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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
English Riviera Triathlon
The Kings Drive, Torquay, Devon, TQ2 5JE
Sun 05 Jul 26
£38.16 - £95.40
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
£73.14 - £196.10
2026 - Upton Tri + Duathlon
Worcester, Worcestershire
Sat 11 Jul 26
£65.00 - £90.00
Dorney Lake Triathlon - July
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 12 Jul 26
£61.48 - £127.20
4.7
ATW Bristol Triathlon
Brunel Lock Rd, Cumberland Basin, Bristol,
Sun 12 Jul 26
£79.50 - £137.80
The One on the River - Marlow Summer Triathlon
Marlow, Buckinghamshire
Sun 12 Jul 26
£26.68 - £117.42
Belvoir Castle Triathlon & Mulitsport
Grantham, Belvoir, Leicestershire
Sat 18 Jul 26 - Sun 19 Jul 26
£37.63 - £260.93
5.0
Castle To Coast Triathlon
Dorney Lake,
Sat 18 Jul 26
£270.00 - £295.00
Marlow Triathlon
Marlow, Buckinghamshire
Sun 19 Jul 26
£72.00 - £152.00
Frome Triathlon 2026
Frome, Somerset
Sun 19 Jul 26
£55.00 - £90.00
On The Edge & Compton Verney Triathlons
Warwick, Warwickshire
Sun 19 Jul 26
£75.00 - £191.00
Eton Dorney Family Triathlon
Dorney Lake, Court Lane, Windsor, SL4 6QP
Sun 19 Jul 26
£39.98 - £93.62
Dorney Lake Triathlon 26th July
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 26 Jul 26
£61.48 - £127.20
4.7
Guildford Triathlon & Kids Races
Guildford, Surrey
Sun 26 Jul 26
£27.00 - £67.00
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 - £95.40
Cowman Triathlon
Olney, Buckinghamshire
Sun 02 Aug 26
£68.00 - £141.50
5.0
Sri Chinmoy TRY A TRI beginner's triathlon 2026
Bristol, Avon
Sun 02 Aug 26
£20.00
The Bridge Childrens Triathlon
Dartford Bridge
Sun 02 Aug 26
£27.39 - £36.81
Dorney Lake Triathlon August
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sat 08 Aug 26
£61.48 - £127.20
4.7
ATW St Neots Triathlon - Race 2
Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£73.14 - £127.20
ATW Odyssey Triathlon
Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£174.90 - £371.00
ATW First To Full Triathlon Festival
Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£59.36 - £371.00
ATW Oundle Children’s Triathlon
Oundle School, Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
Sun 16 Aug 26
£33.92 - £41.34
York Triathlon 2026
York
Sun 16 Aug 26
£89.00 - £99.00
4.9
The Bedford Triathlon
Bedford, Bedfordshire
Sun 16 Aug 26
£60.00 - £100.00
5.0
ATW Oundle Triathlon
Oundle School Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
Sun 16 Aug 26
£62.54 - £104.94
4.8
Thorpe Park Sprint Triathlon
Chertsey, Surrey
Sun 23 Aug 26
£87.00
5.0
Bishopton Triathlon
Bishopton lake, Stockton-on-Tees TS21 1EY
Sun 23 Aug 26
£55.93 - £85.11
Dorney Lake Evening Triathlon - August
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Wed 26 Aug 26
£61.48 - £82.68
5.0
Dorney Lake Triathlon August
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 30 Aug 26
£61.48 - £127.20
4.7
Wimbleball Lake Triathlon
Wimbleball Lake, near Dulverton, Somerset, TA22 9NU
Sun 30 Aug 26
£73.14 - £270.40
The FixAddiction Triathlon
Windsor, Buckinghamshire
Sat 04 Jul 26
£60.00
5.0
Cheltenham Lido Triathlon & Aquathlon 2026
Cheltenham, Gloucestershire
Sat 04 Jul 26
£39.00 - £69.00
Birmingham Triathlon 2026
Sutton Coldfield, West Midlands
Sat 11 Jul 26
£99.00 - £119.00
Race The Sun Cheddar Gorge
Cheddar, Somerset
Sat 11 Jul 26
£60.00 - £120.00
On Sale
Eastbourne Triathlon and Multisport Festival
Eastbourne, East Sussex
Sun 12 Jul 26
£17.00 - £259.00
Bedford Team Triathlon Relays
Bedford
Sun 19 Jul 26
£183.00
London T100 Triathlon 2026
London
Sat 25 Jul 26 - Sun 26 Jul 26
£88.00 - £488.00
Showing 1-39 of 39 results