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Triathlons Found In Summer 2026

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Triathlons In Summer 2026

The most comprehensive list of Triathlons in Summer 2026. Discover, compare and book the best Summer 2026 Triathlons near you!

Find A Race is the UK's most popular event listings website, with over 3 million users a year using our database of over 2,500 events to discover, compare and book their next challenge.

Popular & Featured

July

Race Calendar: Triathlons Summer 2026

One on the River - Henley - July

Henley-on-Thames, Oxfordshire
Sun 26 Jul 26
£26.68 - £117.42

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

Sri Chinmoy TRY A TRI beginner's triathlon 2026

Bristol, Avon
Sun 02 Aug 26
£20.00

Dorney Lake Triathlon August

Windsor, Berkshire
Sat 08 Aug 26
£60.00 - £122.00
4.6

ATW St Neots Triathlon - Race 2

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£71.02 - £126.14

ATW Odyssey Triathlon

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£153.70 - £302.10

ATW First To Full Triathlon Festival

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
Sat 08 Aug 26
£59.36 - £302.10

London T100 Triathlon 2026

London
Sun 09 Aug 26 - Mon 10 Aug 26
£78.00 - £438.00

ATW Oundle Children’s Triathlon

Oundle School, Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
Sun 16 Aug 26
£23.32 - £32.86

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

ATW Oundle Triathlon

Oundle School Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
Sun 16 Aug 26
£59.36 - £102.82
4.8

Thorpe Park Sprint Triathlon

Chertsey, Surrey
Sun 23 Aug 26
£87.00
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 - £270.40

Staffordshire Endurance Festival

Walsall, West Midlands
Sun 14 Jun 26
£32.00 - £182.00

Bedford Team Triathlon Relays

Bedford
Sun 19 Jul 26
£183.00
Showing 41-58 of 58 results
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