
| Triathlons in United Kingdom | |||||
| Triathlon | City | Month | Map |
Race Type(s) | Race Distance(s) |
| Chirk Triathlon | Chirk | April | | Sprint | | S: 400me B: 24km R: 5km | |
| Duston Triathlon | Duston | April | | Sprint | | S: 400me B: 20km R: 5km | |
| Hungerford Fast Twitch Triathlon | Hungerford | April | | Sprint | | S: 400me B: 16.5mi R: 4mi | |
| Skitpon Triathlon | Skipton | April | | Sprint | Relay | | S: 400me B: 20km R: 5km | |
| Steyning Triathlon | Steyning | April | | International | Sprint | | S: 800me B: 35km R: 8km / S: 400me B: 20km R: 5km | |
| Thames Turbo Triathlon Series #1 | Hampton | April | | Sprint | | S: 426me B: 21km R: 5km | |
| Tidworth Fast Twitch Triathlon | Tidworth | April | | Sprint | | S: 400me B: 16mi R: 4mi | |
| Blenheim Triathlon | Woodstock | May | | Sprint | | S: 750me B: 20km R: 5km / S: 400me B: 10km R: 2.5km | |
| Cleveland Sprint Triathlon | Acklam | May | | Sprint | | S: 400me B: 15mi R: 3mi | |
| Dorchester Fast Twitch Triathlon | Dorchester | May | | Sprint | | S: 400me B: 14mi R: 5mi | |
| Edinburgh Sprint and Novice Triathlon | Edinburgh | May | | Sprint | Kids | | S: 750me B: 20km R: 5km / S: 400me B: 10km R: 5km / S: 350me B: 10km R: 2.5km / S: 150me B: 5km R: 1.5km / . | |
| Eton Super Sprint Triathlon | Eton | May | | Sprint | | S: 400me B: 20km R: 5km | |
| Harlech Triathlon | Harlech | May | | Sprint | | S: 400me B: 37km R: 6km | |
| Hatch End - Harrow Triathlon | Hatch End | May | | Sprint | Kids | | S: 400me B: 17km R: 3km / S: 280me B: 5km R: 3km / S: 280me B: 4km R: 2km / . | |
| Hillingdon Triathlon Series #1 | West London | May | | Sprint | | S: 600me R: 6km B: 25km | |
| Kirkwall Standard Distance Triathlon | Kirkwall | May | | Olympic | | S: 1500me B: 40km R: 10km | |
| Leicester Triathlon | Desford | May | | Sprint | Relay | | S: 400me B: 20km R: 5km | |
| Leybourne Lake Midweek Series #1 | Leybourne | May | | Sprint | | S: 550me B: 20km R: 5km | |
| Llanelli Sprint Triathlon | Llanelli | May | | Sprint | | S: 750m B: 27km R: 5km | |
| Lydney Triathlon | Lydney | May | | Sprint | | S: 400me B: 20km R: 5km | |
| Malvern Sprint Triathlon | Malvern | May | | Sprint | | S: 400yd B: 25km R: 5km | |
| New Forest Sprint Triathlon | Ringwood | May | | Sprint | | S: 750me B: 35km R: 8km | |
| Salisbury Fast Twitch Triathlon | Salisbury | May | | International | | S: 400me B: 22mi R: 5mi | |
| Southwell Sprint Triathlon | Southwell | May | | Sprint | | S: 400me B: 20km R: 5km | |
| Stratford 220 Triathlon | Stratford-upon-Avon | May | | Sprint | | S: 400me B: 23km R: 5km / S: 200me B: 23km R: 2.5km | |
| Thames Turbo Triathlon Series #2 & #3 | Hampton | May | | Sprint | | S: 426me B: 21km R: 5km | |
| Torbay Young Persons Triathlon | Goodrington | May | | Kids | | S: 400me B: 10km R: 3.2km / S: 266me B: 6km R: 2.4km / S: 200me B: 4km R: 1.6km / . | |
| Try-a-Tri | Cardiff | May | | Sprint | | S: 400me B: 10mi R: 3mi | |
| Woodhall Spa Sprint Triathlon | Woodhall Spa | May | | Sprint | | S: 400me B: 35km R: 5km | |
| Arundel Triathlon | Arundel | June | | International | Sprint | Relay | | S: 800me B: 40km R: 10km / S: 400me B: 20km R: 5km | |
| AXLR8 Triathlon | Crowthorne | June | | Sprint | | S: 200me B: 17km R: 5km | |
| Ayr Sprint Triathlon | Ayr | June | | Sprint | | S: 750me B: 20km R: 5km | |
| Bala Middle Distance Triathlon | Bala | June | | Half | | S: 2km B: 78.5km R: 20km | |
| Cheshire Triathlon | Nantwich | June | | Sprint | | S: 500me B: 20km R: 5km / S: 200me B: 20km R: 2.5km | |
| Cleveland Short Course Triathlon | Scorton | June | | International | | S: 800me B: 34km R: 7.5km | |
| Cosmeston Triathlon | Penarth | June | | Sprint | | S: 750me B: 20km R: 5km | |
| Dambuster Triathlon | Whitwell | June | | International | | S: 1500me B: 42km R: 9.6km | |
| Dorney Triathlon | Eton | June | | Olympic | International | | S: 1500me B: 41km R: 10km / S: 800me B: 30km R: 7.5km | |
| Grendon Triathlon | Grendon | June | | Sprint | | S: 750me B: 20km R: 5km | |
| Hillingdon Triathlon Series #2 | West London | June | | Sprint | | S: 600me R: 6km B: 25km | |
| Leybourne Lake Midweek Series #2 | Leybourne | June | | Sprint | | S: 550me B: 20km R: 5km | |
| Mansfield Sprint Triathlon | Mansfield | June | | Sprint | | S: 400me B: 20km R: 5km | |
| Marlborough Fast Twitch Triathlon | Marlborough | June | | Sprint | Relay | | S: 400me 20mi R: 5km | |
| Mold Sprint Triathlon | Mold | June | | Sprint | | S: 400me B: 25km R: 5km | |
| Northampton Classic Tri | Grendon | June | | Olympic | | S: 1500me B: 26mi R: 6mi | |
| Royal Windsor Triathlon | Windsor | June | | International | Sprint | | S: 1500me B: 42km R: 10km / S: 750me B: 30km R: 5km | |
| Royles Deva Triathlon | Chester | June | | Olympic | | S: 1.5km B: 40km R: 10km | |
| Stirling Triathlon | Stirling | June | | Sprint | Kids | | S: 750me B: 20km R: 5km / S: 400me B: 11km R: 2.5km / S: 200me B: 4km R: 2km | |
| Sussex Triathlon | West Sussex | June | | Sprint | Short | | S: 500me B: 24km R: 5km / S: 250me B: 24km R: 2.5km | |
| TIMEX WomenOnly Triathlon | Eton | June | | International | Sprint | | S: 800me B: 30km R: 7.5km / S: 400me B: 10km R: 5km / S: 200me B: 5km R: 2.5km | |
| TriFest - Sprint Triathlon | Olney | June | | Sprint | | S: 750me B: 20km R: 5km | |
| Walden Triathlon | Saffron Walden | June | | Sprint | | S: 750me B: 28km R: 5km | |
| Weymouth Middle Distance Triathlon / Sprint Triathlon | Weymouth | June | | Half | Sprint | Relay | | S: 1900me B: 56mi R: 13.1mi / S: 750me B: 20km R: 5km | |
| Andover Triathlon | Andover | July | | Sprint | Kids | | S: 440me B: 30km R: 8km / S: 88me B: 2km R: 750me | |
| Ashford Triathlon | Ashford | July | | Olympic | | S: 1500me B: 40km R: 10km | |
| BananaMan Triathlon | Eton | July | | International | | S: 800me B: 30km R: 7.5km | |
| Beaver Triathlon, The | Belvoir | July | | Long | | S: 2km B: 85km R: 20km | |
| Bournemouth International / Sprint Triathlon | Bournemouth | July | | Olympic | Sprint | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| Bude Triathlon | Bude | July | | Sprint | | S: 500me B: 11mi R:3mi | |
| City of Bath Triathlon | Bath | July | | Olympic | Sprint | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| Cleveland Steelman Triathlon | Scorton | July | | Half | | S: 2000me B: 90km R: 21km | |
| Darley Park Sprint Triathlon | Etwall | July | | Sprint | | S: 400me B: 18km R: 5km | |
| David Lloyd Lincoln Sprint Triathlon | Lincoln | July | | Sprint | | S: 400me B: 14mi R: 3mi | |
| East Leake Triathlon | East Leake | July | | Sprint | Relay | | S: 400me B: 20km R: 5km | |
| Gullane Beach Triathlon | Gullane | July | | Olympic | | S: 1500me B: 42km R: 10km | |
| Hillingdon Triathlon Series #3 | West London | July | | Sprint | | S: 600me R: 6km B: 25km | |
| Ironbridge Classic Triathlon | Ironbridge | July | | Olympic | Sprint | | S: 1500me B: 38km R: 10km / S: 750me B: 25km R: 5km / 200me B: 12.5km R: 3.5km | |
| Leybourne Lake Midweek Series #3 | Leybourne | July | | Sprint | | S: 550me B: 20km R: 5km | |
| Leybourne Lake Midweek Series #4 | Leybourne | July | | Sprint | | S: 550me B: 20km R: 5km | |
| Milton Keynes Triathlon | Olney | July | | Olympic | | S: 1500me B: 40km R: 10km | |
| Mourne Olympian Triathlon | Castlewellan | July | | Olympic | | S: 1km B: 32km R: 8km | |
| Royles Deva Divas Triathlon | Chester | July | | Women | | S: 750me B: 16km R: 5km | |
| Salford Triathlon | Salford | July | | Olympic | Sprint | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| Terrapin Sprint Triathlon | Leicester | July | | Sprint | | S: 750me B: 21km R: 5km / S: 500me B: 21km R: 3km | |
| Totton Triathlon | Totton | July | | Sprint | | S: 400me B: 22km R: 6.5km | |
| Trentham Triathlon | Trentham | July | | Half | Olympic | Sprint | | S: 1.2mi B: 56mi R: 13.1mi / S: 1500me B: 46km R: 10km / S: 750me B: 23km R: 5km / S: 200me B: 11.5km R: 2.5km | |
| Wakefield Triathlon | Wakefield | July | | Olympic | | S: 1500me B: 40km R: 10km | |
| Worthing Triathlon | Worthing | July | | Olympic | Relay | | S: 1500me B: 43km R: 10km | |
| Clumber Park Sprint Triathlon | Clumber Park | August | | Olympic | Sprint | | S: 1.5km B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| CowMan Triathlon | Olney | August | | Half | | S: 1900me B: 92km R: 21km | |
| Denbigh Sprint Triathlon | Denbigh | August | | Sprint | | S: 400me B: 25km R: 5km | |
| Hebburn Triathlon | Hebburn | August | | Sprint | Relay | | S: 400me B: 20km R: 5km | |
| Ironman Uk | Sherborne | August | | Ironman | | S: 2.4mi B: 112mi R: 26.2mi | |
| Jersey Standard Distance Triathlon | St Aubin | August | | Olympic | Relay | | S: 1500me B: 40km R: 10km | |
| Leybourne Lake Midweek Series #5 | Leybourne | August | | Sprint | | S: 550me B: 20km R: 5km | |
| Leybourne Lake Midweek Series #6 | Leybourne | August | | Sprint | | S: 550me B: 20km R: 5km | |
| London Triathlon | London | August | | Olympic | Sprint | | S: 1500me B: 40km R: 10km / S: 750M B: 20km R: 5km / S: 400me B: 10km R: 2.5km | |
| Lough Neagh Triathlon | Ballyronan | August | | Olympic | | S: 1500me B: 40km R: 10km | |
| North East Childrens Triathlon | Hebburn | August | | Kids | | S: 400me B: 8km R: 3km / S: 300me B: 6km R: 2400me / S: 200me B: 4km R: 1800me / S: 150me B: 2km R: 120me /. | |
| Nottingham Triathlon | Nottingham | August | | Sprint | | S: 750me B: 20km R: 5km | |
| Portobello Sprint Triathlon | Portobello | August | | Sprint | | S: 750me B: 20km R: 5km | |
| St. Agnes Triathlon | St. Agnes | August | | Sprint | | S: 800me B: 12.5mi R: 3mi | |
| Swanage Classic Triathlon / Sprint Triathlon | Swanage | August | | Olympic | Sprint | Relay | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| Thames Turbo Triathlon Series #4 | Hampton | August | | Sprint | | S: 426me B: 21km R: 5km | |
| Worcester Sprint Triathlon | Droitwich | August | | Sprint | | S: 400me B: 20km R: 5km | |
| Bala Standard Distance Triathlon | Bala | September | | Olympic | | S: 1.5km B: 40km R: 10km | |
| Clacton Triathlon Weekend | Holland on Sea | September | | Olympic | Sprint | Relay | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km | |
| Guernsey Standard Distance Triathlon | Pembroke | September | | Olympic | | S: 1500me B: 40km R: 10km | |
| New Forest Middle Distance Triathlon | Ringwood | September | | Half | | S: 1900me B: 59mi R: 13mi | |
| North West Classic Triathlon | Nantwich | September | | Sprint | | S: 500me B: 20km R: 5km / S: 200me B: 20km R: 2.5km | |
| Orkney Middle Distance Triathlon | Kirkwall | September | | Half | | S: 1.9km B: 100km R: 20km | |
| Roade Triathlon | Roade | September | | Sprint | | S: 414me B: 20km R: 5km | |
| South Coast Classic Triathlon | Seaford | September | | Olympic | Sprint | | S: 1500me B: 40km R: 10km / S: 750me B: 20km R: 5km / S: 200me B: 10km R: 2.5km | |
| UK Ironman 70.3 | Longleat | September | | Half | | S: 1.2mi B: 56mi R: 13.1mi | |
| Vitruvian Triathlon | Oakham | September | | Half | | S: 1900me B: 85km R: 21km | |
| Xterra UK | Neath | September | | Xterra | | S: 1500me B: 34km MTB R: 10km / S: 750me B: 17km R: 5km | |
| Xtreme Terrain Triathlon | Camberley | September | | Off-Road | | S: 1.5km B: 24km MTB R: 10km | |
| Rhayader Triathlon | Rhayader | October | | Sprint | | S: 400me B: 17.5km R: 5km | |