Sprint triathlons in UK in September 2025
Find sprint triathlons near me in UK in September 2025 - 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.
- Sat 13 Sep
- £73
- Sat 13 Sep
- £73
ATW Grafham Sprint Triathlon
Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 750 m lake swimming
- 17 km road cycling
- 5 km road running
- Sun 14 Sep
- £83-£98
- Sun 14 Sep
- £83-£98
Aviemore Triathlon | Long Hard Durty
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
- Chip timing
- Enter online
- Hilly
- Age 15 & over
- 1000 m lake swimming
- 18 km mountain biking
- 9 km trail running
- Sun 14 Sep
- £73-£88
- Sun 14 Sep
- £73-£88
Aviemore Triathlon | Short Fast Durty
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
- Chip timing
- Enter online
- Age 15 & over
- 500 m lake swimming
- 12 km mountain biking
- 5 km trail running
- Sun 21 Sep
- £56
- 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.
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 750 m sea swimming
- 24 km road cycling
- 5 km road running
- Sun 21 Sep
- £72-£87
- 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.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running
- Sun 21 Sep
- £73-£94
- Sun 21 Sep
- £73-£94
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
- 5 km trail running
- Sat 27 Sep
- £78-£99
- 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.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 28 Sep
- £65
- 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!
- Newcomers
- Enter online
- Event village
- Coast
- Fundraising optional
- Age 18 & over
- 700 m sea swimming
- 19 km road cycling
- 3 km trail running
- Wed 10 Sep
South West Maritime Triathlon Series - Race 5 | Sprint Triathlon
- 750 m lake swimming
- 18 km road cycling
- 5 km road running
- Sun 14 Sep
North West Triathlon | Sprint and Relay
- 500 m pool swimming
- 21 km road cycling
- 5 km trail running
- Sun 14 Sep
North West Triathlon | Fun
- 200 m pool swimming
- 21 km road cycling
- 2.5 km trail running
- Sun 28 Sep
Warwickshire Triathlon | Sprint and Relay
- 400 m pool swimming
- 18 km road cycling
- 5 km road running
- Sun 28 Sep
Warwickshire Triathlon | Fun
- 200 m pool swimming
- 18 km road cycling
- 2.5 km road running