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Triathlons in the United Kingdom

2026 and 2027 race calendar. 14 upcoming, updated daily.

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Map of races in United Kingdom
RunningTrailCyclingTriathlonObstacleGroup of races
Angus1Bristol1Buckinghamshire4Cambridgeshire1Cheshire3City of Edinburgh2Conwy4Cornwall3County Antrim3Cumbria16Derbyshire2Devon1Dorset2Dumfries and Galloway1East Dunbartonshire2East Sussex3Glasgow City1Gloucestershire1Greater London7Greater Manchester7Gwynedd7Hampshire7Highland3Isle of Anglesey4
All 49 regions
Angus1Bristol1Buckinghamshire4Cambridgeshire1Cheshire3City of Edinburgh2Conwy4Cornwall3County Antrim3Cumbria16Derbyshire2Devon1Dorset2Dumfries and Galloway1East Dunbartonshire2East Sussex3Glasgow City1Gloucestershire1Greater London7Greater Manchester7Gwynedd7Hampshire7Highland3Isle of Anglesey4Leicestershire2Lincolnshire2London1Monmouthshire1Newport1Norfolk3North Ayrshire1North Yorkshire6Northumberland2Nottinghamshire4Oxfordshire3Pembrokeshire2Perth and Kinross1Somerset2South Yorkshire2Stirling1Suffolk1Surrey2Swansea3Tyne and Wear3Wales1West Lothian1West Midlands3West Sussex2West Yorkshire6
14 upcoming
Sport
AllRunning50Trail64Cycling6Triathlon14Obstacle8
Distance
AnySprint8Olympic470.38140.64
May 2027

Outlaw Nottingham Weekend

Nottingham, Nottinghamshire, United Kingdom · May 22 to May 23, 2027
TriathlonSprint70.3Aquabike
June 2027

Supertri Blenheim Palace

Woodstock, Oxfordshire, United Kingdom · Jun 5 to Jun 6, 2027
TriathlonSprintSuper sprint

Slateman Triathlon

Llanberis, Gwynedd, United Kingdom
TriathlonSprintOlympic70.3140.6
July 2027

Outlaw Holkham

Holkham, Norfolk, United Kingdom · Jul 3 to Jul 4, 2027
Triathlon10KSprint70.3Aquabike

Outlaw Original

Nottingham, Nottinghamshire, United Kingdom · Jul 24 to Jul 25, 2027
TriathlonSprint70.3140.6Aquabike
August 2027

IRONMAN Leeds

Leeds, West Yorkshire, United Kingdom
Triathlon140.6

London T100 Triathlon

London, United Kingdom · Aug 21 to Aug 22, 2027
TriathlonSprintOlympic100 km
September 2027

IRONMAN Wales

Tenby, Pembrokeshire, United Kingdom
Triathlon140.6

Sandman Triathlon

Newborough, Isle of Anglesey, United Kingdom
TriathlonSprintOlympic70.3
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