Triathlons in South East
Find triathlons near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 25 May
- £78-£99
- Sun 25 May
- £78-£99
Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 25 May
- £99-£120
- Sun 25 May
- £99-£120
Dorney Standard Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 25 May
- £58
- Sun 25 May
- £58
Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Sun 25 May
- £80
- Sun 25 May
- £80
Dorney Lake Draft-Legal Triathlon
Incorporating Sprint Triathlon 2026 World Championships Qualifier! Dorney Lake Events provides you with an opportunity to race like an elite around this unique and inspiring Olympic venue.
- Newcomers
- Enter online
- Flat
- Event village
- Age 15 & over
- 750 m lake swimming
- 19 km road cycling
- 5 km road running
- Wed 28 May
- £58
- Wed 28 May
- £58
Midweek Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Wed 28 May
- £78
- Wed 28 May
- £78
Midweek Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 7 Jun
- £78-£99
- Sat 7 Jun
- £78-£99
Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 7 Jun
- £99-£120
- Sat 7 Jun
- £99-£120
Dorney Standard Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sat 7 Jun
- £58
- Sat 7 Jun
- £58
Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Sat 7 Jun
- 1 charity
- Sat 7 Jun
- 1 charity
Blenheim Palace Triathlon | Super Sprint Triathlon - Saturday
Discover the World's most stunning Triathlon. Experience stunning scenery, culture and sport at the Blenheim Palace Triathlon taking place in 2025.
- Chip timing
- Enter online
- Traffic free
- Age 16 & over
- 400 m lake swimming
- 13.3 km road cycling
- 2.9 km road running
- Sun 8 Jun
- 1 charity
- Sun 8 Jun
- 1 charity
Eastbourne Triathlon | Novice Super Sprint
The Super Sprint Novice Triathlon is ideal for anyone wanting to try the sport of triathlon for the first time and is an exciting part of the renowned Eastbourne Triathlon weekend.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 15 & over
- 400 m sea swimming
- 9 km road cycling
- 2.4 km road running
- Sun 8 Jun
- Sun 8 Jun
Eastbourne Triathlon | Youth Super Sprint
The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 15-16
- 400 m pool swimming
- 9 km road cycling
- 2.4 km road running
- Sun 8 Jun
- 1 charity
- Sun 8 Jun
- 1 charity
Eastbourne Triathlon | Standard
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The standard circuit enjoys the beach, closed roads and iconic promenade.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 1.5 km pool swimming
- 36.6 km road cycling
- 10 km road running
- Sun 8 Jun
- 1 charity
- Sun 8 Jun
- 1 charity
Eastbourne Triathlon | Sprint
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The sprint circuit enjoys the beach, closed roads and iconic promenade.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 750 m sea swimming
- 18.3 km road cycling
- 5 km road running
- Sun 8 Jun
- 1 charity
- Sun 8 Jun
- 1 charity
Blenheim Palace Triathlon | Sprint Triathlon - Sunday
Discover the World's most stunning Triathlon. Experience stunning scenery, culture and sport at the Blenheim Palace Triathlon taking place in 2025.
- Chip timing
- Enter online
- Traffic free
- Age 16 & over
- 750 m lake swimming
- 19.8 km road cycling
- 5.4 km road running
- Wed 2 Jul
- £58
- Wed 2 Jul
- £58
Midweek Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Wed 2 Jul
- £78
- Wed 2 Jul
- £78
Midweek Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 5 Jul
- £60
- Sat 5 Jul
- £60
FixAddiction Summer Super Sprint Triathlon
A superb summer's day triathlon at the stunning Olympic venue which boasts fast, flat courses with closed roads and ideal swimming conditions. A must for your schedule this year.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 400 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 5 Jul
- £60
- Sat 5 Jul
- £60
FixAddiction Summer Sprint Triathlon
A superb summer's day of triathlon at the stunning Olympic venue which boasts fast, flat courses with closed roads and ideal swimming conditions. A must for your schedule this year.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 750 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 13 Jul
- £78
- Sun 13 Jul
- £78
Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 13 Jul
- £99-£120
- Sun 13 Jul
- £99-£120
Dorney Standard Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 13 Jul
- £58
- Sun 13 Jul
- £58
Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | Full Distance Triathlon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 2.4 miles sea swimming
- 112 miles road cycling
- 26.2 miles trail running
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | Middle Distance Triathlon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sat 9 Aug
- £78-£99
- Sat 9 Aug
- £78-£99
Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running