UK middle distance triathlons
32 coming up. UK middle distance and 70.3 triathlons: 1.9km swim, 90km bike, half marathon run.
May 2027
4 races
Outlaw Nottingham Weekend (Outlaw Half)
Triathlon · Nottingham, Nottinghamshire
Sprint · Middle
ATW Box End Triathlon
Triathlon · Kempston, Bedfordshire
Sprint · Standard · Middle
The Kernowman (Marazion Triathlon)
Triathlon · Marazion, Cornwall
Sprint · Standard · Middle
Marlow Triathlon
Triathlon · Marlow, Buckinghamshire
Sprint · Standard · Middle
June 2027
9 races
Wales Triathlon
Triathlon · Fishguard, Pembrokeshire
Sprint · Standard · Middle
ATW Grafman Middle Distance Triathlon
Triathlon · Grafham, Cambridgeshire
Middle
Sold outIRONMAN 70.3 Bolton
Triathlon · Bolton, Greater Manchester
Middle
Plymouth Triathlon
Triathlon · Cremyll, Cornwall
Sprint · Standard · Middle
The Wild Boar 70.3 and Olympic Triathlon
Triathlon · Cinderford, Gloucestershire
Sprint · Standard · Middle
Titan Brecon Middle Distance Triathlon
Triathlon · Tredegar, Blaenau Gwent
Middle
The Lakesman Triathlons
Triathlon · Keswick, Cumbria
Middle · Full
Ultimate Triathlon 150 / 100 / 50
Triathlon · Ellesmere, Shropshire
Standard · Middle
Castle Race Series - Cholmondeley Castle
Triathlon · Cholmondeley, Cheshire
Sprint · Standard · Middle
July 2027
6 races
Outlaw Holkham Weekend (Outlaw Half Holkham)
Triathlon · Wells-next-the-Sea, Norfolk
Sprint · Middle
IRONMAN 70.3 Swansea
Triathlon · Swansea
Middle
Castle Race Series - Belvoir Castle
Triathlon · Belvoir, Leicestershire
Sprint · Standard · Middle
Castle to Coast Triathlon
Triathlon · Windsor, Berkshire
Middle
Outlaw Original Weekend
Triathlon · Nottingham, Nottinghamshire
Sprint · Middle · Full
Snowman Triathlon & Duathlon
Triathlon · Capel Curig, Conwy
Sprint · Standard · Middle
August 2027
5 races
ATW First to Full Triathlon Festival
Triathlon · St Neots, Cambridgeshire
Sprint · Standard · Middle
London T100 (age-group races)
Triathlon · London, Greater London
Sprint · Standard · Middle
The Restless Xtreme Gravel Triathlon
Triathlon · Lochgoilhead, Argyll and Bute
Middle
The Geordieman
Triathlon · Morpeth, Northumberland
Middle · Full · Duathlon
Wimbleball Lake Triathlon
Triathlon · Dulverton, Somerset
Sprint · Standard · Middle
September 2027
8 races
Ellesmere Triathlon
Triathlon · Ellesmere, Shropshire
Sprint · Standard · Middle
Sundowner Triathlon
Triathlon · Pocklington, East Riding of Yorkshire
Sprint · Standard · Middle
IRONMAN 70.3 Weymouth
Triathlon · Weymouth, Dorset
Middle
The Vitruvian Triathlon
Triathlon · Exton, Rutland
Middle
Triathlon y Bala
Triathlon · Bala, Gwynedd
Sprint · Standard · Middle
The Brutal Extreme Triathlons
Triathlon · Llanberis, Gwynedd
Standard · Middle · Full
Castle Race Series - Hever Castle
Triathlon · Hever, Kent
Sprint · Standard · Middle
Sandman Triathlon & Duathlon
Triathlon · Newborough, Isle of Anglesey
Sprint · Standard · Middle
Nothing matches those filters. Try a wider area or another month.