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Olympic Distance Triathlons Found In Summer 2025

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Olympic Distance Triathlons In Summer 2025

The most comprehensive list of Olympic Distance Triathlons in Summer 2025. Discover, compare and book the best Summer 2025 Olympic (aka Standard) Distance Triathlons near you!

Find A Race is the UK's most popular event listings website, with over 1 millions users a year using our database of over 2,500 events to discover, compare and book their next challenge.

Popular & Featured

July

Race Calendar: Olympic Distance Triathlons Summer 2025

Dorney Evening Triathlon

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

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

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

The One on the River - Marlow

Marlow, Buckinghamshire
13 Jul 25
£25.00 - £110.00
5.0

Birmingham Triathlon 2025

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

Belvoir Castle Triathlon & Mulitsport

Grantham, Belvoir, Leicestershire
19 Jul 25 - 20 Jul 25
£35.00 - £245.00
5.0

Offer

10% OFF

Dorney Triathlon

Windsor, Berkshire
27 Jul 25
£60.00 - £122.00
4.6

Bishopton Triathlon

Bishopton lake, Stockton-on-Tees TS21 1EY
03 Aug 25
£47.97 - £85.11

Cowman Triathlon

Olney, Buckinghamshire
03 Aug 25
£63.00 - £136.50

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

London T100 Triathlon 2025

London
09 Aug 25 - 10 Aug 25
£78.00 - £420.00

Dorney Evening Triathlon

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

Shropshire Triathlon 2025

Ellesmere, Shropshire
31 Aug 25
£99.00 - £219.00

Brighton and Hove Triathlon

Hove, East Sussex
31 Aug 25
£21.00 - £169.00
5.0

ROADFORD LAKE TRIATHLON AUTUMN

Roadford Lake, Broadwoodwidger, Lifton, PL16 0RL
31 Aug 25
£60.42 - £296.80

Belvoir Castle Triathlon - Multi Sport Weekend

Grantham, Lincolnshire
31 Aug 25
£55.00 - £155.00
4.0
Showing 1-19 of 19 results

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