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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
Fishguard - Multi Sport Festival
The Parrog, Fishguard
Fri 05 Jun 26 - Sat 06 Jun 26
£13.50 - £322.92
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
Chester Triathlon
Chester, Cheshire West and Chester
Sun 07 Jun 26
£95.00 - £225.00
The WMD Triathlon
Weymouth College, Cranford Avenue, Weymouth, DT4 7SW
Sun 14 Jun 26
£85.11 - £207.17
5.0
Plymouth Triathlon
Mount Edgcumbe, Cremyl
Sun 14 Jun 26
£63.60 - £137.80
5.0
Royal Windsor Triathlon
Windsor, Berkshire
Sun 14 Jun 26
£87.00 - £192.00
Slateman Triathlon & Duathlon
Caernarfon, Gwynedd
Sun 14 Jun 26
£94.99 - £419.99
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
ATW Stewartby Lake Triathlon & Aquabike
Stewartby Lake, Green Ln, Bedford MK43 9LY
Sun 21 Jun 26
£67.84 - £124.02
Long Course Weekend Wales
Tenby, Dyfed
Fri 26 Jun 26 - Sun 28 Jun 26
£13.50 - £431.99
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
ATW Triathlon - Mallory Park - June
Mallory Park Circuit, Church Road, Kirkby Mallory, Leicestershire, LE9 7QE
Sat 27 Jun 26 - Sun 28 Jun 26
£19.08 - £99.64
ATW Children’s Triathlon Mallory Park - June
Mallory Park Circuit, Church Road, Kirkby Mallory, Leicestershire, LE9 7QE
Sat 27 Jun 26
£19.08 - £30.74
Race The Sun Jurassic Coast Off-Road
Swanage, Dorset
Sat 27 Jun 26
£60.00 - £120.00
On Sale
WILD HORSE BREWING CO. LLANDUDNO TRIATHLON & DUATHLON 2026
Llandudno, Gwynedd
Sun 28 Jun 26
£96.99 - £141.99
Dorney Lake Evening Triathlon - July
Windsor, Berkshire
Wed 01 Jul 26
£60.00 - £80.00
5.0
Cheltenham Lido Triathlon & Aquathlon 2026
Cheltenham, Gloucestershire
Sat 04 Jul 26
£39.00 - £69.00
English Riviera Triathlon
The Kings Drive, Torquay, Devon, TQ2 5JE
Sun 05 Jul 26
£38.16 - £84.80
The Bridge Triathlon
The Bridge, Dartford, DA1 5PR
Sun 05 Jul 26
£47.26 - £94.32
ATW Odyssey At Box End Triathlon
Box End Lakes,Box End Rd, Bedford MK43 8RN
Sun 05 Jul 26
£68.90 - £169.60
2026 - Upton Tri + Duathlon
Worcester, Worcestershire
Sat 11 Jul 26
£50.00 - £85.00
Race The Sun Cheddar Gorge
Cheddar, Somerset
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
ATW Bristol Triathlon
Brunel Lock Rd, Cumberland Basin, Bristol,
Sun 12 Jul 26
£68.90 - £121.90
Castle To Coast Triathlon
Dorney Lake,
Sat 18 Jul 26
£265.00 - £293.00
Marlow Triathlon
Marlow, Buckinghamshire
Sun 19 Jul 26
£72.00 - £152.00
The Bridge Childrens Triathlon
Dartford Bridge
Sun 19 Jul 26
£27.39 - £36.81
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
ATW Mallory Park Triathlon - Incorporating the 2027 European Age Group Championship Sprint Triathlon Qualifier.
Mallory Park Circuit, Church Road, Kirkby Mallory, Leicestershire, LE9 7QE
Sat 01 Aug 26
£63.60 - £90.10
Bridge August 2nd Triathlon
Dartford, Kent
Sun 02 Aug 26
£68.17
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
£73.14 - £249.60
Showing 1-40 of 43 results