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Triathlons Found In Summer 2026
View all ↓Triathlons In Summer 2026
The most comprehensive list of Triathlons in Summer 2026. Discover, compare and book the best Summer 2026 Triathlons near you!
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Race Calendar: Triathlons Summer 2026
Dorney Lake Triathlon - June
Windsor, Berkshire
Sat 06 Jun 26
£60.00 - £122.00
4.6
ATW Grafman Middle Distance Triathlon
Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambs, PE28 0BH
Sun 07 Jun 26
£148.40 - £190.80
5.0
Dartmouth Triathlon
Blackpool Sands Beach
Sun 07 Jun 26
£68.90 - £95.40
4.8
Race The Sun Lake District Off-Road
Coniston, Cumbria
Sat 13 Jun 26
£60.00 - £120.00
On Sale
Plymouth Triathlon
Mount Edgcumbe, Cremyl
Sun 14 Jun 26
£53.00 - £127.20
5.0
Royal Windsor Triathlon
Windsor, Berkshire
Sun 14 Jun 26
£87.00 - £192.00
Staffordshire Endurance Festival
Walsall, West Midlands
Sun 14 Jun 26
£32.00 - £182.00
Bowood House Triathlon
Calne, Wiltshire
Sat 20 Jun 26
£37.00 - £87.00
Southend Triathlon
Car park area of Uncle Toms Cabin, Shoebury Common Road, Southend-on-Sea, SS3 9HG
Sun 21 Jun 26
£79.81 - £116.95
The Northumbrian Full & Half Iron-Distance Triathlon & Trails Runs
Hexham, Northumberland
Sat 27 Jun 26 - Sun 28 Jun 26
£40.00 - £350.00
5.0
Race The Sun Jurassic Coast Off-Road
Coniston, Cumbria
Sat 27 Jun 26
£60.00 - £120.00
On Sale
Dorney Lake Evening Triathlon - July
Windsor, Berkshire
Wed 01 Jul 26
£60.00 - £80.00
5.0
English Riviera Triathlon
The Kings Drive, Torquay, Devon, TQ2 5JE
Sun 05 Jul 26
£38.16 - £79.50
North Wales Triathlon & Aquathlon
Mold, Clwyd
Sun 05 Jul 26
£30.00 - £57.00
2026 - Upton Tri + Duathlon
Worcester, Worcestershire
Sat 11 Jul 26
£50.00 - £85.00
Race The Sun Cheddar Gorge
Coniston, Cumbria
Sat 11 Jul 26
£60.00 - £120.00
On Sale
Dorney Lake Triathlon - July
Windsor, Berkshire
Sun 12 Jul 26
£60.00 - £122.00
4.6
Eastbourne Triathlon and Multisport Festival
Eastbourne, East Sussex
Sun 12 Jul 26
£17.00 - £259.00
Marlow Triathlon
Marlow, Buckinghamshire
Sun 19 Jul 26
£72.00 - £152.00
On The Edge & Compton Verney Triathlons
Warwick, Warwickshire
Sun 19 Jul 26
£75.00 - £191.00
Dorney Lake Triathlon 26th July
Windsor, Berkshire
Sun 26 Jul 26
£60.00 - £122.00
4.6
Dorney Lake Triathlon August
Windsor, Berkshire
Sat 08 Aug 26
£60.00 - £122.00
4.6
York Triathlon 2026
York
Sun 16 Aug 26
£89.00 - £99.00
4.9
The Bedford Triathlon
Bedford, Bedfordshire
Sun 16 Aug 26
£54.00 - £90.00
5.0
Dorney Lake Evening Triathlon - August
Windsor, Berkshire
Wed 26 Aug 26
£60.00 - £80.00
5.0
Wimbleball Lake Triathlon
Wimbleball Lake, near Dulverton, Somerset, TA22 9NU
Sun 30 Aug 26
£62.54 - £228.80
Bedford Team Triathlon Relays
Bedford
Sun 19 Jul 26
£183.00
Showing 1-27 of 27 results