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Triathlons Found In Summer 2025

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Triathlons In Summer 2025

The most comprehensive list of Triathlons in Summer 2025. Discover, compare and book the best Summer 2025 Triathlons near you!

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Race Calendar: Triathlons Summer 2025

ATW Grafman Middle Distance Triathlon

Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambs, PE28 0BH
01 Jun 25
£153.70 - £197.16
5.0

Pendle Pool Triathlon powered by Fort Vale

West Craven Sports Centre, Kelbrook Rd, Barnoldswick BB18 5TB
01 Jun 25
Free - £40.00

Henley Triathlon 2025

Henley-on-Thames, Oxfordshire
01 Jun 25
£89.00 - £99.00

Uppingham Pool Triathlon

Oakham, Leicestershire
01 Jun 25
£20.00 - £60.00

Dorney Triathlon- June 2025

Windsor, Berkshire
07 Jun 25
£60.00 - £101.00
4.6

The WMD TRIATHLON

Weymouth College, Cranford Avenue, Weymouth, DT4 7SW
08 Jun 25
£63.88 - £132.88
5.0

Slateman Triathlon & Duathlon

Caernarfon, Gwynedd
08 Jun 25
£85.99 - £399.99

Dartmouth Triathlon

Blackpool Sands Beach
08 Jun 25
£51.94 - £79.50
4.8

Eastbourne Triathlon

Eastbourne, East Sussex
08 Jun 25
£15.00 - £160.00
4.5

Alderford Triathlon 2025

Whitchurch, Shropshire
15 Jun 25
£99.00 - £119.00
5.0

Plymouth Triathlon

Mount Edgcumbe, Cremyl
15 Jun 25
£25.44 - £127.20

ATW Stewartby Lake Triathlon & Aquabike

Stewartby Lake, Green Ln, Bedford MK43 9LY
15 Jun 25
£72.08 - £127.20

The One for the Planet powered by Climategames

Windsor
15 Jun 25
£25.00 - £75.00

Menai Holidays ABERSOCH Triathlon

Abersoch, Gwynedd
21 Jun 25
£85.00 - £90.00

Darwen Triathlon, Aquathlon & Runs

Darwen, Lancashire
22 Jun 25
£24.00 - £67.00
4.0

The Cardiff Triathlon & Duathlon

Cardiff
22 Jun 25
£78.99 - £229.99

UK Ultimate Triathlon 2025

Ellesmere, Shropshire
29 Jun 25
£105.00 - £349.00
5.0

English Riviera Triathlon

The Kings Drive, Torquay, Devon, TQ2 5JE
29 Jun 25
£31.80 - £79.50

Thorpe Park Sprint Triathlon

Chertsey, Surrey
29 Jun 25
£67.00 - £322.00

The Northumbrian Full & Half Iron-Distance Triathlon

Hexham, Northumberland
29 Jun 25
£215.00 - £350.00
5.0

Dorney Evening Triathlon

Windsor, Buckinghamshire
02 Jul 25
£60.00 - £80.00
5.0

ATW Odyssey Triathlon

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
05 Jul 25
£137.80 - £286.20

The FixAddiction Triathlon

Windsor, Buckinghamshire
05 Jul 25
£60.00

ATW St Neots Triathlon - Race 2

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
06 Jul 25
£61.48 - £127.20

ATW Bristol Triathlon

Brunel Lock Rd, Cumberland Basin, Bristol,
06 Jul 25
£79.50 - £132.50

Conquer The Chilterns Triathlon

Henley-on-Thames, Oxfordshire
12 Jul 25
£68.00 - £108.00

Upton Tri + Duathlon

Worcester, Worcestershire
12 Jul 25
£50.00 - £85.00

Dorney Triathlon

Windsor, Berkshire
13 Jul 25
£60.00 - £101.00
4.6

Birmingham Triathlon 2025

Sutton Coldfield, West Midlands
19 Jul 25
£99.00 - £119.00

Guildford Triathlon & Kids Aquathlon

Guildford, Surrey
20 Jul 25
£27.00 - £52.00

Bedford Team Triathlon Relays

Bedford
20 Jul 25
£183.00

TriBourne Festival of Endurance

Eastbourne, East Sussex
20 Jul 25
£45.00 - £396.00

Snowman Duathlon & Triathlon

Betws-y-Coed, Conwy Principal Area
03 Aug 25
£69.99 - £224.99

Dorney Triathlon

Windsor, Berkshire
09 Aug 25
£60.00 - £101.00
4.6

ATW St Neots Triathlon - Race3

Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7AB
10 Aug 25
£61.48 - £127.20

ATW Oundle Children’s Triathlon

Oundle School, Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
17 Aug 25
£22.26 - £30.74

York Triathlon 2025

York
17 Aug 25
£89.00 - £99.00
4.9

ATW Oundle Triathlon

Oundle School Swimming Pool, Milton Road, Oundle, Northamptonshire, PE8 4AQ
17 Aug 25
£61.48 - £104.94
4.8

Dorney Evening Triathlon

Windsor, Buckinghamshire
27 Aug 25
£60.00 - £80.00
5.0

ROADFORD LAKE TRIATHLON AUTUMN

Roadford Lake, Broadwoodwidger, Lifton, PL16 0RL
31 Aug 25
£55.12 - £233.20
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