Find triathlons in and around South East - filter events by date, display on a map or use the advanced search to find your perfect race.
Full and middle distance triathlons on the Sunshine Coast where athletes of all abilities can experience the beauty of the South Downs, starting with a spectacular jump from the historic pier!
Ready for a serious challenge? Middle to ultra distance triathlon, duathlon, aquabike, aquathlon, swim and run events based at Hever Castle itself with routes into Ashdown Forest and the South Downs.
This is a beautiful open water race series of 2 events suitable for novices, age group and elite athletes looking for 400m, 750m distances to practice.
Take on a Sprint or Super Sprint distance triathlon around Dorney Lake in 2023 and take the opportunity to race around this unique and inspiring Olympic venue!
Take on a Sprint or Super Sprint distance triathlon around Dorney Lake in 2023 and take the opportunity to race around this unique and inspiring Olympic venue!
The One on The River takes place across the scenic Thames Valley area.
Take on a Sprint triathlon or Aquathlon around Guildford in 2023 and take the opportunity to race around this unique venue!
Triathlon, isn't that a sport for olympians that requires super human fitness and expensive gear?
The 7th Bridge Children’s Triathlon will take place in 2023.
Welcome to the award-winning KidstriUK Billingshurst Triathlon which is an encouraging way for young people to try the sport out for the first time!
Take on a Sprint or Standard distance triathlon around Dorney Lake in 2023 and take the opportunity to race around this unique and inspiring Olympic venue!
The Henley UK Kids Fun Triathlon is now in its 11th year and held within the grounds of Henley Leisure Centre & Gillotts School,
Join UK Triathlon for the 14th year of this popular event taking place at Henley Leisure Centre and within the grounds of Gillotts School.
Eton Dorney Family Triathlon sees the return of junior racing to Dorney Lake alongside one and only sprint triathlon event at the venue.
The Banana Triathlon is in the middle of our three event series, welcoming triathletes to Dorney Lake every summer.
The Banana Triathlon is in the middle of our three event series, welcoming triathletes to Dorney Lake every summer.
The Banana Triathlon is in the middle of our three event series, welcoming triathletes to Dorney Lake every summer.
The Oxfordshire Triathlon Series for 2023 will consist of 2 races spread across the summer, July and August.
Join RunThrough Events for the Brand New Thorpe Park Sprint Triathlon in 2023
Get involved in this superb summer triathlon. Enjoy a great day out and make sure you bring your sunscreen!
This is a very unique sprint distance event consisting of a 500m sea swim followed by a 20km cycle and finishing with a stunning yet flat 5km coastal run.
An Epic Point To Point Adventure