14

Sprint triathlons in September 2025

Find sprint triathlons in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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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.
  • Sun 21 Sep
  • £56
Dawlish, Devon, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • Age 15 & over
  • 750 m sea swimming
  • 24 km road cycling + 708 ft ascent
  • 5 km road running + 116 ft ascent
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.
  • Sun 21 Sep
  • £72-£87
Windsor, Buckinghamshire, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km trail running
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.
  • Sun 21 Sep
  • £78-£99
Maldon, Essex, UK

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.

  • Enter online
  • Undulating
  • Age 15 & over
  • 750 m river swimming
  • 25 km road cycling + 230 ft ascent
  • 5 km trail running + 43 ft ascent
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.
  • Sat 27 Sep
  • £78-£99
Windsor, Buckinghamshire, UK

Dorney Triathlon | September | Sprint

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.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
Get active in the award-winning grounds and surrounding Kent countryside in the a Sprint Plus Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £115-£155
Edenbridge, Kent, UK

Hever Castle | Sprint Plus Triathlon

Get active in the award-winning grounds and surrounding Kent countryside in the a Sprint Plus Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 800 m lake swimming
  • 40 km road cycling
  • 8 km road running
Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 Sep
  • £100-£150
Edenbridge, Kent, UK

Hever Castle | Sprint Triathlon

Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 750 m lake swimming
  • 20 km road cycling + 819 ft ascent
  • 5 km road running
Entries closed
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.
  • Sat 27 Sep
  • £73-£98
Oban, Argyll and Bute, UK

Craggy Island Triathlon | Saturday

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.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 600 m sea swimming
  • 16 km mountain biking + 362 m ascent
  • 8.5 km trail running + 234 m ascent
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!
  • Sun 28 Sep
  • £65
Salcombe, Devon, UK

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!

  • Newcomers
  • Enter online
  • Event village
  • Coast
  • Fundraising optional
  • Age 18 & over
  • 700 m sea swimming
  • 19 km road cycling + 400 m ascent
  • 3 km trail running + 90 m ascent
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.
  • Sun 28 Sep
  • £73-£98
Oban, Argyll and Bute, UK

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.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 600 m sea swimming
  • 16 km mountain biking + 362 m ascent
  • 8.5 km trail running + 234 m ascent
  • Sun 21 Sep
Sudbury, Suffolk, UK

Sudbury Triathlon | Sprint Triathlon

  • 400 m pool swimming
  • 23 km road cycling
  • 5 km trail running
  • Sun 21 Sep
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Superfeet Sandman Triathlon and Duathlon | Sprint Triathlon

  • 750 m sea swimming
  • 22.9 km road cycling + 610 ft ascent
  • 5.4 km multi terrain running + 144 ft ascent
  • Sun 21 Sep
Henley-on-Thames, Buckinghamshire, UK

The One on the River | Henley | Sprint Triathlon

  • 750 m river swimming
  • 30 km road cycling
  • 5 km trail running
  • Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK

Warwickshire Triathlon | Sprint and Relay

  • 400 m pool swimming
  • 18 km road cycling
  • 5 km road running
  • Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK

Warwickshire Triathlon | Fun

  • 200 m pool swimming
  • 18 km road cycling
  • 2.5 km road running

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