- Sun 4 Aug
- £22-£115
- Sun 4 Aug
- £22-£115
Northwood, Hertfordshire, UK
ATW Hertfordshire & Middlesex Triathlon
A choice of multi-sports events including triathlon, relay triathlon, aquabike, aquathlon and duathlon in magnificent grounds including manicured sports fields, lakes, wildlife and greenery.
- Newcomers
- Event village
- Urban
- Public transport links
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquathlon 2
- + 3 more races
- Sat 3 - Sun 4 Aug
Betws-y-Coed, Clwyd, UK
Craft Snowman Triathlon and Duathlon
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Standard duathlon
- Sun 4 Aug
Cambridge, Cambridgeshire, UK
Cambridge Sport Lakes Triathlon
- Sprint triathlon
- Olympic triathlon
- Sun 4 Aug
Knutsford, Cheshire, UK
Boundary Breeze Triathlon and Aquabike
- Sprint triathlon
- Sprint aquabike
- Sun 4 Aug
Maldon, Essex, UK
ATW Big East & Maldon Triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Half Ironman
- Middle aquabike
- Sun 4 Aug
Olney, Buckinghamshire, UK
Cowman Triathlon & Aquabike
- Sprint aquabike
- Standard aquabike
- Middle aquabike
- Sprint triathlon
- Olympic triathlon
- + 1 more race
- Sun 4 Aug
Irvine, North Ayrshire, UK
Irvine Open Water Triathlon
- 750 m lake swimming
- 21.7 km road cycling
- 5 km road running
- Wed 7 Aug
Windsor, Buckinghamshire, UK
Dorney Evening Triathlon
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Wed 7 Aug
Carnforth, Lancashire, UK
Capernwray Sprint Tri / Aqua Series - August
- Super sprint triathlon
- Sprint aquathlon
- Super sprint aquabike
- Sat 10 Aug
Dartford, Kent, UK
Midnight Man
- Sprint triathlon 2
- Olympic triathlon
- Ironman
- Middle aquabike
- Long aquabike
- Sat 10 Aug
Bournemouth, Dorset, UK
Salty Sea Dog Triathlon – August
- Super sprint triathlon
- Sprint triathlon
- Sat 10 Aug
Henley-on-Thames, Buckinghamshire, UK
Conquer The Chilterns Triathlon
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint aquabike
- Standard aquabike
- + 1 more race
- Sun 11 Aug
Hartlepool, County Durham, UK
The Big Lime Multisport Event - Hartlepool
- Sprint triathlon
- Olympic triathlon
- Sea swim 3
- Sun 11 Aug
Saint Neots, Cambridgeshire, UK
ATW St Neots Triathlon - Race 3
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sun 11 Aug
Windsor, Buckinghamshire, UK
Dorney Triathlon and Aquabike
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Wed 14 Aug
Cromhall, Gloucestershire, UK
South West Maritime Triathlon Series - Race 4
- Sprint triathlon
- Sprint duathlon
- Sat 17 Aug
Kirkby Mallory, Leicestershire, UK
ATW Mallory Park Triathlon - 2024 British Sprint Triathlon Championships and 2025 European Championship Qualifier
- Super sprint triathlon
- Sprint triathlon
- Sun 18 Aug
Aberfeldy, Perth and Kinross, UK
Aberfeldy Triathlon & Aqua Bike
- Half Ironman
- Middle aquabike
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