Sprint triathlons in the UK
Half the Olympic distance but still a formidable challenge in itself, a sprint distance triathlon features a 750m swim, 20K bike ride and a 5K run. These popular events are often mass participation and attract hundreds of entrants, creating a brilliant atmosphere. Select your location for sprint triathlons in your area or scroll down to see events coming up.
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Sprint triathlons in 2025
Featured events are listed below - select a month/region or the map view to see all events.


- Sun 15 Jun
- £55
Plymouth Triathlon | Sprint
Previously known as Mount Edgcumbe Triathlon, triathletes of all abilities can experience a truly exceptional coastal venue, finishers medal, t-shirt and memorable day out at a fantastic event.
- 750 m sea swimming
- 20 km road cycling
- 5 km trail running

- Sun 15 Jun
- £78-£99
ATW Stewartby Lake Sprint Triathlon
Located at the Stewartby Sailing Club this venue is perfect for a Sprint Triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sat 21 - Sun 22 Jun
- £35-£295
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Relay triathlon 2
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- + 15 more races

- Sun 22 Jun
- £103.99-£123.99
- Entries close soon
Cardiff Sprint Triathlon
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
- 750 m lake swimming
- 20 km road cycling + 239 ft ascent
- 4.7 km road running + 78 ft ascent

- Sun 29 Jun
- £64
English Riviera Triathlon | Sprint
Start with a great sea swim in warm waters then on to the bikes for a closed road and flat bike leg. Finally there's a run with views of the sea. Torre Abbey Sands has excellent water quality.
- 750 m sea swimming
- 20 km road cycling
- 5 km road running

- Sun 29 Jun
- £78-£98
ATW Sprint Triathlon | Mallory Park
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Sprint Tri.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- 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.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 6 Jul
- £85
ATW Bristol Triathlon | Sprint Triathlon
ATW presents the Bristol Sprint Triathlon, one of the UK's most-popular 'closed-road' triathlon events, in a vibrant city known for its culture, creativity and green spaces.
- 750 m river swimming
- 22 km road cycling
- 5 km road running

- Sun 6 Jul
- £78
ATW St Neots Sprint Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
- 750 m river swimming
- 24 km road cycling
- 5 km road running

- 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.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 13 Jul
- £67-£80
Ripon Triathlon Festival | Sprint Triathlon
Fun, flat and brilliant for every ability. A shorter, more accessible format of the sport, making it an excellent entry point for beginners and a fast-paced challenge for experienced athletes.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sat 19 - Sun 20 Jul
- £35-£295
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races

- Sun 20 Jul
- £55
Clevedon Triathlon
An amazing celebration weekend of swim-bike-run using the magnificent Marine Lake with the glorious Victorian Clevedon Pier as the backdrop, sea views, promenade and top reviews!
- 750 m lake swimming
- 20 km road cycling
- 5 km multi terrain running

- Sun 27 Jul
- FREE-£99
Dorney Triathlon | July | Sprint Triathlon
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 3 Aug
- £89.99-£114.99
Craft Snowman Sprint Triathlon
Awarded the Event of the year (2021) in the Welsh Triathlon Awards, The Craft Snowman is well known as the toughest multi-terrain triathlon in the UK. It is not for the faint-hearted.
- 750 m lake swimming
- 27.1 km road cycling + 371 m ascent
- 6.3 km multi terrain running + 1446 ft ascent

- 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.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 10 Aug
- £78
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
- 750 m river swimming
- 24 km road cycling
- 5 km road running

- Sun 17 Aug
- £78-£99
ATW Oundle Sprint Distance Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- 600 m pool swimming
- 25 km road cycling
- 5 km trail running

- Wed 27 Aug
- £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.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 31 Aug
- £49
HSV Sprint Triathlon
This is a great race for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
- 400 m pool swimming
- 20 km road cycling
- 5 km road running

- Sun 31 Aug
- £68-£75
Roadford Lake Triathlon Autumn | Sprint
Now twice-yearly due to popularity, the Sprint Tri is a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running

- Sat 13 Sep
- £78
ATW Grafham Sprint Triathlon
Athletes of all levels are guaranteed to enjoy the Sprint Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
- 750 m lake swimming
- 17 km road cycling
- 5 km road running

- Sun 14 Sep
- £73-£98
Aviemore Triathlon
Escape to the Cairngorms for an adventure triathlon in the scenic waters of Loch Morlich, then mountain biking and trail running in Glenmore Forest. Go Short Fast Durty or Long Hard Durty.
- Sprint triathlon
- Olympic triathlon

- Sun 14 Sep
- £59.50-£74.50
Woking Autumn Triathlon & Junior Aquathlon | Sprint Triathlon
Book Your Spot for the Woking Sprint Triathlon! Join one of the most popular triathlons in the area, where athletes return year after year!
- 400 m pool swimming
- 20.6 km road cycling
- 5 km trail running

- Sun 21 Sep
- £56
Dawlish Triathlon | Sprint
Start with a sea swim then it’s onto the bikes for two laps of a relatively sheltered and flat bike circuit. Then take in the coast path for some stunning views as you approach the finish line.
- 750 m sea swimming
- 24 km road cycling
- 5 km road running

- Sun 21 Sep
- £72-£87
Eton Dorney Sprint Triathlon
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Sprint triathletes to enjoy in an exclusive setting.
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running

- Sun 21 Sep
- £78-£99
ATW Big East & Maldon Sprint Triathlon
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
- 750 m river swimming
- 25 km road cycling
- 5 km trail running

- Sat 27 - Sun 28 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races

- Sat 27 Sep
- £78-£99
Dorney Triathlon | September | Sprint Triathlon
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 28 Sep
- £65
Salcombe Brewery Co Sprint Triathlon
Taking place from the wonderful North Sands, put your endurance to the test with a sociable and challenging seaside triathlon, to finish with a Salcombe Sprint Triathlon medal!
- 700 m sea swimming
- 19 km road cycling
- 3 km trail running

- Sun 28 Sep
- £73-£98
Craggy Island Triathlon | Sunday
An award-winning triathlon on the incredible, unspoilt Hebridean Island of Kerrera, off Scotland's stunning west coast with the accessible marina and its facilities as the main hub.
- 600 m sea swimming
- 16 km mountain biking + 362 m ascent
- 8.5 km trail running + 234 m ascent

- Sun 5 Oct
- £48
Torbay Triathlon Autumn | Sprint
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- 400 m pool swimming
- 19.5 km road cycling
- 5 km road running

- Sun 12 Oct
- £55
Minehead Triathlon
An award-winning coastal triathlon set among the safety of the sandy bay, featuring a fast bike route with Exmoor as the backdrop and a promenade run with beach finale!
- 750 m sea swimming
- 20 km road cycling
- 5 km multi terrain running

- Mon 4 May 2026
- £46
Tavistock Triathlon | Sprint
Tavistock Triathlon is for all ages and abilities using the amazing Olympic legacy 50m pool at Mount Kelly with quiet rolling roads for the bike and the disused railway line for the run. What a venue!
- 400 m pool swimming
- 18 km road cycling
- 5 km road running

- Sun 17 May 2026
- £68
Roadford Lake Triathlon | Sprint
This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- 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.
- 750 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 6 Jul
- £70-£100
Croyde Ocean Sprint Triathlon
This stunning but less savage Sprint Tri takes in all the awesome views and winding hilly Devon roads you have come to expect from the award-winning Croyde Ocean Triathlon!
- 750 m sea swimming
- 18.5 km road cycling
- 5.5 km trail running
Sprint triathlons near you
Select your location for sprint triathlons in your area.