (3.8km S/180km B/ 42.2km R). Bolton, Lancashire. eu.ironman.com

Croyde Ocean Triathlon (1.5km S/40km B/12km R). Putsborough Sands, Devon. croydeocean. co.uk

THE FUGITIVE (various dists). Higginson Park, Marlow, Buckinghamshire. f3events.co.uk

YORK TRIATHLON (various dists). York Sports Village, York, Yorkshire. uktriathlon.co.uk

MERSEA ISLAND SPRINT TRIATHLON (750m S/20km B/5km R). Mersea Island, Essex. islandraces.com

DINTON SUPATHLON (1km SUP/5km R). Dinton Pasture Country Park, Berkshire. barnesfitness.co.uk

FAMBRIDGE YACHT HAVEN HALF IRON TRIATHLON (1.9km S/90km C/18km R). Fambridge Yacht Station, nr Chelmsford, Essex. dengieevents.co.uk

20- 21 IMMORTAL FARMOOR (various dists). Farmoor Reservoir, Oxfordshire. immortalfarmoor.com

CASTLE HOWARD TRIATHLON (various dists). Castle Howard, North Yorkshire. castletriathlonseries.co.uk

21 sospan sizzler (1.9km S/90km B/ 20km R). Burry Port Harbour, Llanelli, Wales. healthylifeactivities.co.uk

BLITHFIELD TRIATHLON (various dists). Abbots Bromley, Staffordshire. pma-racing.co.uk

OWLER TRIATHLON (various dists). Lydd Lake, Lydd, Kent. trispiritevents.com

21- 28 CONTINUOUS DECA (various dists). Allerthorpe Lakeland Park, York, Yorkshire. decauk.co.uk

27- 28 SNOWMAN TRIATHLON (various dists). Plas y Brenin National Mountain Sports Centre, Capel Curig, Wales. alwaysaimhighevents.com

LONDON TRIATHLON (various dists). ExCeL Centre, London Docklands. livetotri.co.uk

28 Outlaw Nottingham (2.4-mile S/112-mile B/ 26.2-mile R). National Watersports Centre, Holme Pierrepont, Notts. outlawtriathlon.com

REDCAR SPRINT TRIATHLON (750m S/20km B/5km R). Redcar Seafront, North Yorkshire. trihard.co.uk

HENLEY TRIATHLON (various dists). Henley Leisure Centre, Henley-on-Thames, Oxfordshire. uktriathlon.co.uk

AUGUST

3 cleveland steelman (various dists). Ellerton Park, Richmond, Yorkshire. clevelandtriathlon.co.uk

Salty Sea Dog Triathlon (various dists). Boscombe Beach, Dorset. votwo.co.uk

Parc Bryn Bach – Tri in Tredegar 2019 (various dists). Parc Bryn Bach, Blaenau Ffestiniog, Gwent, Wales. welshtriathlon.org

3- 4 BEWL TRIATHLON/ OPEN WATER SWIMS (various dists). Bewl Water, Tunbridge Wells, Kent. tlsports.co.uk

4 Seaham Harbour Triathlon (1.5km S/40km B/ 10km R). Seaham Harbour, County Durham. getsetnorth.org

Allerthorpe Classic Triathlon (various dists). Allerthorpe Lakeland Park, Pocklington, York. freebirdevents.co.uk

Bassetlaw Sprint Triathlon (400m S/24km B/5km R). Worksop Leisure Centre, Worksop, Nottinghamshire. bassetlawtriclub.co.uk

Cotswold Classic Middle Distance Triathlon (1.9km S/90km B/ 21.1km R). Cotswold Country Park Lake and Beach, Cirencester. 113events.com

Cowman, Calfman and Stampede Triathlons (various dists). Emberton Country Park, Olney, Buckinghamshire. big-cow.com

Dorney Lake Triathlon (various dists). Dorney Lake, Windsor. theraceorganiser.com

10 SOUTH COAST TRIATHLON (various dists). Seaford, East Sussex. uktriathlon.co.uk

10-11 MIDNIGHT MAN (various dists). Dartford, Kent. bridgetriathlon.co.uk

COTSWOLDS LAKE 62 TRIATHLON (various dists). Lake 62, Ashton Keynes, Wiltshire. lpsevents.co.uk

11 craggy island triathlon (date to be confirmed, various dists). Isle of Kerrera, nr. Oban, Scotland. durtyevents.com

COTSWOLDS STANDARD TRIATHLON (various dists). Lake 62, Cotswolds Water Park, Ashton Keynes, Wiltshire. lpsevents.co.uk

OXLEY TRIATHLON (various dists). Oxley Sports Centre, Sherborne, Dorset. wessexwizards.co.uk

BEDFORD TRIATHLON (1.5km S/41km B/10km R). Russell Park, The Embankment, Bedford. bedfordtriathlon.co.uk

DORNEY TRIATHLON (various dists). Dorney Lake, Windsor. activetrainingworld.co.uk

ST EDS’ TRI – THE GREENE & GREENE TRIATHLON FESTIVAL (various dists). Abbeycroft Leisure, Bury St Edmunds, Suffolk. haversports.com

16-18 Big Lime Weekend (various dists). National Museum of the Royal Navy, Hartlepool, County Durham. gethartlepoolactive.co.uk

17 PORTISHEAD SPRINT TRIATHLON (400m S/25km B/5km R). Portishead Lido, Somerset. dbmax.co.uk

LOCH TAY SPRINT TRIATHLON (750m S/20km B/5km R). Taymouth Castle, Kenmore, nr Aberfeldy. durtyevents.com

BASSENTHWAITE TRIATHLON (various dists). Bassenthwaite Sailing Club, Bassenthwaite Lake, Cockermouth, Cumbria. bass-triathlon.co.uk

BREDON’S HARDWICK SPRINT TRIATHLON (750m S/24km B/5km R). Croft Farm Water Park, Bredon’s Hardwick, nr. Tewkesbury, Gloucestershire. tewkesburytriathlon.co.uk

LONDON AQUATHLON

(400m S/5km R). London Aquatics Centre, Olympic Park, London. theraceorganiser.com

18 Aberfeldy Triathlon (1.9km S/90km B/21km R). Taymouth Castle, Kenmore, nr. Aberfeldy. durtyevents.com

Hertfordshire SUMMER Triathlon (various dists). Stanborough Lakes, Welwyn Garden City, Hertfordshire. activetrainingworld.co.uk

MONSTER STANDARD & MIDDLE (various dists). Jubilee Gardens, Ely, Cambridgeshire. letsdothis.com

EVOLVE HALF TRIATHLON

(2km S/90km B/20km R). Blue Lagoon Diving & Leisure, Womersley, Pontefract, Yorkshire. bluelagooners.com

RINGMER TRIATHLON (various dists). Ringmer Community College, Ringmer, East Sussex. hedgehogtri.co.uk

COSMESTON SPRINT TRIATHLON (750m S/20km B/5km R). Cosmeston Lakes Country Park & Medieval Village, Penarth, Wales. cardifftri.net

THE BIDEFORD TRIATHLON (600m S/23km B/5km R). Bideford Quay, Devon. bidefordtriathlon.co.uk

23- 25 WIGGLE FESTIVAL OF SPORT (various dists). Pylewell Park, Hampshire. wiggle.co.uk

24 triathlon Relays championship (500m S/15km B/5km R). National Watersports Centre, Nottingham. osbevents.com

25 Aviemore Triathlon (various dists). Badaguish Centre, Glenmore Forest, Cairngorm National Park, Scotland. durtyevents.com

WEST LANCS SUMMER TRIATHLON (750m S/21.4km B/5km R). Edge Hill University, Ormskirk, Lancashire. epicevents.co.uk

WIRRAL TRIATHLON (400m S/18.5km B/ 5km R). Wirral Sailing Centre, West Kirby, Merseyside. epicevents.co.uk

ACTIVE LIFE OYSTERMAN TRIATHLON (0.5km S/20km B/5km R). Marine Parade, Whitstable, Kent. letsdothis.com

26 thames turbo london series race 2 (426m S/21.5km B/5km R). Hampton Outdoor Pool, Hampton, Middlesex. raceseries.thamesturbo. com

29-1 UMUK

(various dists). Meeting at the Swallow Falls Hotel, Conwy, North Wales. racingquest.co.uk

31 THE BRUTAL EXTREME (various dists). Llanberis, North Wales. brutalevents.co.uk

GOWER TRIATHLON

(1.5km S/37km B/10km R). Port Eynon, Swansea, Wales. gowertriathlon.com

SUNDOWNER

(1.9km S/90km B/21km R). Allerthorpe Lakeland Park, nr. York, East Yorkshire. freebirdevents.co.uk

31-1 THE HEB

(a triathlon with a difference, this annual contest includes cycling, running and kayaking. Various dists). The Hebrides. durtyevents.com

COTSWOLDS LAKE 62 END OF SEASON TRIATHLON (various dists). Lake 62, Ashton Keynes, Wiltshire. lpsevents.co.uk

SEPTEMBER

1 WEYMOUTH CLASSIC & SPRINT TRIATHLON (various dists). Beachside Leisure Centre, Weymouth, Dorset. bustinskin.com

ST NEOTS SUPER-SPRINT, SPRING & STANDARD TRIATHLONS (various dists). Regatta Meadow, St Neots, Cambs. nicetrievents.com

HELVELLYN TRIATHLON

(1.6km S/61.2km B/ 14.5km R). Jenkins Field, Glenridding, Cumbria. trihard.co.uk

READING TRIATHLON

(various dists). Tri2O Swim Centre, Kirtons Farm, Reading, Berkshire. eventrac.co.uk

LLANRWST SPRINT TRIATHLON (400m S/25km B/5km R). Llanrwst Swimming Pool, Llanrwst, Wales. gogtriathlon.com

LOUTH TRIATHLON

(various dists). Meridian Leisure Centre, Louth, Lincolnshire. sbrevents.co.uk

MIDSOMER TRIATHLON

(400m S/21km B/ 5.5km R). Midsomer Norton Leisure Centre, Gullock Tyning, Somerset. midsomertriathlon.co.uk

NEW FOREST MIDDLE DISTANCE TRIATHLON (various dists). Moyles Court School, Moyles Court, Ringwood, Hampshire. newforesttriathlon.co.uk

NEWBURY TRIATHLON

(300m S/22km B/5km R). Northcroft Leisure Centre, Newbury, Berks. teamkennet.com

PERRANPORTH EXTREME SURF TRIATHLON (1.5km S/38km B/7.5km R). Perranporth Inner Green and Beach, Cornwall. perranporthslsc.org.uk

STOWE TRIATHLON (750m S/16km B/5km R). Stowe School, Bucks. big-cow.com

BOX END TRIATHLON (various dists). Box End Lakes, Bedford. boxendtriathlon.co.uk

7 the roc summer (endurance event climbing Mt. Snowdon). Abersoch Beach, Wales. abersochtriplecrown.com

7- 8 WOBURN ABBEY TRIATHLON (various dists). Woburn Abbey, Beds. humanrace.co.uk

8 Arundel Castle Triathlon (1.5km S/37.7km B/ 10km R). Arundel, West Sussex. rawenergypursuits.co.uk

SHROPSHIRE TRIATHLON (various dists). The Mere, Cremorne Gardens, Ellesmere, Shropshire. uktriathlon.co.uk

BOURNEMOUTH INTERNATIONAL TRI (various dists). Pier Approach, Bournemouth. bournemouth internationaltriathlon.co.uk

BEAST OF BEDFORD (various dists). Box End Park, Bedford. beastofbedford.co.uk

Channel Triathlon (various dists). Folkestone Harbour, Folkestone, Kent. trispiritevents.com

DESCENTE LONDON DUATHLON (various dists). Richmond Park, London. londonduathlon.com

14 SAUNDERSFOOT TRIATHLON (750m S/20km B/5km R). Pembrokeshire, Wales. saundersfoottriathlon.com

14-15 SANDMAN TORCH LIGHT TRAIL (various dists). Llanddwyn Beach, Newborough Forest, Anglesey, Wales. alwaysaimhighevents.com

15 Brighton and Hove Triathlon (various dists). Brighton, East Sussex. brightonand hovetriathlon.com

Ironman Wales (3.8km S/180km B/ 42.2km R). Tenby, Wales. eu.ironman.com

SEASON FINALE TRIATHLON (various dists). Dorney Lake, Berkshire. humanrace.co.uk

DERBY TRIATHLON (400m S/18km B/5km R). Etwall, Derby. pma-racing.co.uk

21 TRI Challenge Team Triathlon (400m S/15km B/5km R). Ashbourne, Derbyshire. thefixevents.com

22 Darley Moor Duathlon Weekend (5km R/20km B/2.5km R). Ashbourne, Derbyshire. crazylegsevents.co.uk

NORTH WEST TRIATHLON (various dists). Barony Park, Cheshire. uktriathlon.co.uk

Ironman 70.3 Weymouth (1.9km S/90km B/ 21.1km R). Weymouth, Dorset. eu.ironman.com

Newent Triathlon (400m S/18km B/4km R). Freedom Leisure, Newent, Gloucestershire. freedom-leisure.co.uk

Outlaw x (1.9km S/90km B/ 21.1km R). Thoresby Hall, Notts. outlawtriathlon.com

Kendal Castle Autumn sprint Triathlon (400m S/20km B/5km R). Kendal Leisure Centre, Kendal, Cumbria. t2.events

teesdale triathlon (400m S/18-mile B/ 3-mile R). Teesdale Leisure Centre, Barnard Castle, County Durham. darlingtontri.com

End Of Season Epworth Sprint Triathlon (400m S/20km B/5km R). Epworth Leisure Centre, Doncaster, Yorkshire. adwicktri.com

neath valley triathlon (400m S/22km B/3km R). Vale of Neath Leisure Centre, Neath, South Wales. neathvalleytriathlon.weebly.com

28 MUMBLES TRIATHLON (various dists). Mumbles, Pembrokeshire, Wales. mumblestri.com

28- 29 HEVER CASTLE TRIATHLON (various dists). Hever Castle, Kent. castletriathlonseries.co.uk

29 STATHERN DUATHLON (5km R/18km B/5km R). Stathern, Melton Mowbray, Leicestershire. stathernduathlon.org.uk

CHILHAM CASTLE DUATHLONS (various dists). Chilham Castle, Chilham Park, Kent . trispiritevents.com

DAWLISH TRIATHLON (750m S/16km B/5km R). Dawlish Warren , East Devon. sportivaevents.co.uk

EAST LEAKE ‘END OF SEASON’ TRIATHLON (400m S/22km B/5km R). East Leake Leisure Centre, East Leake, Loughborough, Leicestershire. 4lifeeventsuk.co.uk

HEMEL HEMPSTEAD TRIATHLON (various dists). Hemel Hempstead Leisure Centre, Hertfordshire. everyoneactive.com

OULTON PARK AUTUMN DUATHLON (various dists). Oulton Park Circuit, Little Budworth, Cheshire. stuweb.co.uk

KEYO BRIGG SPRINT TRIATHLON (various dists). Ancholme Leisure Centre, Scawby, Brigg, North Lincolnshire. lincsquad.co.uk

THE PLYMOUTH TRIATHLON (1.5km S/40km B/10km R; plus a junior aquathlon). Mount Batten Centre, Plymouth, Devon. plymouthtriclub.co.uk

SOUTHAMPTON FAST TWITCH TRIATHLON (various dists). Applemore Leisure Centre, Claypits Lane, Dibden, Hampshire. southamptonfasttwitchtri.co.uk

OCTOBER

6 WARWICKSHIRE TRIATHLON (various dists). Stratford Leisure Centre, Warwickshire. uktriathlon.co.uk

CARMARTHEN SPRINT TRIATHLON (400m S/23km B/5km R). Carmarthen Leisure Centre, Wales. healthylifeactivities.co.uk

GREAT NOTLEY AUTUMN DUATHLON (4km R/20km B/4km R). Great Notley Country Park, Braintree, Essex. born2tri.com

MINEHEAD SPRINT TRIATHLON (750m S/20km B/5km R). The Adventure Centre, Minehead, Somerset. channelevents.co.uk

THRUXTON MASS ATTACK DUATHLON (various dists). Thruxton Race Circuit, Andover, Hampshire. challenging.events

13 Bedford Autodrome Duathlons (various dists). Thurleigh Airfield Business Park, Bedfordshire. nicetrievents.com

BOWOOD HOUSE DUATHLON (various dists). Bowood House & Gardens, Wiltshire. lpsevents.co.uk

20 Cowman, Calfman and Stampede Duathlons (various dists). Emberton Country Park, Olney, Buckinghamshire. big-cow.com

BEACH RACE – RACE THE TIDE! (low-tide beach run with a choice of 5km or 10km races). Pier Approach, Bournemouth. beachrace.co.uk

27 BRETT RAPID DUATHLON (various dists). Lydd Lake, Kent. trispiritevents.com

NOVEMBER

3 coed y brenin trail duathlon (various dists). Coed y Brenin, Dolgellau, Gwynedd, Wales. alwaysaimhighevents.com

BURNTWOOD AQUATHLON (various inc. Tristar and Youths). Burntwood Leisure Centre, Staffs. burntwoodtriclub.org.uk

10 Hillingdon November Family Duathlon (various dists). Minet Country Park, Hayes, London. hillingdontriathletes.co.uk

28- 29 Escape to Afan (various dists). Bryn Bettws Lodge, Port Talbot, Wales. toughrunneruk.com

COLIN HENDERSON CELTMAN 15 JUNE Want more than an Ironman? The long-course Celtman includes a deeply cold 3.4km swim, an extended 200km bike before a marathon run over two Munros.

DIRTY GREEN TRAINERS LONG COURSE WEEKEND 5-7 JULY One of the biggest weekends in endurance sport, with the three iron distances split over three days. Expect epic course views and atmosphere.

HOWABOUTDAVE PHOTOGRAPHY CROYDE OCEAN TRIATHLON 14 JULY A sea swim in the surfer’s honeypot of Putsborough Beach, a hilly road bike, before the 12km run hugs takes things off road, including a beach run at Croyde.

NIGEL FARROW MIDNIGHT MAN 10-11 AUGUST A cheap iron-distance race (£169) with a warm lake swim and flat bike and run course… that takes place at night! Quarter, half and aqua bike events also available.

JASON NEWSOME HELVELLYN TRIATHLON 1 SEPTEMBER A British classic in the heart of the Lake District, this race is designed to separate the boys/girls from the men/women.

PERRANPORTH EXTREME SURF TRIATHLON 1 SEPTEMBER Celebrating its 30th birthday in 2017, the Cornish classic sees athletes battle surf, hills, sand and cliffs over an (almost) Olympic-distance course.

GETTY IMAGES IRONMAN 70.3 WEYMOUTH 22 SEPTEMBER This Dorset-set beauty has already become a classic on the 70.3 circuit due to its clear sea swim, rolling bike leg and spectator-lined seafront run.

ALWAYS AIM HIGH COED Y BRENIN TRAIL DUATHLON 3 NOVEMBER A tough but rewarding blend of famous trails and routes previously closed to cyclists and runners, plus steep climbs and rewarding descents.